LIVE: Air quality begins to improve, but smoke from Canadian wildfires lingers over Northeast
LIVE: Air quality begins to improve, but smoke from Canadian wildfires lingers over Northeast
Smoky Haze Blanketing U.S., Canada Could Last For Days As Wildfires Rage
LIVE: Air quality begins to improve, but smoke from Canadian wildfires lingers over Northeast
Satellite Images Show Canadian Wildfire Smoke Enveloping US East Coast As Air Quality Deteriorates
Air quality – live: New York hits pollution record as Canada wildfire smoke disrupts airports and cancels MLB
New York City covered in smoke as wildfires in western US send haze across the country
Canada's wildfires drive intense smoke across NYC and eastern US
Canada wildfire smoke live updates: Worst air in years hits Washington DC and Philadelphia - BBC News