North Carolina and California because of elevated levels of fine particulates from wildfire smoke and windblown dust, the National Weather Service (NWS) warns. While fine particulate pollution ...

Wildfire smoke and seasonal shifts also ... This interactive map combines regulatory monitoring data, pollution sensors, and forecast models to provide air quality readings for over 1,000 locations.

As wildfires scorched record swaths of California, Oregon, and Washington State, massive plumes of smoke caused air pollution there to soar to unprecedented levels—rivaling that of the world’s ...