Air Quality

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

Trump Revokes California Truck Emission Waivers as China Accelerates Electric Truck Lead

California has sued to reverse the decision, arguing it represents federal overreach that threatens public health

Stories older than 24h

xAI Wins Permit to Operate Gas Turbines at Memphis Supercomputer Site

Falcon 9 Delivers Europe’s MTG-S1 and Sentinel-4 to Geostationary Orbit

NASA Student Airborne Program Continues Low-Altitude Flights Over Philadelphia and Baltimore

Supreme Court Grants Fuel Producers Right to Sue Over California Emissions

NASA to Launch Student Airborne Research Flights Over East and West Coasts

NAACP Sets 60-Day Deadline for xAI to Address Memphis Data Center Pollution

Supreme Court Sends EPA State-Plan Challenges to Regional Appeals Courts

Emergency Crews Contain Marathon Oil Refinery Fire in Texas City

Trump Revokes California’s Emissions Waiver, Prompting Multistate Lawsuit

Scattered Storms Linger Through Saturday in Chicago

Canadian Wildfires Send Hazardous Smoke Across Northern U.S., Prompting Widespread Air Quality Alerts

Wildfire Smoke Triggers Air Quality Alerts in Canada and U.S.

CAQM Imposes Stage I Air Quality Restrictions in Delhi-NCR

Canadian Wildfire Smoke Triggers Health Alerts Across North America

Italy Braces for Weeklong Sahara-Fueled Heatwave

Rain Eases Drought in Chicago as Fog and Wildfire Haze Linger

South Coast Air Quality Board Rejects Gas Appliance Phase-Out Plan

Fire at Philadelphia’s SEPTA Midvale Depot Damages Dozens of Decommissioned Buses

Canadian Wildfires Force 30,000 to Evacuate and Spread Smoke Across Third of U.S.