Observed air quality and the smoke outlook for Sarnia, 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: Port Huron, MI smoke forecast (1.2 mi SW) · Marysville, MI smoke forecast (6.2 mi SW) · Corunna, ON smoke forecast (6.7 mi S) · Saint Clair, MI smoke forecast (12 mi S) · Detroit, MI smoke forecast (55 mi SW) · London, ON smoke forecast (59 mi E)