PM2.5

Peering into China’s thick haze of air pollution

Date of Release: 
Jan 23 2017

As 2016 gave way to 2017, residents of Beijing, Tianjin, and many other northern Chinese cities suffered through the longest stretch of stifling air pollution ever recorded in the country. They choked through eight continuous days of thick, light-blocking haze, starting Dec. 30, 2016. This stretch of bad air began only a week after people in 70 northern Chinese cities were enveloped by similar days of haze composed of high concentrations of particles less than 2.5 μm in diameter (PM2.5).

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Long-term exposure to particulate air pollutants associated with numerous cancers

Date of Release: 
Apr 29 2016

The study between the University of Birmingham and University of Hong Kong, published in Cancer Epidemiology, Biomarkers & Prevention, a journal of the American Association for Cancer Research, adds to growing concern around the health risks of prolonged exposure to ambient fine particulate matter.

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Air pollution rising at an 'alarming rate' in world's cities

Date of Release: 
May 12 2016

Outdoor air pollution has grown 8% globally in the past five years, with billions of people around the world now exposed to dangerous air, according to new data from more than 3,000 cities compiled by the World Health Organisation (WHO).

While all regions are affected, fast-growing cities in the Middle East, south-east Asia and the western Pacific are the most impacted with many showing pollution levels at five to 10 times above WHO recommended levels.

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Beijing says pollution lessened in 2015 despite smog alerts

Date of Release: 
Jan 5 2016

BEIJING (AP) — Environmental authorities in Beijing say air quality improved in 2015, a year in which they issued the city's first two red smog alerts and showed a greater willingness to disrupt industry and ordinary people in search of cleaner air.

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Clean Air Asia China office Released Report on Air Pollution Control Process in 74 cities in China

Date of Release: 
Nov 16 2015

(Nov. 16th, 2015, Beijing) The implementation of the Chinese “Air Pollution Prevention and Control Action Plan” (the ‘Action Plan’) has received much attention since it was published in September 2013. Today the Clean Air Asia China office released a new report “China Air 2015: Air Pollution Prevention and Control Progress in Chinese Cities“, showing the most comprehensive picture about how air pollution problem has been tackled in Chinese cities in the past two years.

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Chinese govt on target for reduced pollution in 2017

Date of Release: 
Nov 17 2015

China's major cities should reach their targets in reducing major air pollutants by 2017 as planned, experts said, though ozone poses a more stubborn problem.

Among the six major air pollutants listed in the Action Plan on Air Pollution Control and Prevention, the concentrations of five saw significant decreases in 2014 in 74 major cities, according to the Ministry of Environmental Protection.

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Taiwan to include PM2.5 levels in air pollution controls

Date of Release: 
Nov 17 2015

Taipei, Nov. 17 (CNA) The Environmental Protection Administration (EPA) said Tuesday it will add measurements for fine particulate matter smaller than 2.5 micrometers (PM2.5) to its air pollution control standards in the wake of deteriorating air quality in Taiwan.

The inclusion of PM2.5 information, called for in amendments to the Air Pollution Control Act that have yet to pass the Legislature, is expected to help authorities better tackle air pollution as PM2.5 concentrations have reached hazardous levels recently, according to the EPA.

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