Delhi covered in toxic smog: Check areas with worst AQI today

Among the worst affected areas in Delhi, according to IQ Air, are Bawana, with an AQI of 784, and Chandni Chowk, with an AQI of 730, as of 9 am.

Updated on: Nov 7, 2025, 11:08:50 IST

By HT News Desk

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The air in the national capital turned ‘hazardous’ on Friday morning as a thick layer of smog blanketed the city. The overall AQI of Delhi was recorded at 433, as of 9 am, according to data from Swiss monitor IQ Air, which it says is ‘hazardous’. Just hours earlier, Delhi's overall AQI was a whopping 727, according to IQ Air data.

According to the CPCB bulletin released on 4 pm on Thursday, Delhi was the fourth most polluted city in India out of 254 cities with an AQI of 311 and ‘very poor’ air quality.

However, according to the Central Pollution Control Board, Delhi's AQI stood at 309, as of 9 am, making the air quality in the national capital ‘very poor’.

Also read: Delhi airport ops hit over air traffic control glitch, over 100 flights delayed

Which are the worst affected areas?

Among the worst affected areas in Delhi, according to IQ Air, are Bawana, with an AQI of 784, and Chandni Chowk, with an AQI of 730, as of 9 am.

This is followed by Rohini in north-west Delhi, where the AQI stood at 629, and Narela, with an AQI of 616. In Patparganj, the AQI was recorded at 579 and in Sonia Vihar, it was 549.

According to the Swiss monitor, the air in all these areas across the national capital is hazardous.

Also read: Delhi AQI spikes sharply to 700+; dust and toxic smog envelop capital

Delhi 4th most polluted city in India?

According to the CPCB bulletin released on 4 pm on Thursday, Delhi was the fourth most polluted city in India out of 254 cities with an AQI of 311 and ‘very poor’ air quality. The chart was topped by Rohtak with an AQI of 348, followed by Charkhi Dadri with AQI of 337 and Jind at 324. The air in all these cities was in the ‘very poor’ category.

According to CPCB, an AQI of 0-50 is considered ‘good’, 51-100 is considered ‘satisfactory’, 101-200 is considered ‘moderate’, 201-300 is considered ‘poor’, 301-400 is considered ‘very poor’, and 401-500 is considered ‘severe’.

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HT News Desk
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