Observed air quality and the smoke outlook for Castlewood, SD: 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: Watertown, SD smoke forecast (13 mi N) · Clear Lake, SD smoke forecast (17 mi E) · Volga, SD smoke forecast (28 mi S) · Brookings, SD smoke forecast (31 mi S) · Sioux Falls, SD smoke forecast (83 mi S)