Delhi's overall air quality deteriorated to the severe category from "very poor" on Wednesday morning
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.
Delhi's air quality
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.
Delhi's air quality An AQI between zero and 50 is considered "good", 51 and 100 "satisfactory", 101 and 200 "moderate", 201 and 300 "poor", 301 and 400 "very poor", and 401 and 500 "severe".
The Ministry of Earth Sciences' monitoring system SAFAR had predicted improvement in the AQI for coming days.
