February 4, 2012

Poor air quality persists in the Pacific Northwestern States; Moderate levels of PM2.5 in the Midwest and Mid-Atlantic

Moderate to Unhealthy (code red) levels of PM2.5 were observed today in Oregon while other neighbor states - California, Washington and Idaho - experienced PM2.5 levels that ranged from moderate to unhealthy for sensitive groups (code orange).

Moderate levels were also observed over the Midwest and Mid-Atlantic. In Baltimore (top, right) the Maryland Department of the Environment (MDE) predicts an increase on particulates after Monday due to a high pressure system that is supposed to build back between Monday and Tuesday.

HMS at NOAA reported a number of fires in Georgia but with no accounts of smoke. Clouds covered good part of Central and Eastern US today (bottom, left). Georgia and Florida were the only states in the East that were not covered by clouds during MODIS overpass and elevated AOD was retrieved over that region (bottom, right). It is likely however that there is significant cloud contamination in those retrievals.

International News: On February 1st, the India Ink Blog in the New York Times published an article about a study that ranked India as having the worst air quality in the world. The study was released during this year's World Economic Forum in Davos and India comes first out of 132 countries that were surveyed. Read more here.

Posted by Patricia Sawamura at February 4, 2012 11:59 PM
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