Particulate pollution

Air pollution in Tehran on Tuesday, Dec. 4, 2012.

New WHO air pollution standards could save millions of lives each year

October 10, 2021Health & Medicine

The World Health Organization is urging nations to adopt new air quality guidelines that could save 7 million lives a year worldwide. Fine particulates known as PM2.5 are the deadliest of six types of pollution that need tighter restrictions, WHO says.

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