Delhi

PM 2.5 Level: 102 Details: Delhi tops the list as the most polluted city, with PM 2.5 levels reaching a high of 102 in 2023.

Patna, Bihar

PM 2.5 Level: 89.5 Details: Patna ranks as the second most-polluted city in India, with PM 2.5 levels recorded at 89.5.

Faridabad, Haryana

PM 2.5 Level: 87.9 Details: Faridabad in Haryana records a PM 2.5 level of 87.9, placing it third on the list.

Muzaffarpur, Bihar

PM 2.5 Level: 83.6 Details: Muzaffarpur in Bihar records a PM 2.5 level of 83.6, making it the fourth most polluted city.

Noida, Uttar Pradesh

PM 2.5 Level: 83.6 Details: Noida, located in Uttar Pradesh, also records a PM 2.5 level of 83.6.

Meerut, Uttar Pradesh

PM 2.5 Level: 81.2 Details: Meerut, near Noida, records a PM 2.5 level of 81.2, ranking sixth in pollution levels.

Ghaziabad, Uttar Pradesh

PM 2.5 Level: 78 Details: Ghaziabad in western Uttar Pradesh records a PM 2.5 level of 78.