Home Environment and Pollution Air Pollution Ambient Air Quality Status
Sample Data Format
 Status of National Ambient Air Quality Standards in India
(2009) 
 Pollutant  Time Weighted Average  Concentration in Ambient Air 
 Industrial, Residential, Rural and other Area  Ecologically Sensitive Area (Notified by Central Government)  Methods of Measurement 
 Sulphur Dioxide (SO2), µg/m3  Annual*
24 Hours** 		 50
80 		 20
80 		  Improved West and Gaeke Ultraviolet Fluorecence 
 Nitrogen Dioxide (NO2), µg/m3  Annual*
24 Hours** 		 40
80 		 30
80 		 Jacob & Hochheiser Modified (Na-Arsenite) Chemiluminerscence 
 Pariculate Matter (Size Less than 10µm) or PM10 µg/m3  Annual*
24 Hours** 		 60
100 		 60
100 		 Gravimetric Toem Beta Attenuation 
 Pariculate Matter (Size Less than 2.5µm) or PM 2.5 µg/m3  Annual*
24 Hours** 		 40
60 		 40
60 		 Gravimetric Toem Beta Attenuation 
 Ozone (O3) µg/m3    8 Hours**
1 Hours** 		 100
180 		 100
180 		 UV Photometric Chemilminescence Chemical Method 
 Lead (Pb) µg/m3    Annual*
24 Hours** 		 0.50
1.0 		 0.50
1.0 		 AAS/ ICP Method After Sampling on EPM 2000 or Equivalent Filter Paper 
 Carbon Monoxide(CO) mg/m3   8 Hours**
1Hours** 		 2
4 		 2
4 		 Non Dispersive Infra Reb (NDIR) Spectroscopy  
 Ammonia(HN3) µg/m3    Annual*
24 Hours** 		 100
400 		 100
400 		 Chemiluminescence Indophenol Blue Methoud 
 Benzene(C6H6) µg/m3           
 BaP (Particulate Phase only) ng/m3         
 Ammonia(HN3) ng/m3           
 Nickel,  ng/m3           
 
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