The Tamil Nadu government has been punching the air since ordering the “permanent closure” of Sterlite Copper smelter in Tuticorin on Monday, but legal experts say the grounds of the order are so w

The mayor of London, Sadiq Khan, has announced a £1m fund to help tackle air pollution in schools. Photograph: Stefan Rousseau/PA Images

The study said particles deposited on or in the vicinity of the road may be re-entrained or resuspended into air through vehicle-induced turbulence, shearing stress of tyres and high windspeed.

Calcutta: The city had the highest rate of rise in the level of PM 2.5, an ultra-fine toxic pollutant, among the metros between 2014 and 2016, according to a World Health Organisation report.

JAIPUR: When the city woke up on Tuesday morning, the Particle Matter (PM) 10 (particles smaller than 10 microns) and PM 2.5(particles smaller than 2.5 microns) level was as high as 313 µg/m³(micro

The far-reaching efforts were simultaneously directed to prevent pollutants coming from vehicular sources, construction activities, burning crop residue and biomass.

Delhi, Kanpur and Varanasi are among the 14 most-polluted cities in the world, a new WHO report released today said even as environment and health experts sounded an alarm about the severity of the

The National Green Tribunal (NGT) on Thursday directed six northern State Governments to respond to a recent World Health Organisation (WHO) report on 20 most-polluted cities in the world.

DELHI: The national capital ranked sixth in terms of PM 2.5 with an annual average of 143 µg/m3 in 2016.