July 3, 2017

Saharan Dust and Pacific Southwest Fires

Today we see a mixture of PM and Ozone in Air Quality news (AirNow, top left). Saharan Dust was seen moving over the Gulf of Mexico and along the Southern borders of Mexico and Mississippi Valley States (Copernicus, top right). However, the dust was most dense over the coast of Louisiana (HMS). Multiple fires in the 4 corner states have produced majority centralized smoke over the Pacific Southwest region. The Brianhead Fire, a size of 71,673 acres, contributed to smoke over the regions of Utah, New Mexico and northwestern Arizona. Other fires in the area, including the Goodwin Fire, the Frye fire and the Hilltop fires have contributed to smoke layer in Southern Arizona and New Mexico (HMS, bottom left). It is believed that elevated temperatures, low winds and moderate concentrations of PM have been contributors to the heightened levels of Ozone in the Pacific Southwest region.

Posted by gaduran1 at July 3, 2017 11:18 PM
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