June 18, 2017

Smoke and Dust in the Pacific Southwest Cause Elevated AOD

Ozone AQI was mostly low throughout the weekend, except for southern California, which reached unhealthy conditions (red), and New Mexico, where it was unhealthy for sensitive groups (orange) (AQI, top left). The HMS product in the top right shows the results of several active wildfires in New Mexico and Arizona producing heavy, medium and light density smoke. In addition, numerous wildfires in Mexico have produces a large area of remnant smoke. The heavy smoke in New Mexico is visible on NASA WorldView (bottom left). This smoke as well as dust (likely from the Chihuahua desert) is probably the cause of elevated AOD in the Pacific Southwest shown by the VIIRS image in the bottom right.

Posted by ben48 at June 18, 2017 11:21 PM
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