Good AQI were experienced in the Mid-Atlantic States according EPA’s Airnow (top left image). PM2.5 concentrations in Maryland have decreased throughout the day, and ranged between 4 -22 ug/m3 (top right image). MODIS Terra AOD product for this region confirms…

View original here:
Clear Skies and Good AQI over the Mid-Atlantic States

It was Code Green (Good) air quality from coast to coast today, with only a few scattered areas of Code Yellow (Moderate) conditions. Today’s Terra MODIS true color image, overlaid with AQI values (below on upper left) shows the widespread…

See original here:
Another Good Air Quality Day; Fire Activity Picks up in Central America

Moderate PM2.5 AQI (top left image) levels experienced today in Oklahoma, Iowa, Wisconsin, Minnesota and western Illinois were due to a strong overnight temperature inversion caused by the surface high-pressure system, (top right image, Google Earth overlay of “true” color…

Originally posted here:
Moderate AQI in Central US and Air Quality Advisory Day in Minnesota

Today, not much activity in the air quality conditions over the country (left). As it is shown in the AQI animation image, courtesy of Airnow, most of the country read good AQI levels. Only few states reached moderate levels and…

Read the original:
Good Air quality over the country

Air Quality for Washington and Oregon (shown in the regional AQI animation (left image courtesy of Airnow) improved in the northwestern United States as a Pacific storm system moved through the region. In the Ohio River Valley improvement in the…

Here is the original post:
Air Quality Improves in the Pacific Northwest and Ohio River Valley