Weather Maps

The Atmospheric Dispersion Index (ADI) is a numeric rating of the atmosphere's capability of transporting pollutants away from their sources. The ADI is based on the Gaussian distribution statistical models described by Lavdas (1986).

More information about the Atmospheric Dispersion Index is available in the Background Information.

Daily weather observations are required for the Canadian Forest Fire Weather Index (FWI) System calculations. More information about weather processing and the FWI system is available in the Background Information.

Forecasted weather data provided by Environment Canada. More information about forecasted weather is available in the Background Information.

Maps are updated daily, at 6 p.m. Mountain Standard Time.