The Smog Blog hits the double digit mark. Ten years ago the first blog post was made by Jill Engel Cox. Congrats and many thanks to smog bloggers of past and present for a decade of posts and educating of us all in remote sensing and air quality topics.
Today's MODIS Aqua AOD (top left image) retrieval shows an area with values ranging 0.4-0.6 between the Texas-Mexico border. The particles that yielded these AOD values are most like to be aloft as the PM2.5 concentrations over this location where Good throughout the day, as shown in EPA's Airnow animation (top right image). NRL NAAPS aerosol model only shows locations north of Texas being impacted by dust and sulfate aerosols. Ozone concentrations were also Good throughout the nation, with Moderate ozone AQI levels reported in the afternoon.