Trends of Air Quality in Delhi Metropolitan City (1990 to 1998) | |||||||||||
Air Pollutants | Area | Year | Attainment of Air Quality Standards | ||||||||
Sulphur Dioxide (mg/m3) | |||||||||||
Nitrogen Dioxide (mg/m3) | |||||||||||
Suspended Particulate Matter (mg/m3) | |||||||||||
Particulate Lead* (ng/m3) | |||||||||||
Carbon Monoxide (mg/m3) |