ST. PETERSBURG, Fla. — As northeast states deal with the haze and smoke from Canadian wildfires, air quality has reached hazardous levels in New York and Pennsylvania prompting many to put on pandemic ...
Even as Delhi's outdoor Air Quality Index continues to hover in the 'Severe' category - with November 2025 averages ranging drastically from 382 to 558, registering PM2.5 levels up to 20 times the WHO ...