Environment Canada has ended a special weather statement for Calgary.
On Friday, the weather agency said higher pollution levels were expected to persist until later Friday evening. The statement was ended shortly after 9 p.m.
"Individuals may experience symptoms such as increased coughing, throat irritation, headaches or shortness of breath. Children, seniors and those with cardiovascular or lung disease, such as asthma, are especially at risk," reads the advisory issued at 4:24 p.m.
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Those with lung diseases like asthma and COPD can be particularly sensitive to pollution.
The air quality statement was also in place in the communities of Airdrie, Cochrane, Olds and Sundre.
For a full list of current warnings, click here.