Air Quality

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

Judge Reaffirms Order to Resume N.H. Vehicle Inspections as State Maintains Suspension

The order keeps the inspection mandate in force pending a lengthy EPA review.

Oil Sheen Reported in Codorus Creek After Massive J&K Salvage Fire in York County

Two Hospitalized in Life-Threatening Carbon Monoxide Leak at Plymouth, N.H., Condo

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

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

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

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

Gas Line Explosion Closes Ellsworth–State Roundabout on Ann Arbor–Pittsfield Border

U.S. Gas Stays Near 4-Year Low as California Premium Grows on Taxes, Summer Fuel Shift

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

EPA Clarifies Clean Air Act Supports Farmers’ Right to Repair Nonroad Diesel Equipment

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

New Hampshire Extends Inspection Deadlines After Federal Order Keeps Program in Place