It's not fair to call China the world's most polluted country – Quartz
![]() Quartz |
It’s not fair to call China the world’s most polluted country
Quartz Fine particulate matter (pollutant particles smaller than 10 microns in diameter — PM 10 — and 2.5 microns in diameter — PM 2.5) is a critical air pollutant of concern for human health because it is small enough to reach the lung’s most sensitive … |