Rim Fire continues to headline on the Smog Blog. As Ray indicated on his post, as of last Friday 80% of it was contained. The cause of the fire is still under investigation. The latest info on this fire can be found on its own blog. Information is posted and hosted on this site by Public Information Officers assigned to California Interagency Incident Management Team 1 that is currently delegated authority to manage the fire under Unified Command with CalFire. The smoke from this fire is impacting the AOD retrievals, as shown in today's MODIS Aqua retrieval (top left image), and the air quality over the region (top right Airnow animation). Code Yellow to Red (Moderate to Unhealthy) PM2.5 concentrations were reported in the vicinity of Yosemite National Park.
An area of light density smoke was visible moving westward in the greater area of the central US due to the agricultural burns taking place in Kansas/Mississippi River Valley region. Smoke extends through Texas, Arkansas, Oklahoma, Missouri, Kansas, Nebraska, Iowa, and Illinois. AOD values of 0.4-0.6, were reported by MODIS over this region. Moderate PM2.5 concentrations were reported in the Southeastern United States.