PM2.5 remained the key pollutant on Saturday. Since Diwali, the national capital's air quality has been either 'poor' or 'very poor', occasionally worsening to 'severe'

The national capital on Saturday recorded an average Air Quality Index (AQI) of 335 at 9 am placing Delhi in the 'red zone' and making it the most polluted city in the country, according to data from the Central Pollution Control Board (CPCB).

AQI at India Gate was 322. In the Palam area, the AQI recorded was 320, while in Dhaula Kuan AQI reported was 269. Read More

PM2.5 remained the key pollutant on Saturday. Since Diwali, the national capital's air quality has been either 'poor' or 'very poor', occasionally worsening to 'severe'.

Delhi's temperatures continued to dip, with the mercury settling at 11 degrees Celsi

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