Out with the heat, in with the smoke.Just as Toronto's fifth heat warning this year was lifted, Environment Canada issued a special air quality statement for the city Wednesday night.The statement is the result of smoke from forest fires over the Prairies drifting into southern Ontario,

Ottawa and much of south and southeastern Ontario can expect poor air quality this weekend as wildfire smoke returns, Environment Canada says. The special air quality statement was issued shortly before 1:30 p.

Wildfire smoke from the Prairies prompted special air quality statements and warnings across the country Saturday.