Observed air quality and the smoke outlook for Sumas, WA: 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: Huntingdon, BC smoke forecast (0.5 mi N) · UDistrict, BC smoke forecast (2.5 mi NW) · Highway 11, BC smoke forecast (2.6 mi N) · Abbotsford, BC smoke forecast (4.0 mi N) · Langley, BC smoke forecast (19 mi W) · Vancouver, BC smoke forecast (42 mi NW)