The CN Tower is pictured in Toronto as wildfire smoke fills the city, on Wednesday, July 15, 2026. (Laura Proctor/The Canadian Press via AP)

A plumes of smoke from the Camp Fire hang in the air over Moose Lake as multiple wildfires burn in Minnesota's Boundary Waters Canoe Area Wilderness, Tuesday, July 14, 2026. (Anthony Souffle/Minnesota Star Tribune via AP)

Willy Vosburgh, owner of Vosburgh's Custom Cabin Rentals on Moose Lake, uses a tow boat to evacuate canoeists from the Boundary Waters Canoe Area Wilderness after multiple wildfires burning there prompted its closure and evacuation Tuesday, July 14, 2026 in Ely, Minn. (Anthony Souffle/Minnesota Star Tribune via AP)

FILE - This undated photo released by the Tennessee Department of Correction shows Tony Carruthers. (Tennessee Department of Correction via AP, File)

Wildfire smoke blankets downtown Jackson, Mich., Thursday, July 16, 2026. (J. Scott Park/Jackson Citizen Patriot via AP)

U.S. Vice President JD Vance, left, waits, alongside U.S. President Donald Trump's envoys Steve Witkoff, center, and Jared Kushner, right, to meet with Pakistan's Prime Minister Shehbaz Sharif for high-level talks aimed at advancing a deal to end the Middle East conflict, at the Bürgenstock Resort in Obbuergen, near Lucerne, in Switzerland, Sunday, June 21, 2026. (Nathan Howard/Pool Photo via AP)

Wildfire smoke blankets Vandercook Lake as a fisherman tries his luck on Thursday, July 16, 2026, near Jackson, Mich., Thursday, July 16, 2026. (J. Scott Park/Jackson Citizen Patriot via AP)

A woman wearing a mask crosses the street in Toronto as wildfire smoke fills the city, on Wednesday, July 15, 2026. (Laura Proctor/The Canadian Press via AP)