Kol AQI a worry, Bengal breathes easy: Study | Kolkata News
The city’s average PM2.5 concentration remained above India’s prescribed standard through Jan-June Kolkata: Kolkata bucked West Bengal’s broader trend of improving air quality in the first half of 2026, recording a rise in fine particulate pollution even as Howrah, Asansol, Durgapur and Barrackpore registered significant declines, finds an analysis by an independent research organisation, Centre…