Tens of thousands expected to attend Canada Day events in Ottawa

A sea of red and white will cover downtown Ottawa and several parks across the city, as residents and visitors celebrate Canada's 156th birthday.

A sea of red and white will cover downtown Ottawa and several parks and venues across the city today, as residents and visitors celebrate Canada's 156th birthday.

The main Canada Day celebration will be held at LeBreton Flats, where more than 30,000 people are expected to attend the daytime show at 11:45 p.m. and the evening show at 8 p.m. The Tim Hortons Canada Day Fireworks display will follow at 10 p.m.

Canadian Heritage says officials are monitoring the smoke conditions to ensure everyone's safety.

"Yes, there are some air quality issues that we are monitoring and we are following all of the guidance from the health and safety partners in the national capital region," Canadian Heritage spokesperson Melanie Brault said.

"We will be adjusting our program as needed."

Doors will open at LeBreton Flats at 9 a.m.

Canada Day events will also be held on Parliament Hill, at the National Arts Centre and in Barrhaven, Kanata, Riverside South, Stittsville, Petrie Island and other locations across the city.