Global study links daily exposure to ozone pollution to increased risk of death
Green Car Congress
FEBRUARY 11, 2020
g/m 3 (Chinese Ambient Air Quality Standard). 100 µg/m 3 , World Health Organization guideline; 120 µg/m 3 , European Union directive; 140 µg/m 3 (about 0.070 parts per million); National Ambient Air Quality Standard (NAAQS) in the US; 160 µg/m 3 Chinese Ambient Air Quality Standard (CAAQS). g/m 3 (WHO), 120 ?g/m
Let's personalize your content