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Cold wave: Delhi-NCR get rain, AQI drops to ‘poor’; fresh snow likely in Shimla, Manali
An AQI between 0 and 50 is considered “good,” 51-100 “satisfactory,” 101-200 “moderate,” 201-300 “poor,” 301-400 “very poor,” and 401-500 “severe.” Snow in Manali ...
Crackers light up Chennai, but air quality cracks under pressure
The AQI of Alandur and Manali was 204 and 202 respectively, which is ‘poor’ air quality. It’s not just because of ...
Chennai’s winter air quality hit due to rise in NO2 & local hotspots
CHENNAI: Chennai recorded a sharp rise in nitrogen dioxide (NO2) levels and witnessed localised air pollution hotspots this ...