Metrolab Blog

New WHO Global Air Quality Guidelines

Air pollution is one of the biggest environmental threats to human health, alongside climate change.

New World Health Organization (WHO) Global Air Quality Guidelines (AQGs) provide clear evidence of the damage air pollution inflicts on human health, at even lower concentrations than previously understood. The guidelines recommend new air quality levels to protect the health of populations, by reducing levels of key air pollutants, some of which also contribute to climate change.

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