Delhi's air quality was recorded in the moderate category on Wednesday morning, while government agencies said no significant change

New Delhi: Delhi's air quality was recorded in the moderate category on Wednesday morning, while government agencies said no significant change is likely in the next three to four days.

The mercury is also predicted to dip to single digits by Saturday. On Wednesday morning, it was 10.6 degrees Celsius, two notches below normal, according to the India Meteorological Department.

Delhi's air quality

The air quality index (AQI) stood at 414, in the severe category, on Diwali day. But rain and high-velocity winds under the influence of Wester Disturbance brought relief from high pollution levels.

The city's 24-hour average AQI improved from 435 on Sunday to 221 on Monday. On Tuesday, it was 171.

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 central government's Air Quality Early Warning System for Delhi said Delhi-NCR's air quality is likely to remain in the moderate and the lower end of the poor category on Thursday and Friday.