U.S. Air Quality

Unhealthy ozone levels in Los Angeles region and Baltimore; Haze over IN/KY/TN/AL/GA/SC

Today moderate PM2.5 levels (top,left) dominated a significant part of the Midwest and South and California. Ozone levels (top, right) reached up to Unhealthy (code red) in California (LA/Palm Springs region) and also in Baltimore, MD.
HMS fires map is here showing a large area still covered by smoke in Quebec, Canada and also over Tennessee, Kentucky region.
From MODIS Terra true color image a large area covered by haze could be observed (bottom, left) over IN / KY / TN / AL / GA / SC. AOD map (bottom,right) shows high values of AOD over the Southeast and also over Quebec due to the smoke/haze.