New Delhi, 22 December (H.S.): Delhi-NCR and Uttarakhand’s capital Dehradun grappled with severely polluted air on Monday, as the average Air Quality Index (AQI) in Delhi registered 377, Ghaziabad 364, Gurugram 328, and Dehradun 326—all falling within the ‘very poor’ category dominated by elevated PM2.5 and PM10 particulate levels.
