Environment Canada has issued a special air quality statement for the Edmonton area.
The Air Quality Health Index was sitting at seven out of 10 this morning, which is considered to be a high risk.
Environment Canada says strenuous activities outdoors should be reduced or rescheduled.
It says the haze is from wildfires in Alberta and British Columbia.
Environment Canada predicts the AQHI will drop to a four - moderate risk on Monday night, and sit at three - low risk on Tuesday.