Delhi’s air quality worsened sharply on Thursday as the city’s overall Air Quality Index (AQI) touched 400, placing it in the ‘severe’ category, according to data from the Central Pollution Control Board (CPCB). A thick layer of smog continued to cover the city because slow wind and dropping temperatures prevented pollutants from clearing. This rise came just a day after Wednesday’s alarming AQI of 392, which had kept Delhi close to the severe mark for the sixth straight day.

Pollution Hotspots Record Extremely High Levels

Several pollution-monitoring stations across the city reported AQI levels above 400. The CPCB’s Sameer app listed Wazirpur as the most polluted area with an AQI of 477. Other hotspots included Anand Vihar (427), RK Puram (424), Punjabi Bagh (441), Mundka (441), Jahangi

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