New Delhi: Air pollution in the national capital worsened sharply on Sunday, with a thick layer of toxic smog engulfing Delhi and pushing air quality into the hazardous range, significantly reducing visibility across several areas.

According to the Central Pollution Control Board (CPCB), Delhi’s average Air Quality Index (AQI) rose to 461 at 7 am, compared with 431 a day earlier, highlighting a deepening air pollution crisis.

All 40 air quality monitoring stations in the city recorded ‘severe’ AQI levels. Rohini was among the worst-affected areas with an AQI of 499, followed by Bawana at 498. Vivek Vihar reported 495, while Ashok Vihar and Wazirpur stood at 493 each. Narela recorded 492, and Anand Vihar 491.

Pollution levels remained critically high across other parts of the capital as

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