Environment ❯ Air Quality ❯ Pollution ❯ Particulate Matter

Health Effects

Canadian Wildfire Smoke Chokes U.S. Cities, Triggers Widespread Health Alerts

Forecasters say an approaching front could bring short relief to hazardous air.

Stories older than 24h

Boyle Heights Warehouse Fire Triggers Large-Scale Cleanup and Closure Demands

Huge Tire Fire in Houston Exposes Missing Permits and Longstanding Legal Troubles

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

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

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

Salt Lake City Leads U.S. Air Pollution for Second Day as Inversion Persists

Arizona Opens New Year Fireworks Window With Strict Limits on Devices, Hours and Locations

India–South Africa 4th T20I in Lucknow Called Off Due to Dense Fog

Cornell Study: PM2.5 Fell 22% in Manhattan’s Congestion Zone in First Six Months

Code Orange Air Quality Alert in Susquehanna Valley Today Through Midnight

New Studies Tie Fine Air Pollution to Worsening Alzheimer’s Pathology and Increased Hospitalization for Lewy Body–Related Dementia

New National Map Links U.S. Animal Feeding Operations to Elevated PM2.5 Levels and Vulnerable Communities

Canadian Wildfire Smoke Extends Air Quality Alerts Across Midwest and Northeast

Wildfire Smoke Triggers Widespread Air Quality Alerts Across Upper Midwest