Environment Canada issues smog advisory for much of southern Ontario

TORONTO – A good portion of southern Ontario is under a smog advisory.

People with asthma or lung issues may find it harder to breath today.

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Environment Canada says what has led to the smog is a low pressure wind system that transports pollutants from the United States.

That combines with local sources in southern Ontario which makes for a day of elevated air pollution.

Air quality should be back to normal by Tuesday.

(AM640)