Delhiites woke up on Thursday to a thick envelope of smog as air quality in the national capital and in adjoining regions, dipped into severe category again.
The amount of air pollutants present in the valley’s air is often multiple times higher than what the World Health Organization (WHO) categorizes as healthy.
All schools will be shut in the Indian capital New Delhi for a week in the wake of current "Severe" levels of air pollution, Delhi Chief Minister Arvind Kejriwal said on Saturday.
Pakistan's Lahore has been declared the most polluted city globally after the city recorded its highest ever smog levels as the Air Quality Index (AQI) went above 700, reported a local media.