Swiss air quality tech firm and AirVisual operator
Canadian wildfire smoke is spreading toward the Great Lakes and Northeast, pushing air quality into unhealthy ranges. Officials warn residents to stay indoors, wear masks where needed, and prepare cooling options as heat intensifies.
Wildfires across western Ontario have sparked a heat dome and are sending smoke toward the Great Lakes and northeastern US. Air quality in Toronto, Detroit and Minneapolis ranks among the worst in the world, prompting officials to issue warnings and distribute masks as residents face health risks.
Smoke from hundreds of active wildfires in Canada has blanketed large parts of the US Midwest and Northeast and made air quality hazardous in cities including Detroit, Chicago and New York. Authorities have issued health alerts, opened cooling centres and distributed masks; officials expect rain to disperse some smoke but warn that pollution will linger in the Upper Midwest.
Wildfire smoke from Canadian fires is driving hazardous air across multiple U.S. states. Health officials urge people to stay indoors and protect indoor air quality, with guidance on HVAC use and DIY filters. Experts warn that smoke can affect the heart, brain and pregnancy, and that air quality can remain poor for days.
Wildfire smoke from Canadian fires has blanketed the northeastern United States, affecting air quality ahead of the Spain-Argentina final in East Rutherford. Rain and thunderstorms are forecast to improve conditions, but health warnings remain in place for players, fans and residents.
Wildfire smoke from Canadian and U.S. fires has created unhealthy air across the Midwest, Northeast and beyond. Official alerts urge residents to stay indoors as air-quality deteriorates. Climate-linked fires are intensifying, with conditions likely to persist and spread smoke further south and east.
Wildfire smoke from Canadian fires continues to affect the US Midwest and Northeast, with air quality remaining unhealthy in several cities. Authorities warn that smoke will transport east and south in coming days, and residents are advised to limit outdoor activity and seal homes where possible.
Since early 2026 wildfires have scorched hundreds of thousands of hectares across Indonesia, concentrating on Borneo (Kalimantan). A powerful El Niño and prolonged dry conditions have driven deep-burning peat and forest blazes that have sent hazardous haze into Malaysian Borneo and Singapore, closed schools and prompted arrests and troop, helicopter and cloud‑seeding deployments.