India, March 3 -- Delhi is enjoying a long spell of good air. But for large chunks of the year, the air pollution gets so bad that construction has to be stopped, schools have to be closed, and the city experiences pandemic levels of pollution sickness causing people to seek medical assistance and miss work.

A study published in The Lancet Planetary Health highlights that states such as Uttar Pradesh, Bihar, and Rajasthan, with lower per-capita GDPs, face the largest economic losses due to poor air quality. Further, according to the Reserve Bank of India, by 2030, as much as 4.5% of India's GDP could be at risk due to lost labour hours resulting from climate crisis-related issues, including extreme heat and air pollution. Another study in ...