A farmer burns paddy stubble in a farm at a village on the outskirts of Amritsar.

Morning walkers wear pollution masks as thick haze engulfs city a day after Diwali celebrations, in New Delhi.

People walk across a field engulfed in thick haze, in New Delhi.

Commuters drive through heavy smog, a day after Diwali celebrations, in New Delhi.

A train runs through the thick haze, a day after Diwali celebrations, in New Delhi.

Morning walkers wear pollution masks as thick haze engulfs city a day after Diwali celebrations, in New Delhi.

Morning haze envelops the skyline on the outskirts of New Delhi.

A municipal worker with her daughter leaves after sweeping the India Gate area as a thick lawyer of pollution haze hangs a day after Diwali festival, in New Delhi.

Rashtrapati Bhawan, or the Presidential Palace is partly visible due to smog as traffic plies on Rajapth, the ceremonial boulevard in New Delhi. Toxic smog shrouds the capital as a...

Smog envelopes the horizon in New Delhi. With air quality reduced to "very severe" in the Indian capital region, authorities are bracing for a major festival featuring massive fire...

Morning walkers wear pollution masks as thick haze engulfs city, at Lodi Gardens in New Delhi.

Dust rises as municipal workers use brooms to sweep a road on a foggy day in Greater Noida.

Central Public Works Department(CPWD) workers sweep at India Gate Lawns as thick haze engulfs the city, in New Delhi.

A cyclist rides through heavy haze, in New Delhi.

Commuters drive through a heavy haze, in New Delhi. According to the officials, pollution levels have sharply spiked as a thick haze engulfed the national capital, ahead of Diwali,...

A view of the haze engulfed city as air quality deteriorates, in New Delhi. About 44 joint teams from various agencies will be deployed from November 01, 2018, to check air polluti...

Vehicles ply at Rajpath as thick haze engulfs Vijay Chowk, in New Delhi. Delhi's air quality continued to remain in the very poor category as a thick haze engulfed the city which i...

Smoke rises as a farmer burns paddy stubbles at a village on the outskirts of Amritsar. Farmers are burning paddy stubble despite a ban, before growing the next crop.

Students of a fashion institute hold placards during a rally against air pollution 'Be a Part of the Solution Not a part of Pollution', at Dilli Haat, in New Delhi.

Indian fashion students, wearing anti-pollution masks, pose in front of a statue of former Indian president APJ Abdul Kalam for creating awareness on air pollution in New Delhi. Wi...