WHO issues new, lower Global Air Quality Guidelines for classical pollutants
Green Car Congress
SEPTEMBER 25, 2021
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. Recommended 2021 AQG levels compared to 2005 air quality guidelines. When action is taken on these classical pollutants—particulate matter (PM), ozone (O?), Source: WHO.
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