Reporter Tim Sheehan of the Fresno Bee took this photo through the NASA P-3B's cock-pit window as they flew over Fresno, Calif. on Jan. 22, showing a very hazy atmosphere over the area. Sheehan ...

On January 16, 2013, the DISCOVER-AQ team kicked off the California 2013 campaign with their first science flights and ground measurements in California's Central Valley. DISCOVER-AQ is a field ...

Two NASA research planes are flying between Bakersfield and Fresno in January and February 2013 – one as close as 1,000 feet to the ground – to measure air pollution with a number of onboard science ...