Breathing unclean air is equally bad as smoking. Firdaus Latif (Wikimedia) International
How useful is the air quality index?
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There has been a five-fold increase in the number of poor visibility days in the Indo-Gangetic Plain in the past 40 years. Varshesh Joshi via Unsplash International
What’s inside northern India's winter smog?
Abhishek Mishra & Vinayak Sinha 2024-01-08 08:53:14
A man talks on his phone as he looks through the haze at the George Washington Bridge in Fort Lee, New Jersey, Wednesday, June 7, 2023. AP/RSS Photo International
Millions breathing hazardous air as smoke from Canadian wildfires streams south over US
AP 2023-06-08 08:34:00