Ghaziabad most polluted city; UP capital Lucknow, Noida too gasp for fresh air
India | November 08, 2021 20:59 ISTDelhi-NCR regions including Ghaziabad, Noida, and the national capital itself are under severe category with AQIs above 400. Not only the Delhi-NCR regions but Uttar Pradesh capital Lucknow is also gasping for clean air.