Status of Ambient Air Quality (Concentration of Pollutants) in India (1994 and 2009) | |||||||
Pollutant | Time Weighted Average | 1994 | 2009 | Method of Measurement | |||
Concentration in Ambient Air | Concentration in Ambient Air | ||||||
Industrial Area | Residential, Rural and Other Area | Sensitive Areas | Industrial, Residential, Rural and Other Areas | Notified Ecologically Sensitive Areas | |||
Sulphur Dioxide (SO2), (In μg/m3) | |||||||
Nitrogen Dioxide (NO2) , (In μg/m3) | |||||||
Suspended Particulate Matter (SPM), (In μg/m3) | |||||||
Particulate Matter (Size less than 10 μm) or PM10, (In μg/m3) | |||||||
Particulate Matter (Size less than 2.5 μm), or PM2.5, (In μg/m3) | |||||||
Ozone (O3) , (In μg/m3) | |||||||
Lead (Pb), (In μg/m3) | |||||||
Carbon Monoxide (CO), (Mg/m3) | |||||||
Ammonia, (In μg/m3) | |||||||
Benzene (C6H6), (In μg/m3) | |||||||
Benzo(a)Pyrene (BaP) - Particulate Phase only, (In Ng/m3) | |||||||
Arsenic (As), (In Ng/m3) | |||||||
Nickel (Ni), (In Ng/m3) |