Observed air quality and the smoke outlook for Columbia, PA: 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: Mount Joy, PA smoke forecast (5.3 mi N) · Millersville, PA smoke forecast (8.3 mi E) · Elizabethtown, PA smoke forecast (9.7 mi NW) · Lancaster, PA smoke forecast (11 mi E) · Baltimore, MD smoke forecast (52 mi S) · Philadelphia, PA smoke forecast (71 mi E)