Concentration in Ambient Air (During Winter Season) in Calcutta City of West Bengal (1995-1996 and 1996-1997) | |||
Pollutant Name | Central Pollution Control Board Standards (ug/m3) | Concentration in Ambient Air in Calcutta (ug/m3) | |
1997-1998 (Winter) | 1998-1999 (Winter) | ||
Suspended Particulate Matters (SPM) (24 Hours Average) | |||
Nitrogen Oxides As No2 (24 Hours Average) | |||
Carbon Monoxide (Co) (8 Hours Average) | |||
Sulphur Di-Oxide (SO2) (24 Hours Average) | |||
India |