Air Quality Index

Season's worst air quality in Delhi, AQI 'severe' at 423

Season's worst air quality in Delhi, AQI 'severe' at 423

11 Nov 2025

1 min read

Pollution levels in TN exceed national standards; Chennai’s AQI readings worst

Pollution levels in TN exceed national standards; Chennai’s AQI readings worst

21 Oct 2025

2 min read

Chennai wakes up to thick smog after Deepavali pollution hits ‘severe’ levels

Chennai wakes up to thick smog after Deepavali pollution hits ‘severe’ levels

21 Oct 2025

1 min read

Air pollution cuts 3.5 years from life of average Indian: Report

Air pollution cuts 3.5 years from life of average Indian: Report

28 Aug 2025

2 min read

Tiruvallur air quality dips after goods train fire; CPCB warns of rising pollution

Tiruvallur air quality dips after goods train fire; CPCB warns of rising pollution

13 Jul 2025

1 min read

Chennai’s winter PM2.5 levels up, Delhi air dirtiest: Report

Chennai’s winter PM2.5 levels up, Delhi air dirtiest: Report

19 Mar 2025

1 min read

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