Environment ❯ Air Quality

Pollution

Health Effects Air Quality Index Particulate Matter Urban Pollution AQI Smog Air Pollution Health Impact Health Impacts Sources of Pollution

Heat Wave and Ozone Rules Tighten in Mexico as Argentina Faces Severe Storm Alerts

Forecasts cite an anticyclonic ridge and cold fronts 35 and 36 for hazardous winds, extreme temperatures and heightened flooding risk.

Stories older than 24h

Code Orange Air Quality Alerts Remain in Effect Across Southeastern and Central Pennsylvania

Judge Orders DTE to Pay $100 Million for Clean Air Act Violations at Zug Island

Hazardous Dust in California’s Imperial Valley, Orange PM2.5 Advisories in Tuxtla and New York City

Philadelphia Launches Breathe Philly, Citywide Real-Time Air Quality Network

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

Massive U.S. Study Links Fine-Particle Pollution to Higher Alzheimer’s Risk

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

Philadelphia Issues Smoke Advisory for Grays Ferry After Transfer-Station Fire

Regional Weather Divide: Cold Front Hits Northwest Mexico as Argentina and Spain Issue Storm Warnings

Arlington Odor Traced to Maintenance-Related Mercaptan Release, Not Gas Leak

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

Stagnant Air Prompts Ongoing Advisories in Oregon, Idaho and Arizona

Bay Area Issues Thursday Spare the Air Alert, Bans Wood and Solid-Fuel Burning

Southern California Air Quality Alerts in Effect as No-Burn Rule Is Enforced

San Diego County Approves $8.75 Million Plan to Tackle Tijuana River Sewage Crisis

No Acute Risk Found After Electrical Failure Triggers Flaring at Martinez Refinery

USC Satellite Study Links EV Uptake to Cleaner Neighborhood Air in California

Study Finds Home Wood Heating a Major Winter Polluter Linked to 8,600 U.S. Deaths

Study Links Third-Trimester Wildfire Smoke to Higher Autism Risk in Southern California Births