Observed air quality and the smoke outlook for St. Catharines, 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: Thorold, ON smoke forecast (4.3 mi SE) · Niagara-on-the-Lake, ON smoke forecast (9.9 mi NE) · Niagara Falls, ON smoke forecast (10 mi SE) · Niagara Falls, NY smoke forecast (11 mi SE) · Hamilton, ON smoke forecast (31 mi W) · Toronto, ON smoke forecast (38 mi N)