Observed air quality and the smoke outlook for O'Fallon, MO: when smoke arrives, how bad it gets, when it clears — with the fires nearby and a live local map. Forecasts from NOAA, NASA, and ECCC models, checked hourly against real monitors and satellites.
Nearby: Dardenne Prairie, MO smoke forecast (3.2 mi SW) · Saint Peters, MO smoke forecast (4.0 mi E) · Lake Saint Louis, MO smoke forecast (4.7 mi W) · Saint Charles, MO smoke forecast (12 mi E) · St. Louis, MO smoke forecast (30 mi SE) · Columbia, MO smoke forecast (88 mi W)