Observed air quality and the smoke outlook for Mount Holly Springs, 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: Boiling Springs, PA smoke forecast (3.9 mi NE) · Carlisle, PA smoke forecast (5.7 mi N) · Dillsburg, PA smoke forecast (8.2 mi E) · Schlusser, PA smoke forecast (8.6 mi N) · Baltimore, MD smoke forecast (65 mi SE) · Washington, DC smoke forecast (85 mi S)