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Air quality statement ended for Calgary

Click to play video 'Why is Calgary’s air so polluted?' Why is Calgary’s air so polluted?
WATCH: Global Weather Specialist Jodi Hughes explains why the air is so polluted in Calgary – Mar 8, 2018

Environment Canada (EC) has ended the special air quality statement for the city of Calgary at 9:22 a.m Friday.

EC originally issued a special air quality statement on Thursday.

High levels of air pollution developed due to a temperature inversion.

Although this is not a frequent occurrence in Calgary it does sometimes happen as a chinook is unfolding. At first, warmer air will ride over the heavier, cold air on the surface causing pollutants, which normally get carried away on rising air currents, to get trapped at ground level.

READ MORE: Calgary braces for possible flooding from rapid snowmelt

High air pollution levels can cause increased coughing, throat irritation, headaches or shortness of breath for some people. Children, seniors, and those with cardiovascular or lung disease, such as asthma, are especially at risk.

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Environment Canada says exposure to air pollution is particularly a concern for children, the elderly, and those who have underlying medical conditions such as lung or heart disease.

Visit www.airhealth.ca for information on how to reduce your health risk.

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