New WHO Global Air Quality Guidelines aim to save millions of lives from air pollution.

News release: New WHO Global Air Quality Guidelines aim to save millions of lives from air pollution – World Health Organization

Original Guideline: WHO global air quality guidelines: particulate matter (‎PM2.5 and PM10)‎, ozone, nitrogen dioxide, sulfur dioxide and carbon monoxide

Executive Summary: WHO global air quality guidelines: particulate matter (‎PM2.5 and PM10)‎, ozone, nitrogen dioxide, sulfur dioxide and carbon monoxide

Commentaries:

Millions of deaths could be avoided under new air quality guidelines, WHO says – CNN

Combatting an invisible killer: New WHO air pollution guidelines recommend sharply lower limits – The Conversation

WHO slashes guideline limits on air pollution from fossil fuels – The Guardian