Post-Diwali AQI shoots up in four Metro cities, Bengaluru records ‘good’ air quality

Majority metropolitan cities in India showed a significant decline in air quality as parts of the country woke up to smog a day after Diwali was celebrated. Among all metro cities, Delhi recorded the highest air quality index (AQI), falling in the ‘severe’ category as the national capital engulfed in smog on Tuesday morning. According […]

Delhi diwali day aqiDelhi-NCR AQI Level Today: Morning visuals from ITO area. (PTI Photo)
2 min readNew DelhiOct 21, 2025 08:11 AM IST First published on: Oct 21, 2025 at 08:11 AM IST

Majority metropolitan cities in India showed a significant decline in air quality as parts of the country woke up to smog a day after Diwali was celebrated. Among all metro cities, Delhi recorded the highest air quality index (AQI), falling in the ‘severe’ category as the national capital engulfed in smog on Tuesday morning.

According to the readings by aqi.in, Delhi recorded an AQI of 447 at 7.30 am on Tuesday morning, falling in the ‘severe’ category. Of the eight total metropolitan cities, the AQI stands above 150 in five cities. Meanwhile, Bengaluru, Hyderabad and Chennai recorded an AQI less than 100 on Tuesday morning.

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