May 31, 2010

Smoke causing unhealthy levels (code RED) of PM2.5 in the Northeast

The smoke produced by the Quebec fires we showed yesterday caused unhealthy air quality today in most of the Northeastern states (top, left). Click here to see a table of the worst AQI as of 10:50pm EDT from AIRNow website.

PM2.5 concentration (top, right) in the Great Lakes and Mid-Atlantic States stayed in the moderate to unhealthy - code orange. The levels in Oklahoma were better today and the monitors in Texas were off today. In Kentucky, one station recorded unhealthy levels today (code orange-red). Ozone levels were still in the moderate-unhealthy range in Wisconsin, in the Mid-Atlantic, Northeast and Southern California.

MODIS shows us the smoke and high AOD over the Northeast as well as offshore. On the left hand side is Aqua RGB + AOD and on the right hand side is Terra RGB + AQI.

As reported by the HMS team at NOAA, the fires in Alaska continue to produce smoke and MODIS Terra confirms it.

Posted by Patricia Sawamura at May 31, 2010 11:21 PM
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