New Delhi: Air pollution in the national capital, which had already deteriorated into the ‘severe’ category, worsened further on Sunday as a thick blanket of toxic smog enveloped the city, pushing air quality to hazardous levels and affecting visibility in several areas.

According to data released by the Central Pollution Control Board (CPCB), Delhi’s average Air Quality Index (AQI) climbed to 461 at 7 a.m. on Sunday, up from 431 recorded a day earlier. The alarming figures underscored the deepening air quality crisis gripping the national capital.

All 40 air quality monitoring stations across Delhi reported readings in the ‘severe’ category, with several locations nearing the maximum measurable limit. Rohini emerged as one of the worst-affected areas, recording an AQI of 499, followed

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