Letter to state's principal secretary said, 'necessary modifications may be made in the pollution under control certificate ...

New research shows that air pollution in Kolkata becomes highly toxic when PM2.5 levels cross 70 µg/m³, urging stronger ...

Kolkata: Debris and other waste, including plastic, is frequently found to be burned along the canal bank road close to Biswa ...

Ballygunge had the highest pollution levels and the most number of bad air days. KOLKATA: Kolkata's air quality improved this winter with the average PM2.5 concentration dropping to 65 micrograms ...

The findings are both alarming and informative. The study demonstrated a non-linear relationship between PM2.5 concentration and its oxidative toxicity.

A groundbreaking study by researchers at the Bose Institute has revealed that the toxicity of PM2.5 ultrafine air pollutants harmful to human health shows a sudden and dangerous spike once it crosses ...