New WHO Global Air Quality Guidelines

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A few weeks ago, the WHO published its first major update of the global air quality guidelines in ,pre than 15 years. It integrates latest research into different types of air pollutants and recommenda air quality levels for six pollutants.

More information:

https://www.who.int/news/item/22-09-2021-new-who-global-air-quality-guidelines-aim-to-save-millions-of-lives-from-air-pollution

https://www.theguardian.com/environment/2021/sep/22/who-cuts-guideline-limits-on-air-pollution-from-fossil-fuels