The air quality in the national capital was in the 'severe' category on Tuesday, with the overall Air Quality Index (AQI) recorded at 421 at 7 am, according to data from the Central Pollution Control Board (CPCB).

Several parts of the city registered alarming pollution levels with AQI readings crossing the 400-mark.

As per CPCB data, Anand Vihar recorded an AQI of 412, Alipur reported 442, and Bawana registered the highest level at 462. Chandni Chowk recorded an AQI of 416, while RK Puram and Patparganj logged 446 and 438, respectively.

Sonia Vihar also recorded a 'severe' AQI of 433, indicating hazardous air conditions across the city.

Marginally higher than Monday, when the AQI was in the 'very poor' category, with a recording of 345 as of 8 am, pollution levels across several parts

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