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The first image below, courtesy NOAA HMS, shows the fire locations across the United States. The red dots correspond to active fires, and the grey areas are plumes. There are very light plumes in the Pacific Northwest region. These fires have been burning steadily for the past few days. There are also some small patches of fires in the Mississippi Valley and Texas. These fires are not generating large smoke plumes yet and are therefore not increasing the AOD in the region. The image below, courtesy GASP MODIS (Terra satellite), shows the AOD image for the country today. You can see that most of these raised values correspond to more optically thick areas, which correspond to the fires and smoke debris throughout the nation. The raised values in the Pacific Southwest, specifically in southern California, may be due to dust.
The first image below shows the loop of EPA AIRNOW AQI values for the entire country. Most of these raised values are due to small local fires or ozone in the region. As mentioned before, southern California has some code oranges throughout the day. Most of these results are also shown below, in the NOAA ozone national forecast.