
The seasonal deterioration of air quality in the NCR in winter is caused by low wind speeds and a shallow atmospheric mixing layer, limiting the dispersion of pollutants and increasing the risk of prolonged episodes of poor air quality.
Air pollution across eastern India and the Indo-Gangetic Plain has worsened sharply over two decades. Bihar and West Bengal are now highly polluted regions. Pollution is spreading from the plains into the Himalayas. India's clean air efforts focus on cities b…
Pollution levels in North India and the Himalayas have risen sharply. Particulate matter pollution increased over 20 percent in the Indo-Gangetic Plain, Himalayas, and North-East India between 2010 and 2019. Biomass burning is the primary driver of this pollu…