 "Delhi smog, Delhi air quality, air pollution")
Delhi's air quality improved slightly from 'very poor' to 'poor' category on Wednesday as the overall Air Quality Index (AQI) was recorded at 290 by the System of Air Quality Forecasting and Research (SAFAR).
PM2.5 (presence of particles in the air with a diameter of less than 2.5 micrometres) was recorded at 117. PM10 level (presence of particles in the air with a diameter of less than 10 micrometres) in Delhi stood at 246, according to the data from SAFAR.
The Central Pollution Control Board (CPCB) recorded the city's overall AQI at 254 on Tuesday evening.
Taking note of
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