August 14, 2014

Smoke over Central U.S., Fires in West

The EPA AQI loop, below left, shows the area of Unhealthy AQI in central Idaho present in the early morning before dropping to Moderate by mid-morning and disappearing entirely partway through the afternoon. There are additional patches of Moderate AQI through the Pacific Northwest, Pacific Southwest, southern Plains States, Mississippi Valley, Southeast, and Mid-Atlantic, with some spots in North Carolina and along the Texas-Oklahoma border reaching Unhealthy for Sensitive Groups. The HMS smoke product, below right, shows smoke covering the Plains, Great Lakes, ,Mid-Atlantic, and Northeast, which may account for some of the elevated AQIs.

The MODIS Aqua image of north-central California below shows a closer view of one of the smoke plumes visible in the HMS image above, spreading eastward from the Lodge Complex fires.

In another closer look, the webcam image below on the left is from Boundary Waters Canoe Area Wilderness in northeast Minnesota, which appears rather more hazy than the image on the right, taken in clear conditions.

Posted by Daniel Orozco at August 14, 2014 11:59 PM
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