Large parts of north India see worst air quality of the season

Shoppers walk in a market, wearing face masks to fight the pollution, in New Delhi, India, Thursday, Oct. 25, 2018. The Indian capital and large parts of north India gasp for breath for most of the year due to air pollution caused by dust, burning of crops, emissions from factories and the burning of coal and piles of garbage.[Photo: AP/Altaf Qadri]