May 10, 2012
Smoke over the Dakotas; Asian Dust over the Pacific
Air quality conditions today are similar to those posted yesterday by Ruben. AirNow reported moderate Ozone levels over California pretty much during the entire day with a station reading unhealthy levels for sensitive groups (top left). PM2.5 moderate levels were also reached in California as well as other scattered points in the nation (top right). In terms of fires, HMS reported an elongated thinly dense remnant smoke plume seen in morning satellite
imagery over North and South Dakota and Nebraska (bottom left). Some other small plumes were seen in Minnesota and Wisconsin. Fires in Central America continue emitting large amounts of smoke. NRL Monterrey Modeling shows the presence of smoke dispersed over a significant in Mexico and the Gulf of Mexico (bottom right). Finally, as reported also yesterday, an elongated area of unknown aerosol was seen stretched out across north-central Washington then over northeast Oregon and then curves back south and west across northern California. Aerosol appears to be yet another surge of dust from Asia that tracked across the Pacific.
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