Canadian Wildfire Smoke blankets N. American regions

 AIR QUALITY ALERTS

Fire areas of Western Ontario, Manitoba, Saskatchewan

243 Air Quality warning areas across Canada;

the American states of

Minnesota, Iowa, Wisconsin, Michigan,

have air quality alerts

also affected are parts of Pennsylvania,

New York, Maine

nytimes.com/2025/06/04/weather/air-quality-wildfire-smoke-sahara-dust.html