Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...

The current rankings indicate that Detroit is more polluted than Kolkata, one of India's largest cities, and every other city ...

The summer of 2025 has brought some of the worst air quality ever recorded to large parts of the United States. Cities across ...

The "unhealthy" air, which ranks as level four of six on the Air Quality Index, comes after multiple consecutive days of air quality alerts.

Smoke from Canadian wildfires hovered over several Midwestern over the weekend, bringing warnings of unhealthy air for at ...

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality across the Midwest and northeast US and Toronto to unhealthy levels.

The smoky air is predicted to reach New York City on Monday, and it could bring unhealthy air quality for sensitive groups.

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.

Most of the Chicago area remains under an Air Quality Alert this weekend due to smoke from Canadian wildfires.

Smoke from raging wildfires in Canada is causing air quality alerts to blanket the Midwest. Lissette Nuñez is live from Chicago's Lollapalooza music festival.

Chicago's Air Quality Alert continues due to Canadian wildfire smoke, with health advisories for sensitive groups amidst ...