U.S. Air Quality

Poor Air Quality due to the fires; Smoke over the Atlantic coast

AirNow reported today good Ozone levels in most of the country although moderate levels were read in most of the Atlantic, Northeast and part of the Great Lakes regions (top left). In contrast, PM2.5 unhealthy levels were reached in different states mainly due to the fires in west. Moderate levels were also recorded in the Great Lakes and part of the Mississippi Valley regions (top right). Hazard Mapping and Smoke continue to report several fires and smoke in west and east US (middle left). In the northwest, an elongated area of remnant smoke can be seen stretching from northern Idaho, west across portions of central and northern Washington and finally stretching out over the Pacific Ocean. Modis true color image shows the smoke plumes over the pacific as well as over Washington, Oregon and Idaho (middle right). Moreover, smoke from fires in the east coast mixed with remnant smoke from the fires in the west has been detected along the Atlantic coast extending from North Carolina up to Canada (middle left). Lidar observations at UMBC detected this stratified aerosols extending up to 6km (bottom).