Observed air quality and the smoke outlook for Northumberland, 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: Sunbury, PA smoke forecast (2.0 mi S) · Shamokin Dam, PA smoke forecast (3.2 mi S) · Hummels Wharf, PA smoke forecast (4.6 mi SW) · Lewisburg, PA smoke forecast (6.8 mi NW) · Reading, PA smoke forecast (60 mi SE) · Allentown, PA smoke forecast (71 mi E)