A firefighter conducts a controlled ignition on the Sturgeon Lake Wildfire Complex GCX001 near Valleyview, Alberta, Canada May 18, 2023. Alberta Wildfire/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES

The east side of the Paskwa fire (HWF030) burns near Fox Lake, Alberta, Canada May 9, 2023. Alberta Wildfire/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY.

Smoke is seen as some 90 wildfires, including 23 out of control, are active in the province according to the provincial government, in downtown Calgary, Alberta, Canada May 16, 2023. REUTERS/Leah Hennel

Smoke rises from areas on the southeast side of wildfire EWF-035, part of the Deep Creek Wildfire Complex which is being tackled by helicopters near Shining Bank, Alberta, Canada May 19, 2023. Alberta Wildfire/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY.

Smoke rises from the Bald Mountain Fire GWF 019 in the Grande Prairie Forest Area near Grande Prairie, Alberta, Canada May 12, 2023. Alberta Wildfire/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY.

Canadian Forces members from 41 Canadian Brigade Group (CBG) participate in wildfire prevention in Drayton Valley, Alberta, Canada May 14, 2023. MCpl Genevieve Lapointe/Canadian Armed Forces/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY.

Smoke is seen as some 90 wildfires are active in Alberta, with 23 out of control, according to the provincial government, in Calgary, Alberta, Canada May 16, 2023. REUTERS/Leah Hennel

A man wears a mask as some 90 wildfires are active in Alberta, with 23 out of control, according to the provincial government, in Calgary, Alberta, Canada May 16, 2023. REUTERS/Leah Hennel

Smoke is seen as some 90 wildfires are active in Alberta, with 23 out of control, according to the provincial government, in Calgary, Alberta, Canada May 16, 2023. REUTERS/Leah Hennel

Leslie Kramer walk her dogs as some 90 wildfires are active in Alberta, with 23 out of control, according to the provincial government, in Calgary, Alberta, Canada May 16, 2023. REUTERS/Leah Hennel

Firefighters gather for a morning briefing at Rainbow Lake Fire Hall before heading out to tackle the Long Lake wildfire HWF036, in Rainbow Lake, Alberta, Canada May 18, 2023. Alberta Wildfire/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES

A.J. Beler walks in downtown as some 90 wildfires are active in Alberta, with 23 out of control, according to the provincial government, in Calgary, Alberta, Canada May 16, 2023. REUTERS/Leah Hennel

Smoke is seen as some 90 wildfires are active in Alberta, with 23 out of control, according to the provincial government, in Calgary, Alberta, Canada May 16, 2023. REUTERS/Leah Hennel

Smoke rises above the southeast perimeter of the Paskwa fire (HWF030) as it burns near Fox Lake, Alberta, Canada May 16, 2023. Alberta Wildfire/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY.

Firefighters return to retrieve more gear while tackling the Deep Creek Wildfire Complex near Entwistle, Alberta, Canada May 15, 2023. Alberta Wildfire/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. THIS PICTURE WAS PROCESSED BY REUTERS TO ENHANCE QUALITY. AN UNPROCESSED VERSION HAS BEEN PROVIDED SEPARATELY NO RESALES. NO ARCHIVES
 TPX IMAGES OF THE DAY

A Sky crane helicopter dumps water on the Eagle Wildfire Complex near Fox Creek, Alberta, Canada May 19, 2023. Alberta Wildfire/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES

Firefighters retreat as flames approach, amid the Grizzly Wildfire Complex, in East Prairie Metis Settlement, Alberta, Canada May 19, 2023 in this still image obtained from social media video. Alex Desjaralais via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. MANDATORY CREDIT. NO RESALES. NO ARCHIVES.