Observed air quality and the smoke outlook for Marthasville, 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: Washington, MO smoke forecast (5.4 mi SE) · New Haven, MO smoke forecast (8.8 mi W) · Union, MO smoke forecast (13 mi S) · Wentzville, MO smoke forecast (17 mi NE) · O'Fallon, MO smoke forecast (23 mi NE) · St. Louis, MO smoke forecast (46 mi E)