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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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Ground level ozone is a highly reactive gas commonly found in urban and suburban environments, formed when pollutants react in sunlight. Recent reviews suggest that 80% of the world’s population in urban areas are exposed to air pollution levels above the WHO threshold. g/m 3 (WHO), 120 ?g/m Vicedo-Cabrera et al.

Ozone 243
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EEA report finds most Europeans in cities still exposed to levels of air pollution exceeding WHO guidelines

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The European Environment Agency’s (EEA’s) “ Air quality in Europe — 2019 report ” shows that almost all Europeans living in cities are still exposed to air pollution levels that exceed the health-based air quality guidelines (AQGs) set by the World Health Organization (WHO).

Pollution 170
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UNICEF: 300M children worldwide breathing air exceeding WHO pollution guidelines by 6x or more

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Almost one in seven of the world’s children, 300 million, live in areas with the most toxic levels of outdoor air pollution—six or more times higher than international guidelines set by the UN’s World Health Organization (WHO)— according to a new UNICEF report. No society can afford to ignore air pollution.

Pollution 150
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U Birmingham study finds DPFs have limited impact on ultrafine particle emissions

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An open-access paper on their work is published in the journal Environment International While the World Health Organization has not yet set a guideline for safe levels of ultrafine particles, it recognizes that particulate pollution overall is associated with negative impacts on cardiovascular and respiratory health.

Emissions 210
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Researchers find air pollution impacts the health of wild pollinators

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In some of the first research to try to address the physiological and molecular impacts of air pollution on wild plants and animals, scientists from the Bangalore Life Science Cluster in India report that air pollution could be devastating for organisms we rely on most for our own survival—like the honey bee.

Pollution 199
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Report: PM2.5 hits 390 µg/cubic meter in Shanghai, 5x national limit and 15.6x WHO safety guideline

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times the World Health Organization’s (WHO’s) safety guideline of 25 µg/m 3. Due to the arrival of pollutants from north, the PM 2.5 The city’s average air quality index over 24 hours reached its peak at 6pm with a reading of 287, indicating heavy pollution, while Qingpu District recorded an AQI of 339, or severely polluted.

Pollution 220