Observed air quality and the smoke outlook for Cornwall, ON: 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: Massena, NY smoke forecast (10 mi SW) · Malone, NY smoke forecast (24 mi SE) · Potsdam, NY smoke forecast (27 mi SW) · Saint-Zotique, QC smoke forecast (28 mi NE) · Ottawa, ON smoke forecast (54 mi NW) · Montréal, QC smoke forecast (65 mi NE)