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Ambient Air Quality

Criteria Pollutant

S.No

Nitrogen Oxides

Sulfur Dioxide

Particulate Matter

Nox Nox Nox SO2 SO2 SO2 PM10 PM10 PM10 PM10
1 Average Period 1 hour 24 hours Annual 1 hour 24 hours Annual 24 hours Annual 24 hours Annual
2 AAQS Value 400 150 100 1300 365 80 150 50 35 25
3 Ranking H9H H2H - H9H H2H - H2H - H9H -
4 Trigger Values 188 - 40 196 125 50 - 40 - 12
5 Ranking H8H - - H4H H4H - - - - -

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