Air Quality

Pollution Pollution Control Air Quality Index AQI Smoke Pollution Pollution Sources Pollutants Air Pollution Wildfires Pollution Levels

Bay Area Issues New Year’s Day Spare the Air Alert, Bans Wood Burning and Urges No Fireworks

Officials cite light winds with lingering moisture expected to trap smoke despite forecast rain.

States Secure $149.6 Million Mercedes Diesel Settlement Tied to Consumer Relief

Haverhill Residents Decry Doughnut Odor From Dunkin’s Largest U.S. Bakery as City Delays Permit Vote

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

Kīlauea Marks One Year of Eruption With 39th Summit Fountaining Episode Reaching 1,400 Feet

Air-Quality Alerts Cover L.A., Orange, Riverside and San Bernardino Through Monday

South Coast AQMD Extends No-Burn Order as NWS Keeps Air-Quality Alerts Through Monday

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

EPA Launches Clean Air Act Hub to Speed Permits for Data Centers and AI Facilities

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

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

Code Orange Air Quality Alert in Susquehanna Valley Today Through Midnight