Trapped pollution over Edmonton prompts Environment Canada special air quality warning

Pollution trapped under an atmospheric inversion around Edmonton could cause poor air quality up until Monday afternoon and aggravate symptoms of people with breathing troubles, Environment Canada warned Sunday.
The weather bureau issued a special air quality statement for Edmonton, St. Albert, Sherwood Park, Fort Saskatchewan, Vegreville, Redwater and Smoky Lake.
“Individuals may experience symptoms such as increased coughing, throat irritation, headaches or shortness of breath,” En