India, Nov. 21 -- The city of Ghaziabad yet again emerged as the most polluted city across the country with an air quality index (AQI) of 430 on Thursday, as per the daily bulletin of the Central Pollution Control Board (CPCB).

The city is not faring well in terms of pollution, as it topped the list of the most polluted cities on November 17 and 19 as well.

The CPCB figures showed Ghaziabad recording an AQI of 430 under the "severe" category, with primary pollutants being PM10 and PM2.5. The city has continuously faced "severe" pollution since November 16, and AQIs have stood at 419, 401, 434, 422, and 430 each day till November 20.

The period -- November 16 to November 20 -- has been the worst, as these are the first "severe" days for...