Delhi's air quality recorded in 'severe' category on Wednesday

New Delhi: Delhi's overall air quality deteriorated to the severe category from "very poor" on Wednesday morning.

The national capital's AQI was in "severe" category on November 15 the last time but after that it had improved and remained in either "poor" or "moderate" category until November 22.

According to the Central Pollution Control Board (CPCB) mobile app, SAMEER, the city's air quality index (AQI) was recorded at 401.

It was 388 on Tuesday. The AQI in the city was 302 on Monday, 274 on Sunday and 251 on Saturday.

The Ministry of Earth Sciences' monitoring system SAFAR had predicted improvement in the AQI for coming days.