According to data from the Sameer app, Delhi’s overall AQI stood at 309, placing it in the ‘very poor’ category. Alipur recorded the worst air quality at 421, while Sri Aurobindo Marg reported the cleanest air in the city with an AQI of 152 (‘moderate’ category).

A thick layer of smog continued to cover Delhi on Tuesday as the city’s air quality remained in the ‘very poor’ category for the third straight day, recording an Air Quality Index (AQI) of 309, according to the Central Pollution Control Board (CPCB). Data from the CPCB’s Sameer app showed that Alipur (421), Jahangirpuri (404) and Wazirpur (404) were the most polluted areas, with AQI levels falling into the ‘severe’ category.

About 14 of the station recorded air quality in the ‘very poor’ category. Sirifort and Pusa, on the other

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