Environment ❯ Air Quality ❯ Pollution

Wildfire Smoke

Health Effects Health Risks Health Impacts Health Alerts Health Advisory Advisories Toronto Impact on Health Canadian Wildfires Health Advisories Ozone Levels Prenatal Exposure Northern California Regional Effects Alerts Massachusetts Wisconsin Health Impact Health Recommendations Indoor Air Quality Monitoring Tools

Wildfire Smoke Now Drives Most Unhealthy Prenatal Air-Pollution Days in U.S.

Growing wildfire smoke erodes clean-air gains, demanding updated monitoring, targeted public-health resources, and geographic prioritization.

Chicago Region Under Air Quality Alert as Second Wave of Canadian Wildfire Smoke Lingers

Cedar Point Cancels Boardwalk Nights as Canadian Wildfire Smoke Forces Regional Park Closures

Canadian Wildfire Smoke Chokes U.S. Midwest to Northeast

Canadian Wildfires Send Hazardous Smoke Over U.S. Midwest and Northeast

Smoke From Canadian and Minnesota Wildfires Drives Hazardous Air Across 17 States

MPCA Projects Active Summer for Minnesota Air Alerts

UW Study Finds Wildfire Smoke Linked to Declines in Sperm Quality

Bay Area Issues Air Quality Advisory as Oregon Wildfire Smoke Reaches San Francisco

Multi-State Air Quality Alerts Urge Drivers to Stay Off Roads as Ozone, Smoke Spike

Smoke From Gifford Fire Triggers Bay Area Air Quality Advisory

Heat and Wildfire Smoke Keep Multi-State Air Quality Alerts in Effect

Wildfire Smoke From Canada Triggers Minnesota Air Quality Alert and Travel Advisories

Midwest Remains Under Air Quality Alerts as Canadian Wildfire Smoke Lingers

High Pressure Ushers in Mild, Dry Weekend for Northeast Ohio

Smoke From Canadian Wildfires Keeps Minnesota and Michigan Under Air Quality Alerts

Wildfire Smoke Triggers Widespread Air Quality Alerts Across Upper Midwest

Containment Rises on Western Slope Wildfires Despite Forecasted Storms

Dangerous Ozone Levels and Wildfire Smoke Keep Air Quality Alerts in Effect

Bay Area Air Clears as Minnesota Stays Under Statewide Smoke Advisory