NEW DELHI: Air pollution is the fifth largest killer in India taking 6.2 lakh lives per year and Delhi is among one of the five most critically polluted regions in the country, a study by a US-based health institute has claimed.

The other four most critically polluted regions in the country are Ghaziabad, Gwalior, West Singbhum district in Jharkhand and Raipur, according to the study.

Odisha State Pollution Control Board (OSPCB) has served fresh notice to 23 industries, who failed to install a device for online monitoring of pollution.

Particulate pollution linked with up to 10% increased risk of low-weight babies, international study of 3m births finds

Air quality in Beijing was the "worst on record" on Saturday and Sunday, according to environmentalists, as the city's pollution monitoring centre warned residents to stay indoors with pollution 30

Chinese media said on Monday the government had to take urgent action to tackle air pollution, which has blanketed parts of the country at dangerous levels in recent days, and one newspaper called

Choked in dense smog for three consecutive days, Beijing started emergency response measures on Sunday to curb the air pollution at hazardous levels.