The advisory was issued just after 9 a.m. Sunday and spans much of the central portions of the province.

“Portions of west-central Alberta have cleared this morning but may see smoke return over the next 24 hours,” reads the advisory. “If you or those in your care are exposed to wildfire smoke, consider taking extra precautions to reduce your exposure. Wildfire smoke is a constantly-changing mixture of particles and gases which includes many chemicals that can harm your health.”

As of 11:30 a.m., the Air Quality Health Index is at a 4, or moderate risk, but is forecast to reach a 7, or high risk, Sunday. Those who experience symptoms such as chest discomfort, shortness of breath, coughing or wheezing, should seek prompt medical attention.

According to the latest statement from the B.C. Ministry of Forests, the Flood Falls Trail fire southwest of Hope and visible from Highway One has grown to 271 hectares and is burning out of control. The Fraser Valley Regional District and the District of Hope have issued evacuation alerts as hot, dry conditions and gusty winds fuel the fire.

The Heather Lake fire in Manning Park east of Hope is also out of control and has grown to 8,663 hectares. This fire is in B.C.and Washington.

Smoke caused by the Chetamon Mountain blaze in Jasper National Park is causing reduce visibility on Highway 16. Parks Canada and the RCMP are prepared to use traffic control on Highway 16 if needed, but a highway closure is the last resort. Currently, Parks Canada says there are 110 firefighter personnel and eight helicopters operating and working to suppress the fire.

The lightning-sparked blaze has burned on a steep and inaccessible mountain slope, approximately 20 kilometres north of the Jasper townsite, since Sept. 1.