States updating wildfire smoke guidelines to match EPA’s new AQI ranges – Melissas Meals Freedom
Efficient Could 6, 2024, the Environmental Safety Company (EPA) adjusted the cutoff factors in its color-coded Air High quality Index (AQI), which is used as a reference for wildfire smoke guidelines in California, Oregon, and Washington. The EPA’s updates to the AQI change what concentrations of PM2.5 (Particulate Matter measuring 2.5 micrometers) within the air … Read more
