SEATTLE (AP) — Ahead of a Western wildfire season expected to be again worse than average, officials in Seattle announced Wednesday that five city buildings would be outfitted to serve as havens where residents can go to breathe clean air.

The move is in response to several years marked by thick smoke hanging over the city from summer wildfires, which officials and scientists have unequivocally connected to the slow-motion of the effects of climate change.

Seattle officials demonstrated the technology at one of the havens — a community center in the city’s Rainier Beach neighborhood — pointing out air sensors mounted on the wall, and describing how the building’s existing ventilation system had been retrofitted with special filters to keep it positively pressurized

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