Smog Alert Issued for Windsor-Essex Sunday

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Environment Canada says that Sunday will be a day of elevated air pollution, and that the air quality index is expected to exceed the poor threshold of 50 due to ground level ozone/fine particulate matter/ozone.

Sunday will be sunny and very warm with light winds due to a stagnant weather pattern. Pollutants from U.S. and Ontario sources will accumulate and react with sunlight to form photochemical smog.

Higher pollution levels are expected may persist through Monday.