Gurgaon was India's most polluted city in March, with Haryana accounting for four of the country's 10 most polluted cities, according to a new report by the Centre for Research on Energy and Clean Air (CREA).

The other cities in the top 10 polluted list for March were Bahadurgarh, Faridabad, Singrauli, Mandideep, Ghaziabad, Manesar, Bhiwadi, Noida and Nandesari. For the entire financial year 2025-26, Ghaziabad was the most polluted city. "Gurgaon was India's most polluted city in March, with a monthly average PM2.5 of 116. Haryana accounted for four of India's top 10 most polluted cities, followed by two cities each from Madhya Pradesh and Uttar Pradesh, and one each from Rajasthan and Gujarat.