Weather ❯ Air Quality

Wildfire Smoke

Forecast Visibility Issues Northeastern US Canada Ozone Levels U.S. States Environmental Effects Northeast Ohio Effects Health Advisories Health Alerts Impact on Weather Environmental Impact Seasonal Changes Health Impact Forecasts Great Lakes Region Impact on Health Northeastern United States Health Effects Health Advisory

Extreme Heat and Fire Warnings Grip Colorado as Weekend Cooldown Nears

Cooling centers are open under heat advisories, red flag warnings, degraded air quality to offer relief before a forecast 10°F weekend cooldown.

Wildfire Smoke Triggers Air Quality Alerts in Canada and U.S.

Steady Rain Breaks Chicago’s 62-Day Dry Spell

Northeast Ohio Heats Up to Mid-80s Ahead of Storm Threat