Observed air quality and the smoke outlook for Herculaneum, 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: Riverside, MO smoke forecast (1.3 mi N) · Pevely, MO smoke forecast (1.3 mi NW) · Crystal City, MO smoke forecast (3.3 mi S) · Oakville, MO smoke forecast (15 mi N) · St. Louis, MO smoke forecast (27 mi N) · O'Fallon, MO smoke forecast (41 mi NW)