Delhi logged the season's best air quality on Wednesday, with favourable wind speed dispersing pollutants.
  Â
The 24-hour average air quality index settled at 160 at 4 pm, the best after the AQI of 154 recorded on October 14 last year.Â
  Â
An AQI between 201 and 300 is considered "poor", 301 and 400 "very poor", and 401 and 500 "severe".
  Â
This was the first moderate air quality day in January this year.
  Â
Delhi did not record any good, satisfactory or moderate air quality days in November. It, however, saw three moderate air quality days in December.