Environment ❯ Air Quality ❯ Pollution

Wildfire Smoke

Health Effects Health Risks Health Impacts Health Advisory Toronto Canadian Wildfires Impact on Health Health Advisories Advisories Health Alerts Northern California Ozone Levels Canada Wildfires New York City

MPCA Projects Active Summer for Minnesota Air Alerts

A strong El Niño sets up warmer, drier weather that favors pollution.

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

Scattered Storms Linger Through Saturday in Chicago

Canadian Wildfire Smoke Triggers Health Alerts Across North America

Canadian Wildfires Send Smoke Across U.S., Prompting Widespread Health Advisories

Chicago to Heat Up Near 90°F Before Showers and Midweek Cooldown