Environment ❯ Air Quality

Pollution

Health Effects Air Quality Index AQI Particulate Matter Urban Pollution Health Impact Smog Air Pollution Wildfires Monitoring

Widespread Indonesian Fires Send Hazardous Haze Over Borneo and Malaysia

Early September readings show dangerous air and stretched firefighting as a peak El Niño risks a longer, harder-to-control season.

EPA Issues Emergency Waiver to Allow Earlier Higher‑Volatility E10 Sales

Study Finds London's ULEZ Associated With Faster Lung Growth in Children

NYC Health Report Finds One Year of Congestion Pricing Did Not Change Citywide Air Quality

Saharan Dust Moves Into San Antonio, Expected to Worsen Air Quality

Boyle Heights Warehouse Cleanup Nears Mid‑August Deadline After Massive June Fire

Saharan Dust Plume Expected to Reach Florida; Disney World Reports No Operational Changes

Mount Etna Eruption Forces Catania Airport to Suspend Arrivals

D.C. Fourth of July Fireworks Certified World’s Largest

Winds Clear Seattle Smoke as Spokane Fires Move into Mop-Up and Arson Suspect Is Charged

Wildfire Smoke Now Drives Most Unhealthy Prenatal Air-Pollution Days in U.S.

Phoenix Hit Twice This Week by Rare Category 5 Haboobs

Air Board Orders Lineage to Speed Cleanup of Boyle Heights Warehouse

BWF Gives Indira Gandhi Stadium Provisional Clean Bill Ahead of World Badminton Championships

Northwest Wildfires Send Smoke Across U.S. and Canada, Triggering Local Advisories

Hoy No Circula Operated Normally as July 30–31 Restrictions Target Specific Sticker Colors

Ültje Nut Factory Fire in Schwerte Contained After Large Nighttime Response

Lung Cancer Becomes India’s Deadliest Cancer

Castilla y León Advises Limiting Outdoor Activity After Wildfire Smoke Raises Pollution

Monsoon Delivers Localised Heavy Rain in Delhi as Short Heat Spike Is Forecast