What are the 3 main air pollutants?

Particulate matter (PM10 and PM2. 5) Ozone (O3) Nitrogen dioxide (NO2)

What are 3 of the main pollutants in the air that cause problems?

A number of air pollutants pose severe health risks and can sometimes be fatal even in small amounts. Almost 200 of them are regulated by law; some of the most common are mercury, lead, dioxins, and benzene.2021-06-22

What is the largest contributor to air pollution in the world?

Burning Fossil Fuels

What is the most major cause of pollution?

Burning Fossil Fuels The biggest contributors of air pollution are from industry sources and power plants to generate power, as well as fossil fuel motor vehicles. The continuous burning of fossil fuels releases air pollutants, emissions and chemicals into the air and atmosphere.2021-08-06

What are the 3 biggest contributors to air pollution?

There are four main types of air pollution sources: mobile sources such as cars, buses, planes, trucks, and trains. stationary sources such as power plants, oil refineries, industrial facilities, and factories. area sources such as agricultural areas, cities, and wood burning fireplaces.2018-01-17

What are the top causes of air pollution?

The biggest contributors of air pollution are from industry sources and power plants to generate power, as well as fossil fuel motor vehicles. The continuous burning of fossil fuels releases air pollutants, emissions and chemicals into the air and atmosphere.2021-08-06

How did Beijing improve air quality?

Taken measures to strengthen the comprehensive control of air pollution in industrial enterprises. Promoted the control of bulk coal and the reduction and replacement of coal consumption. Carried out special rectification of the emissions of diesel trucks exceeding the national standards.

What is being done about China’s air pollution?

China Air Pollution Solutions The government prohibited new coal-fired power plants and shut down a number of old plants in the most polluted regions including city clusters of Beijing-Tianjin-Hebei and the Pearl and Yangtze Deltas.2021-07-30

What are 3 causes of air pollution in China?

The causes of Beijing’s widespread air pollution can be attributed to a number of factors: an enormous economic boom, a surge in the number of motorized vehicles, population growth, output from manufacturing, and natural reasons which include the city’s surrounding topography and seasonal weather.

What are the main effects of air pollution?

Long-term health effects from air pollution include heart disease, lung cancer, and respiratory diseases such as emphysema. Air pollution can also cause long-term damage to people’s nerves, brain, kidneys, liver, and other organs. Some scientists suspect air pollutants cause birth defects.2011-04-04

What are 3 ways China is trying to improve its air quality?

Reduce air pollution emissions through pollution abatement measures including installing equipment to remove particulate matter, flue gas desulfurization, and denitrification, replacing coal with natural gas, and expanding clean energy vehicles.2020-06-21

What are some of the effects of air pollution in India and China?

India and China are among the worst hit Sustained exposure to high levels of PM 2.5 can cause respiratory diseases like bronchitis, asthma and inflammation of the lungs, and even heart attacks and strokes.2017-10-25

What are the effects of air pollution in India?

Exposure to PM 2.5 can cause such deadly illnesses as lung cancer, stroke, and heart disease. Ambient and indoor air pollution is estimated to have caused 1.7 million premature deaths in India in 2019. The health impacts of pollution also represent a heavy cost to the economy.2021-08-27

What are the effects of air pollution in China?

Seventy percent of Chinese households burn coal or biomass for cooking and heating, which contaminates indoor air. Adverse effects of combustion-related air pollution include reduced fetal and child growth, pulmonary disease including asthma, developmental impairment, and increased risk of cancer.

What is the main cause of air pollution in China and India?

One of the major sources of air pollution in China and India is from sulfur-dioxide emissions. The major contributor to the sulfur- dioxide emissions is due to increased coal consumption in the industrial sectors in both countries. More than 70% of China’s energy still comes from brown coal, the dirtiest fuel of all.

Why is air pollution a problem in China?

Electricity generation has historically been the main source of China’s air pollution. However, large coal-powered industries, which are key drivers of China’s economic development, have increasingly contributed to China’s air pollution problems.

What is China doing to improve the environment?

China has taken steps to dismantle coal-fired power plants, reduce overall emission levels and cut particulate-matter emission rates. Huge progress has been made on air quality, and there are now fewer smog days in China’s largest cities.2018-04-26

What is a main effect of air pollution in China?

Evidence from cohort studies in China also indicates that long-term exposure to ambient PM pollution and household air pollution from solid fuels is associated with various chronic diseases, including stroke, ischaemic heart disease, chronic obstructive pulmonary disease (COPD), and lung cancer.2020-08-17

Beijing Air Pollution: Real-time Air Quality Index

Beijing overall air quality index is 65 Beijing PM 2.5 (fine particulate matter) AQI is 65 – Beijing PM 10 (respirable particulate matter) AQI is 40 – Beijing NO 2 (nitrogen dioxide) AQI is 32 – Beijing SO 2 (sulfur dioxide) AQI is 2 – Beijing O 3 (ozone) AQI is 1 – Beijing CO (carbon monoxide) AQI is 3 –

Beijing Air Quality Index (AQI) and China Air Pollution

The city of Beijing was ranked at 201. Throughout 2019, Beijing had just two months when the air quality was classified as “Moderate” with readings between 12.1 and 35.4 µg/m³. The remaining ten months showed readings of 35.5 to 55.4 µg/m³ which categorised it as “Unhealthy for Sensitive Groups”, according to The WHO.

Beijing Air Pollution: Real-time Air Quality Index

Beijing overall air quality index is 85 Beijing PM 2.5 (fine particulate matter) AQI is 85 – Beijing PM 10 (respirable particulate matter) AQI is 56 – Beijing NO 2 (nitrogen dioxide) AQI is 24 – Beijing SO 2 (sulfur dioxide) AQI is 1 – Beijing O 3 (ozone) AQI is 11 – Beijing CO (carbon monoxide) AQI is 5 –

Beijing, Beijing, China Air Quality Index | AccuWeather

Particles that are larger than 2.5 micrometers can be deposited in airways, resulting in health issues. Exposure can result in eye and throat irritation, coughing or difficulty breathing, and

Beijing Air Quality Index (AQI) : Real-Time Air Pollution

Beijing Air Quality Forecast Day AQI Weather Temp. Wed 134 AQI Thu 134 AQI Fri 134 AQI Sat 134 AQI Sun 134 AQI Mon 134 AQI Tue 134 AQI Beijing AQI Calendar 0-50 Good 51-100 Moderate 101-150 Poor 151-200 Unhealthy 201-300 Severe 301-500 Hazardous AQI-IN 2022 Keep a track of China air pollution level on “AQI Air Quality App”

Beijing Air Quality Index (AQI) : Real-Time Air Pollution

Beijing 119 AQI (US) 20˚C / 50% Shanghai 41 AQI (US) 19˚C / 87% Historic Air Quality Graph of Beijing Best Oct 1, 2020 Worst Oct 1, 2020 0 Explore an insightful air pollution data for last 24 hrs, 7 days & 1 month AQI-IN 24 Hours

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Beijing's air quality meets national standards: a major

Beijing’s air quality met China’s national standards in 2021, for the first time since monitoring started, and the first time this century. The average concentration of PM2.5, the most dangerous pollutant, and the number one focus of China’s efforts, fell 13% on year, to 33 µg/m3, against a national standard of 35.

Beijing meets state air quality standards for first time

BEIJING, Jan 4 (Reuters) – The Chinese capital Beijing met state air quality standards for the first time last year, officials said on Tuesday, a milestone lauded by experts, who also warned that

Beijing meets national air quality standards for first

officials at beijing’s environmental protection bureau told reporters on tuesday that average readings of small, hazardous airborne particles known as pm2.5 reached 33 micrograms per cubic metre in

Beijing Real-time Air Quality Index (AQI) & Pollen Report

Beijing. Beijing, China Mainland. 2022-05-03 18:40. AQI (US)

Beijing Air Quality Index (AQI) and China Air Pollution

What is the current air quality in Beijing? ! PM2.5 x15.8 PM2.5 concentration in Beijing air is currently 15.8 times above the WHO annual air quality guideline value Health Recommendations How to protect from air pollution in Beijing? Forecast Beijing air quality index (AQI) forecast Interested in hourly forecast? Get the app Historical

Beijing Air Quality Index (AQI) and China Air Pollution

Beijing's air quality improvements are a model for other

In 2013 Beijing adopted more systematic and intensive measures for air pollution control. By the end of 2017 fine particulate pollution (PM2.5) fell by 35% and by 25% in the surrounding Beijing-Tianjin-Hebei region. Much of this reduction came from measures to control coal-fired boilers, provide cleaner domestic fuels, and industrial restructuring.

Why is Beijing's air quality so bad again? | The Economist

According to a scale used by the World Air Quality Index project, a non-profit group that monitors pollution, Beijing’s concentration of PM2.5, an especially harmful particulate that can enter

From 'air-pocalypse' to blue skies. Beijing's fight for

Hong Kong (CNN) Beijing was once known as one of the world’s most polluted cities, with dense smog and acrid air a daily reality for residents. Now, its skies are mostly blue — a sign the Chinese

Blue skies in Beijing: China's air quality shows improvement

A decade ago, the world condemned China’s notorious air quality as smog regularly blanketed the nation’s capital city. Today, the skies are clear enough for athletes at the Beijing 2022 Winter

Beijing Real-time Air Quality Index (AQI) & Pollen Report

Beijing: AQI (US) 83 Moderate, Pollen 501~800 Very High

Beijing Air Quality: Beijing AQI Today, Real Time, History

In 2015, Beijing has suffered severe air pollution for 104 days, while in 2018 it has decreased to only 15 days. In 2018, the number of unpolluted days has reached 227. The winter of Beijing, which used to be smoggy and hazardous, has turned blue and clean. Tourists travelling in Beijing are experiencing more of its true colors.

Air Pollution in Beijing Meets State Standards For the

The Chinese capital Beijing has met state air quality standards for the first time in 2020, according to officials, hitting the goal almost a decade earlier than expected. The severe air pollution in Beijing has plagued its residents for decades following China’s economic boom since 1979 , which saw a barrage of coal-burning factories

Beijing Pollution 2021 : Everything You Need to Know

Beijing Pollution – China Air Pollution & Beijing Air Quality Beijing Pollution – Staying Healthy in the Beijing Smog (5 Step Guide) 1. Understand the China Air Pollution AQI 2. Wear a Pollution Mask 3. Buy an Air Purifier 4. Stay Indoors 5. Head Out of Town! Beijing Pollution – Beijing Pollution Forecast

Olympics China warns of air pollution risk during Beijing

Last year, Beijing’s average concentrations of PM2.5 fell 13% to 33 micrograms per cubic metre, meeting China’s 35-microgram standard for the first time. read more The number still exceeds the

Clearing the Air: How Beijing is building up to better air

Air pollution in Beijing has long been a well documented environmental and health crisis. Here Mr Wang Qingqin, Vice Chair of China Green Building Council and Vice President of the China Academy of Building Research (CABR) details some of the improvements to ambient (outdoor) air quality in Beijing, and the impact of these improvements on indoor environmental quality.

How Beijing Addresses Its Air Pollution Problem | Council

12:06 pm (EST) Back in 2013, China experienced its worst smog outbreak since 1961. At some point in January, the Air Quality Index (AQI) readings in Beijing were far beyond the

Beijing sets air quality record in 2021 – bolnews.com

The average concentrations of PM10, nitrogen dioxide, and sulfur dioxide in Beijing were respectively 55, 26, and 3 micrograms per cubic meter last year, said Yu. The city saw 288 days of good air quality last year, up by 112 days from 2013, and only eight days of heavy air pollution. Download BOL News App for latest news

Beijing historical weather, air quality AQI and historical

Beijing historical weather, historical air quality, Beijing average temperature and average precipitation, typical meteorological year data, historical weather data services in China, etc.

Air Quality Beijing: Live air quality and pollution Forecasts

Live air quality report and air quality forecast in Beijing live 16 °C 0 UV poor 100 AQI outdoor sports bring baby out eating outside The air has reached a high level of pollution. Higher than the maximum limit for 24 hours established by WHO. share Fri 29 Apr 09:00PM FRI 06AM 12PM 06PM SAT 06AM 12PM 06PM Annual Average 133 AQI

China's air pollution harms its citizens and the world – U

Beijing’s industries also lead the world in emissions of mercury, a harmful neurotoxin. Public disclosure of environmental data can lead to lasting improvements in air quality.However, the CCP’s domestic repression, including limits on press freedoms, slows changes that could reduce emissions and benefit the environment. The U.S. Embassy in Beijing began monitoring the city’s air quality

How Beijing took control of air pollution – New Statesman

Beijing is now preparing to host the winter games in February. Since 2008 the Chinese economy has more than tripled in size and annual coal consumption has increased by more than a fifth, yet air quality in Beijing continues to improve.. Data from the city’s environment bureau shows that between 2013 and 2021 average levels of larger particulates, PM2.5 and PM10, fell by 63.1 per cent and 49

Beijing meets state air quality standards for first time

The Chinese capital Beijing met state air quality standards for the first time last year, officials said on Tuesday, a milestone lauded by experts, who also warned that pollution remained high in

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Beijing meets state air quality standards for first time

Beijing meets state air quality standards for first time in 2021. Manchin and Sinema are coy about reviving parts of the Build Back Better plan. Democrats hope they’re not being strung along

Beijing Air Pollution Reaches 'Red Alert' Levels, Closing

Beijing’s air quality index has regularly exceeded the 500 maximum on the chart used by the U.S. Environmental Protection Agency, at one time hitting a stunning 755.. The smog is sometimes so thick that it cannot be seen through, and many residents wear respirators or masks in dubiously effective attempts to prevent breathing it.

Why is Beijing's air quality so bad again? – Godfrey Times

According to a scale used by the World Air Quality Index project, a non-profit group that monitors pollution, Beijing’s concentration of PM2.5, an especially harmful particulate that can enter the bloodstream, peaked at 655 in the early hours of Monday morning. Anything above 300 is considered hazardous.

U.S. Department of State Air Quality Monitoring Program

Beijing – PM2.5. Past 24-hour PM2.5 AQI was No Data. Most Recent PM 2.5 AQI if at this level for 24 Hours Concentration: — µg/m³ Air Quality Guide for PM2.5. Air Quality Index (AQI) PM2.5 Health Effects Statement PM2.5 Cautionary Statement; Good (0-50) PM2.5 air pollution poses little or no risk. None: Moderate

Beijing skies clear after long air pollution drive

“Beijing’s air quality really reached its worst point around 2012, 2013, and that’s when public concern public outrage about the issue reached a boiling point as well. After that, the government started to take action,” said Lauri Myllyvirta, lead researcher at Center for Research on Energy and Clean Air.

The Cause and Solution for Air Pollution Problem in Beijing

Finally, although the air pollution problem has been getting better and better, there is still a long distance for Beijing to get into the perfect air quality range (Secretariat). It still needs

Air Quality Monitor – U.S. Embassy & Consulates in China

. The U.S. Embassy has an air quality monitor to measure PM 2.5 particulates as an indication of the air quality on the Embassy compound located in Chaoyang district. Pollutants such as particle pollution are linked to a number of significant health effects — and those effects are likely to be more severe for sensitive

Beijing's air quality has improved significantly, report

Beijing’s air quality has improved significantly, report says. Successful clean air action has led to a dramatic reduction in air pollution in Beijing over the last few years, according to a new report published by a team of over 150 scientists. The international group of researchers have spent the last five years using a range of equipment

'Extraordinary progress' – Beijing meets air pollution

Nine years after toxic smog in China’s capital sparked widespread protest, climate advocates are hailing “extraordinary progress” in Beijing’s fight against air pollution. The city authorities declared on Tuesday they had fully met all their air quality targets for the first time in 2021 – almost a decade earlier than experts expected.

A review of 20 Years' Air Pollution Control in Beijing

In 1998, Beijing began an intensified air pollution control programme, and over the last 20 years the city has implemented a series of measures including energy infrastructure optimization, coal-fired pollution control and vehicle emission controls. These efforts successfully reduced air pollution. In the five years from 2013 to 2017, fine particulate pollution (PM2.5) in Beijing fell by 35%

Air pollution and control action in Beijing – ScienceDirect

Beijing, the capital of China, has experienced rapid industrialization, urbanization and motorization in recent decades. Consequently, air pollution in Beijing, especially fine particulate matter (PM 2.5) pollution, has gradually become a severe environmental issue, due to the continuing growth in energy consumption and the resulting multiple pollutant emissions.

Air quality in parts of Hobart 'worse than Beijing' due to

At the same time, Beijing’s air quality was rated “good” at AQI 28, while the Chinese capital averaged AQI 55 (rated “moderate”) yesterday and an “unhealthy” AQI 153 average on Monday.

Improving Beijing's Air Quality: Recommendations for

Beijing residents continue to struggle with choking levels of hazardous air pollution, compounded by a sandstorm, causing the government to urge people to stay indoors and take steps to protect

#BeatAirPollution: Beijing's battle to clean up its air

Beijing’s battle to clean up its air. Beijing has made great strides in curbing vehicle emissions and pushing electric mobility, and in the process, improved the air quality for its 21 million citizens. It’s a quiet, frosty morning in Beijing’s financial district, when one of the city’s buses pulls up to pick up awaiting passengers.

Beijing's air quality shows significant improvements as

Beijing’s air quality has improved significantly since the start of the “war on pollution” seven years ago, according to official figures. In 2019, the capital’s average concentration of

Pandemic lockdowns improved air quality in 84% of

Singapore, Beijing, with a 46.5% rise from 2019. Up to 40% of air pollution in the capital Delhi originates from Punjab’s farm fires, according to the report.

Beijing sees improvement in water and air quality – CGTN

Beijing saw visible progress in improving water and air quality in 2019, according to a communique released by the Beijing Municipal Ecology and Environment Bureau on April 27. In 2019, the annual average concentration of potassium permanganate in Beijing’s surface water stood at 4.62 mg/L, and the annual average concentration of ammonia

Beijing Air Pollution Hits All Time Record – StarDestroyer

BEIJING — One Friday more than two years ago, an air-quality monitoring device atop the United States Embassy in Beijing recorded data so horrifying that someone in the embassy called the level of pollution “Crazy Bad” in an infamous Twitter post.

Beijing sets air quality record in 2021 – bolnews.com

BEIJING – Beijing made a breakthrough in its air pollution treatment as the city reached the national air quality standard, local authorities said Tuesday. The city’s average concentration of PM2.5 was 33 micrograms per cubic meter in 2021, the lowest level since records began in 2013, Yu Jianhua, deputy director of the Beijing municipal ecology and environment bureau, told a press briefing.

What to Do on a Poor Air Quality Day in Beijing – Helpful Tips

Beijing’s air pollution is measured in terms of AQI: air quality index. The scale goes from 0-500, and takes into consideration many different factors including ground-level ozone, particle pollution, carbon monoxide, sulfur dioxide, and nitrogen dioxide.

Is Air Quality in China a Social Problem? | ChinaPower Project

Air pollution tends to be localized due to topography, weather patterns, and proximity to polluting industries. Beijing’s air pollution, for example, is often exacerbated by the confluence of these factors. To the south and east of Beijing is a large concentration of coal-burning industries.

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Beijing sets air-quality record in October

Beijing sets air-quality record in October. In October, the monthly reading for PM2.5 fell to an average of 25 micrograms per cubic meter in Beijing, the lowest measurement in autumn and winter

Beijing Grapples with Record Air Pollution : NPR

Last weekend, air pollution levels in Beijing hit a record high, cloaking China’s capital in a thick smog and forcing residents inside. The air quality index measures ozone, carbon monoxide and

Fireworks Ban Pays off as Beijing Records Best Air Quality

Fireworks Ban Pays off as Beijing Records Best Air Quality for Lunar New Year’s Eve More A security personnel stands guard at a closed loop bubble area, ahead of Beijing 2022 Winter Olympics, in

Beijing | Air Quality

Air Quality from Space.

Air Quality In Beijing – Allergy Standards

Beijing’s air quality hovers around the ‘unhealthy’ category for much of the year. The perfect storm of millions of cars, noxious fumes from factories and coal powered industry combines with the city’s geography : Beijing is built on a flat landscape and surrounded by mountains so if there is no wind to blow away the smog, it hangs over the city like a shroud

Air Pollution and Cigarette Equivalence – Berkeley Earth

Thus the average person in China, who typically breathes 52 μg/m 3 of air pollution, is receiving a health impact equivalent to smoking 2.4 cigarettes per day. Put another way, 1 cigarette is equivalent to an air pollution of 22 μg/m 3 for one day. The average PM 2.5 in Beijing over the year is about 85 μg/m 3, equivalent to about 4

The 2008 Beijing Olympic Games: Spillover Effects on Air

These measures caused a sudden and sharp decrease in air pollution levels in Beijing and nearby cities. For instance, the particulate matter in the air (PM 10) in Beijing decreased by an average of 18 percent during 2008 and 30 percent during the Games. After the Games, the air quality worsened again, suggesting that the measures were

Reality Check: Is Beijing's air quality better this winter

Weibo. The claim: The Chinese government says that Beijing’s air quality improved sharply in the winter of 2017. Reality Check verdict: The air quality this winter has been better – but whether or

Chinese Stock Outlook: Air-Pollution Data Points to Slump

The research firm tracks city air quality to get a sense if China’s economy has returned to growth. “The busier a city is, the more pollution it creates,” DataTrek said in explaining its analysis.

Beijing Air Pollution: Air Quality Improved Despite

Beijing Air Quality Improved in 2015 Despite Pollution Warnings Beijing Air Quality Improved in 2015 Despite Pollution Warnings A pedestrian walks amid heavy smog in Beijing on .

Beijing Multi-Site Air-Quality Data Data Set

The air-quality data are from the Beijing Municipal Environmental Monitoring Center. The meteorological data in each air-quality site are matched with the nearest weather station from the China Meteorological Administration. The time period is from March 1st, 2013 to February 28th, 2017. Missing data are denoted as NA.

The Dynamic Impact of the COVID-19 Pandemic on Air Quality

Abstract. Air pollution is one of the major environmental problems that endanger human health. The COVID-19 pandemic provided an excellent opportunity to investigate the possible methods to improve Beijing’s air quality meanwhile considering Beijing’s economic impact. We used the TVP-VAR model to analyze the dynamic relationship among the

Beijing Air Quality Forecast: 2014

PM2.5 Forecast for Beijing – Monday, . So far, Sunday’s good air quality has stayed around, but it is unlikely that it will stay around much longer. Look for gradual increases in the pollution for the rest of the day, and we may or may not make it to Unhealthy before the day is over. EXTENDED FORECAST.

Pollution in Beijing – Numbeo

Estimation of perceptions about pollution in Beijing. Result of surveys about air pollution, water pollution, greens and parks satisfaction, light and noise pollution, etc.

BeijingAir (@BeijingAir) – Twitter

The latest Tweets from BeijingAir (@BeijingAir). MetOne BAM 1020 and Ecotech EC9810 monitors, measuring PM2.5 and ozone (O3). Please note the change in data format starting . Chaoyang District, BEIJING

Beijing Air Quality Forecast: August 2013

PM2.5 Forecast for Beijing – Thursday, . Thursday should be a great day for air quality – the predicted weather conditions should clear out the current PM2.5 accumulation within just a few hours. We should see Moderate or Good air quality beginning anywhere between 5AM and about 9AM, and our air quality should remain stable at

Beijing Olympics: Is pollution a problem at 2022 Winter Games?

The air quality looks to be an obstacle yet again. According to The Washington Post, the Beijing Winter Olympics will be dealing with “extremely unfavorable” weather conditions along with

Beijing, Beijing, China Day and Night Weather | AccuWeather

Chilly. 40° to 52°. Jacket or sweater is recommended. LEARN MORE. 5/7. Partly cloudy; unhealthy air quality for sensitive groups. Wind SSW 7 mph. Wind Gusts 27 mph. Probability of Precipitation 25%.

Beijing air pollution at dangerously high levels – Phys.org

Beijing air pollution at dangerously high levels Tourists in masks use mobile phone cameras to snap shots of themselves during a heavily polluted day on Tiananmen Square in Beijing, China

Beijing sees heavy pollution ahead of Olympics – The

Beijing’s air quality has improved dramatically since then. Last year, concentrations of the minuscule and more dangerous pollutant known as PM2.5 met national standards of 35 micrograms per

Changes of plasma vWF level in response to the improvement

Plasma von Willebrand factor (vWF) is an important factor involving in hemostasis and various cardiovascular diseases. Air pollution is related to many respiratory and cardiovascular diseases. During the Olympic Games Beijing 2008 period (August 8 to ) when air quality in Beijing i …

(PDF) Improving Urban Air Quality in China: Beijing Case Study

Beijing, a typical representative of rapidly developing cities, is an example to illustrate the possible options for urban air pollution control. Beijing’s case provides hope that the challenges

Beijing – Wikipedia

Beijing air quality is often poor, especially in winter. In mid-January 2013, Beijing’s air quality was measured on top of the city’s US embassy at a PM2.5 density of 755 micrograms per cubic meter, which is more than 75 times the safe level established by the WHO , and went off the US Environmental Protection Agency’s air quality index.

Beijing PM2.5 Air Quality Report – 2019 Statistics – Smart Air

A Smart Air analysis of new air quality data Beijing’s PM2.5 pollution dropped 11% in 2019 from the year before. Combined with progress in earlier years, Beijing has cut its PM2.5 in half compared to 2014. Beijing’s improvement suggests that the 2013-2017 Clean Air Action Plan, with its tens of billions RMB, has had an effect.