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WHO issues new, lower Global Air Quality Guidelines for classical pollutants

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New WHO has issued new Global Air Quality Guidelines (AQGs) that reduce levels of key air pollutants, some of which also contribute to climate change. Since WHO’s last 2005 global update, there has been a marked increase of evidence that shows how air pollution affects different aspects of health. Source: WHO.

Pollution 435
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Global study links daily exposure to ozone pollution to increased risk of death

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Daily exposure to ground level ozone in cities worldwide is associated with an increased risk of death, according to the largest study of its kind, published in an open-access paper in The BMJ. Ground level ozone is a highly reactive gas commonly found in urban and suburban environments, formed when pollutants react in sunlight.

Ozone 243
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WHO links 7 million premature deaths annually to air pollution; 12.5% of total global deaths

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The World Health Organization now estimates that in 2012 around 7 million people died—one in eight (12.5%) of total global deaths—as a result of air pollution exposure. Estimates of people’s exposure to outdoor air pollution in different parts of the world were formulated through a new global data mapping.

Pollution 358
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Study: 87% of world’s population in 2013 lived in areas exceeding WHO PM2.5 guidelines

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In 2013, 87% of the world’s population lived in areas exceeding the World Health Organization (WHO) Air Quality Guideline of 10 μg/m 3 PM 2.5 Between 1990 and 2013, global population-weighted PM 2.5 Additionally, the study found that the population-weighted mean concentrations of ozone increased globally by 8.9%

2013 150
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HEI report finds current levels of air pollution have reduced life expectancy by 1.67 years on average worldwide

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The Health Effects Institute (HEI) has released the annual State of Global Air (SoGA) 2019 report and website. This year’s report includes the latest results on air pollution exposure and its health burden around the world based on the 2017 GBD (Global Burden of Disease) study. and tropospheric ozone. Ambient PM 2.5

Pollution 273
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Study estimates ~4M children worldwide develop asthma each year because of NO2 air pollution

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NO 2 is just one component of air pollution, which is made up of many pollutants (including particulate matter, ozone, carbon monoxide), which are known to have numerous adverse effects on health. The researchers estimate that most children lived in areas below the current WHO guideline of 21 parts per billion for annual average NO 2.

Pollution 360
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Study: air pollution causes 800,000 extra deaths a year in Europe and 8.8 million worldwide

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million extra deaths globally rather than the previously estimated 4.5 They applied these to a new model of global exposure and death rates and to data from the WHO, which included information on population density, geographical locations, ages, risk factors for several diseases and causes of death. Credit: European Heart Journal.

Pollution 320