"Millions of Americans have been urged to avoid driving amid concerns over high air pollution levels. The National Weather Service (NWS) has issued air quality alerts in Colorado, Oregon, Washington, Wyoming, Idaho and Montana on Friday. The warnings mean ground-level ozone and particulate concentrations are forecast to reach dangerous levels. In some areas, the pollution comes from drifting wildfire smoke."
This is becoming the norm, and will only become worse with this admin's loosening of regulations.
https://www.newsweek.com/millions-americans-told-avoid-driving-air-pollution-wildfires-colorado-2125009