Observed air quality and the smoke outlook for Horsham, 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: Hatboro, PA smoke forecast (1.2 mi E) · Willow Grove, PA smoke forecast (2.5 mi S) · Maple Glen, PA smoke forecast (2.7 mi W) · Philadelphia, PA smoke forecast (16 mi S) · Trenton, NJ smoke forecast (21 mi E) · New York City, NY smoke forecast (70 mi NE)