All are indicators of Air pollution except:
Indicators of air pollution: Co2, Co So2 , No2 Air pollution index Soiling index Coefficient of Haze SPM - Best chemical indicator of air pollution - S02. - Best biological indicator of air pollution - Lichens. McArdle's index It is an index of thermal comfo. Max P4SR (Predictable 4 hour sweat rate): <4.5lit/4hours. Beyond this death of person is imminent.
Soiling index
McArdle's index
Suspended paicle count
So2 concentration
Environment