Weather ❯ Air Quality

Alerts

Health Implications Health Impacts Health Effects Public Safety Health Recommendations Health Risks Health Guidance Ozone Levels Forecasts Health Precautions Health Advisory Wildfire Smoke Air Quality Alerts Sensitive Groups Chicago Regional Impact Statewide Alerts Pollution AQI Levels Public Health Smoke Levels Wildfires Spare the Air Severe Weather Environmental Issues Imperial County Southern Colorado Safety Guidance Pollution Levels Dust Conditions Wisconsin Sensitive Categories Smoke Advisory Environmental Conditions Code Orange Health Advisories

Air-Quality Alerts in Effect for Susquehanna Valley and Southern California

Officials warn sensitive groups could face unhealthy conditions.

Air Quality Alerts Cover Capital Region and Mohawk Valley Through Thursday Night

Code Orange Air Quality Alerts Continue in Parts of Pennsylvania, Extending Into Thursday in Some Areas

Code Orange Air Quality Alerts in Effect for Allegheny County and South-Central Pennsylvania Through This Evening

Air Stagnation Persists Across Oregon as NWS Adds Dense, Freezing Fog Advisories

Los Angeles County Added as Southland Air-Quality Alerts Continue With No-Burn Order

L.A. County Air Quality Alert Extended Through Tuesday as No‑Burn Order Continues

Air Quality Alerts in Southern California With No-Burn Order in Effect

Code Orange Air Quality Alert in Susquehanna Valley Today Through Midnight

Southern California Air Quality Alert Extended Into Saturday With No-Burn Day In Effect

Code Orange Air Quality Alert Issued for Greater Pittsburgh Today

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

Smoke and Ozone Alerts Through Monday in Oregon as Flat Fire Drives Unhealthy Air

Lingering Showers and Flood Watches Sweep Chicagoland Early Sunday

Canadian Wildfire Smoke Sustains Unhealthy Air Quality in Midwest and Northeast

Canadian Wildfire Smoke Extends Air Quality Alerts Across Midwest and Northeast

Midwest Remains Under Air Quality Alerts as Canadian Wildfire Smoke Lingers

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

Wildfire Smoke Triggers Widespread Air Quality Alerts Across Upper Midwest

Rain Eases Drought in Chicago as Fog and Wildfire Haze Linger