Observed air quality and the smoke outlook for Markham, 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: Malvern, ON smoke forecast (4.5 mi SE) · Agincourt South-Malvern West, ON smoke forecast (5.4 mi S) · L'Amoreaux, ON smoke forecast (5.5 mi SW) · Toronto, ON smoke forecast (13 mi SW) · Mississauga, ON smoke forecast (28 mi SW) · Hamilton, ON smoke forecast (52 mi SW)