Wildfire Ash in a Spanish River and a Chicago Smoke Study — October 7, 2026

Today's stories are about what happens after a fire is out. Ash is fouling drinking water in Spain, researchers look back at who carried the heaviest smoke burden in Chicago, and Spokane is still rebuilding two months after a fire tore through a neighborhood.

Wildfire ash turns a Spanish river black

A river through the town of Casavieja in central Spain has turned black with wildfire ash and debris, contaminating the local drinking water, Reuters reports. Residents have been filling containers at fountains and tanker trucks, and authorities have handed out bottled water.

Mayor Vanessa Muñoz said torrential rains made the fire damage worse, washing away bridges and carrying runoff into the reservoir the town relies on as a backup supply. In nearby Piedralaves, officials declared tap water unfit to drink after ash washed into water catchments. The area lies downstream of the Burgohondo wildfire in Avila, which burned 33,943 hectares (83,875 acres), more than 15% of the area burned by wildfires in Spain this year, according to Environment Ministry data.

Chicago study: smoke lingered longer in some neighborhoods

Researchers from the Duke Global Health Institute and the University of Illinois Chicago studied how exposure played out across Chicago during the June 2023 wildfire smoke event, as members of the team write in the Chicago Sun-Times. No neighborhood escaped elevated particulate matter. But neighborhoods with worse baseline air quality, lower socioeconomic status and larger Black and Hispanic populations took longer to recover in the days afterward.

The piece makes the case for smoke preparedness, comparing transported wildfire smoke to the snowstorms cities routinely plan for. The authors point to a Canadian government report predicting more wildfires across several regions in spring and summer 2027.

Spokane keeps rebuilding after the Old Trails fire

Spokane Mayor Lisa Brown used her State of the City address on Tuesday to highlight the response to the Old Trails fire of Aug. 1, the Spokesman-Review reports. She praised first responders and utility workers and pointed to ongoing work to rebuild quickly and remove costly barriers for homeowners.

One of those families is rebuilding in the Rifle Club neighborhood. High school senior Becks Bird, who lost his childhood home to the fire, chose to take his senior photos among the remains of the house, KXLY reports via Live 5 News. His family had only minutes to evacuate.

A smoke-delayed soccer match is finally played

The Chicago Fire hosted the Vancouver Whitecaps at Soldier Field on Tuesday in an MLS match that was moved from July because of poor air quality from wildfire smoke, Yardbarker reports. It's a reminder that smoke can reshape plans for outdoor events, not just for people at home.

Sources

• Wildfire ash turns Spanish mountain river black, contaminating water supply — Reuters
• Wildfire smoke preparedness is essential to protect most vulnerable Chicagoans — Chicago Sun-Times
• Spokane Mayor Lisa Brown, speaking from new venue, highlights challenges and accomplishments in third State of the City address — Spokane Spokesman-Review
• Teen takes his senior photos amid rubble of home lost to wildfire — Live 5 News WCSC
• Chicago Fire vs. Vancouver Whitecaps Lineups, Preview — Yardbarker

Canairy aggregates publicly reported air-quality and wildfire news and summarizes it in plain English, with links to the original sources. This is educational information, not medical or emergency advice. In a wildfire or air-quality emergency, follow guidance from local authorities.