Pollution had reached such dangerous levels that Delhi schools would be closed for the first time in history. For years, she had been warning that this day would come. But seeing it unfold in ...

Delhi's air pollution is more severe than estimated due to the undercounting of PM1 pollutants by up to 20%, exacerbated by hygroscopic growth. This underestimation is most severe during winter ...

hotels and Delhi airport to install anti-smog guns and gadgets to control pollution, he said. The public health crisis has grown steadily worse over the years and weeks-long school closures across the ...

Cars more than 15 years old will soon be barred from refuelling in New Delhi, the city's government said Saturday, as part of measures to reduce the Indian capital's hazardous pollution levels.