India's Air Pollution Crisis: By the Numbers
HINDUSTAN TIMES VIA GETTY IMAGES
All across India, air quality plummets each autumn starting with the end of the monsoon season. Contributing factors include increased fuel burning, crop burning, and changing weather patterns. Then Diwali celebrations notoriously lead to spikes in air pollution, prompting bans on the sale of firecrackers this year in Delhi-NCR, with mixed results.