(UPDATED at 4:28 p.m. MDT September 6, 2017)
The map above showing the distribution of wildfire smoke was created at 1:36 p.m. today, Wednesday. You may notice a difference between it and the other maps below that were produced earlier Wednesday morning.
(Originally published at 9:40 a.m. MDT September 6, 2017. We will update this information through the day on Wednesday September 6.)
The siege of wildfires in the Northwestern United States that has persisted for several weeks continues to produce air that humans and other animals should not breathe. On Wednesday air quality classified as “unhealthy”, “very unhealthy”, or “hazardous” exists in some areas of California, Oregon, Washington, Idaho and Montana.
More detailed information about locations in the following states is available from Airnow.gov:
The image below is the forecast for small particles (PM 2.5) such as those found in wildfire smoke, for September 8, 2017.