November 5, 2009

Moderate and unhealthy conditions for sensitive groups in a great portion of the country; Hazardous volcano activity in Colombia

October 29, 2009

High AOD levels in Baja California due to dust

October 22, 2009

Unhealthy conditions for sensitive groups in California and unhealthy in Pennsylvania

October 16, 2009

Healthy Conditions Across Most of the U.S.

October 15, 2009

Good air quality conditions over the cloudy country

October 9, 2009

Good Air Quality for Much of the US; Code Orange PM2.5 in California and Oregon

October 8, 2009

Good air quality conditions continue; Smoke over Oregon

October 2, 2009

Good Air Quality Continues for the U.S

October 1, 2009

Good Air Quality conditions over the Country

September 24, 2009

Fires continue but air quality improves in Oregon.

September 23, 2009

Unhealthy PM2.5 levels in Oregon due to Boze and Tumblebug fires. Santa Ana winds next threat to California wildfires.

September 17, 2009

Good air quality conditions over the Nation; Smoke over California, Oregon, and Mississippi River Valley

September 16, 2009

Moderate Air Quality over the Ohio River Valley. Reconsideration of National Smog Standards.

September 10, 2009

Smoke is still Located over the Great Lakes; Good air quality conditions across U.S.

September 3, 2009

Smoke continues over great portion of US and Canada; High Ozone levels in Los Angeles and Houston.

August 27, 2009

FIRES CONTINUE IN LOS ANGELES BUT AIR QUALITY CONDITIONS IMPROVE. DUST AND SULFATE OVER THE EASTERN US.

August 26, 2009

Fires in Angeles National Forest Causing unhealthy Air

June 28, 2009

Haze over Southeast and Unhealthy Ozone AQI Levels in CA

June 17, 2009

Ozone Climatology in the Philadelphia Air Quality Forecast Area: the NOx SIP Controls are Making a Difference

June 7, 2009

New Studies on Health Effects of Fine and Coarse Particle Pollution