Researchers find ammonium concentration in PM2.5 leading to higher risk of death
Green Car Congress
DECEMBER 28, 2021
Particulate matter is a complex mixture of extremely small particles and liquid droplets which can be directly emitted from natural sources, such as forest fires, or when gases emitted from power plants, industries and automobiles react in the air. and 5 million deaths worldwide in 2017. is airborne particulate matter smaller than 2.5
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