Delhi: ‘Severe’ air pollution recorded at 32 of city’s 39 monitoring stations

Air pollution in Delhi remained in the “severe” category with an air quality index of 418 on Wednesday evening, according to data from the Central Pollution Control Board .

As of 5.07 pm, air quality was “severe” or worse in 32 out of 39 monitoring stations, the Sameer application, which provides hourly updates published by the CPCB, showed. At the Wazirpur and Bawana monitoring stations, pollution had even crossed the “severe plus” threshold.

An index value between 0 and 50 indicates “good” air quality, between 51 and 100 indicates “satisfactory” air quality and between 101 and 200 indicates “moderate” air quality. As the index value increases further, air quality deteriorates. A value of 201 and 300 means “poor” air quality, while between 301 and 400 indicates “very poor” air.

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