Delhi recorded the worst air quality in the country on Wednesday, with pollution levels plunging into the ‘severe’ category in more areas of the national capital than the previous day. The 24-hour average air quality index, or AQI, recorded at 4 pm was the highest in Delhi at 364, followed by Rajasthan’s Dausa at 316 and Ghaziabad at 305, according to the Central Pollution Control Board.
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