Wildfire Smoke Leads to Unhealthy Air Quality Across Several US States

Wildfire smoke is causing unhealthy air quality in multiple US states, with Spokane, WA, reporting an Air Quality Index (AQI) of 174, indicating 'Unhealthy' conditions. El Centro and Imperial Valley, CA, also show 'Unhealthy for Sensitive Groups' levels at AQI 141. Residents in affected regions are advised to monitor local air quality conditions due to potential health impacts.