Observed air quality and the smoke outlook for Harriston, 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: Mount Forest, ON smoke forecast (8.8 mi NE) · Listowel, ON smoke forecast (13 mi S) · North Perth, ON smoke forecast (14 mi S) · Mildmay, ON smoke forecast (15 mi NW) · Hamilton, ON smoke forecast (69 mi SE) · Toronto, ON smoke forecast (75 mi E)