U.S. Air Quality

Good air quality throughout the south, scattered moderate in the North

A large system bring gulf coast humidity and precipitation up through the US east is keeping widespread cloud cover over much of the nation and low aerosol content in the south. The US image is shown on the left. The next three panels focus on the midwest, northeast and California.

Weekly Summary: Fires in the southeast were seen in Tuesday and Wednesday posting. Jill weighed in with real smoke observations from Malaysia. Posted by Ray Hoff at March 14, 2009 6:27 PM