Talcher, Rourkela among 10 most polluted Indian cities

Talcher and Rourkela are among the 10 most polluted cities in India, according to a new analysis.

- PRESS TRUST OF INDIA

Byrnihat, located on the Assam-Meghalaya border, ranked as the most polluted city in the country in the first half of 2025 while Delhi stood a distant second, according to the analysis by independent research organisation Centre for Research on Energy and Clean Air (CREA).

Byrnihat recorded an average PM2.5 concentration of 133 micrograms per cubic metre, while Delhi's PM2.5 levels reached twice the national ambient air quality standard at 87 micrograms per cubic metre.