As smoke billowing from wildfires continues to fill the air in much of Manitoba, a number of events in and around Winnipeg have been cancelled due to concerns about outdoor conditions Environment Canada warns can be dangerous.

A lack of forest management and arson control is causing blazes that release hazardous fumes drifting into the Midwest, their letter reads

Environment Canada has issued heat, air quality and ‘severe’ thunderstorm warnings for several provinces and territories this weekend.

In a letter to Canada's ambassador to the U.S., the politicians place blame on forest management above the 49th parallel and want to know what's being done to better fight fires and knock down smoke.

Six Republican lawmakers have sent a letter to Canada's ambassador calling for action on the wildfires, sending smoke billowing across the international border into their states.

Responding to the wildfire smoke visible in the Lower Columbia, the Regional District of Kootenay Boundary (RDKB) has activated its emergency operation centre to level one.

Wildfires burning about an hour south of Behchokǫ̀, N.W.T., triggered a warning from the government to travellers Wednesday: visibility might be bad in the afternoon, and the fires could reach the highway in the next 24 hours.