WHO issues new, lower Global Air Quality Guidelines for classical pollutants
Green Car Congress
SEPTEMBER 25, 2021
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. In 2019, more than 90% of the global population lived in areas where concentrations exceeded the 2005 WHO air quality guideline for long term exposure to PM 2.5.
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