Observed air quality and the smoke outlook for Saint Charles, 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: Bridgeton, MO smoke forecast (3.9 mi E) · Maryland Heights, MO smoke forecast (5.6 mi SE) · Hazelwood, MO smoke forecast (6.0 mi E) · O'Fallon, MO smoke forecast (12 mi W) · St. Louis, MO smoke forecast (19 mi SE) · Springfield, IL smoke forecast (83 mi NE)