December 11, 2016

Wildfires in Tennessee Potentially Cause for Elevated PM

The AirNow PM2.5 loop shows various areas of code orange (unhealthy for sensitive groups), as well as code red (unhealthy) (top left) in California and Tennessee, and briefly in Idaho and Nevada. The elevated PM levels in Tennessee may be linked to two wildfires that have together burned over 17,000 acres. The HMS smoke product shows no significant areas of smoke, but significant smoke may still exist covered by heavy clouds. Heavy clouds can be seen in the top right (NASA WorldView). Sulfate levels were particularly high throughout the US (NAAPS image, bottom)

Posted by ben48 at December 11, 2016 8:30 PM

In TN, we are not sure if we trust the PM2.5 data that we are reporting from our TEOMs to Airnow. There are no reports of smoke and the Forest Service's mobile monitors near those two large fires are reporting low levels of PM2.5.

This is been a problem for us ever since we had legitimate smoke impacts at our monitors.

We also have plans to replace all our TEOMs with better equipment, so hopefully that will clear the air.

Posted by: Kyle at December 12, 2016 1:16 PM
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