Delhi saw a marginal dip in pollution levels on Wednesday, with the overall AQI falling from 310 to 269, but air quality remained in the ‘poor’ category. Smog persisted across the city as IMD warned of dense fog and a cold wave.
CPCB's Sameer app data, which provides hourly AQI updates, showed that out of 38 monitoring stations, 18 were in the 'severe' category with readings above 400
Delhi has seen worsening air quality over recent weeks, largely attributed to stubble burning, low wind circulation, and also due to burning crackers, even after a ban