Residents in Toronto and the surrounding area are being warned to expect high levels of air pollution on Monday, as a smog advisory remains in effect for the second-straight day.

The advisory, jointly issued by Environment Canada and Ontarios ministry of the environment, warns of a “stagnant weather pattern” that will see hot, sunny weather and light winds. Pollutants from the U.S. and Ontario are expected to accumulate through the day and cause elevated smog levels across the region. The warning comes as Toronto prepares for an extended heat wave. Mondays temperature is expected to reach as high as 30 C by the afternoon, with a UV index of 8 very high.

via Southern Ontario remains under smog advisory | CTV Toronto.