Source: Respirer Reports
Gwalior is the tenth most polluted city in India with a PM2.5 concentration of 71.8 micrograms/cubic metre (μg/m3).
West Bengal's Asansol is the ninth most polluted city in India with a PM2.5 concentration of 74 μg/m3 between October 2022 to September 2023.
West Bengal's Asansol is the ninth most polluted city in India with a PM2.5 concentration of 74 μg/m3 between October 2022 to September 2023.
Meerut ranks as the seventh most polluted city with a PM2.5 concentration of 76.9 μg/m3.
Despite showing an improvement of 25%, Ghaziabad ranks as the sixth most polluted city. It recorded a PM2.5 concentration of 78.3 μg/m3.
Another NCR city makes the list. Noida is the fifth most polluted city in India recording a PM2.5 concentration of 79.1 μg/m3.
Ranked as the fourth most polluted city in India, Faridabad recorded a PM2.5 concentration of 89 μg/m3.
With a deterioration of almost 9% in air quality over the previous year, Muzaffarpur ranks as the third most polluted city with a PM2.5 concentration of 95.4 μg/m3.
Patna, though in second place with 99.7 μg/m3, saw a 24 per cent deterioration in air quality from October 2022 to September 2023.
The national capital tops the chart as the 'most polluted city' with a PM2.5 concentration of 100.1 μg/m3.