Observed air quality and the smoke outlook for Johnston, IA: 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: Urbandale, IA smoke forecast (3.3 mi S) · Grimes, IA smoke forecast (4.9 mi W) · Clive, IA smoke forecast (5.0 mi S) · Des Moines, IA smoke forecast (6.8 mi SE) · Ames, IA smoke forecast (25 mi N) · Waterloo, IA smoke forecast (90 mi NE)