Toxic smog is overwhelming hospitals in Pakistan's Punjab province, with over 1.91 million respiratory illness cases reported in the past month. Lahore, the worst-hit city, is grappling with hazardous air quality,

India's capital city of Delhi has virtually shut down as air pollution hit "severe plus" levels, according to Indian government officials in its pollution control authority.

India’s capital region, Delhi, has virtually come to a halt as air pollution levels reached a “severe plus” category, creating what officials have described as a public health emergency.