Study finds that filtration can lower indoor smoke levels

photo of UC Berkeley's campus during wildfire season
Celine Bellegarda /File
UC Berkeley researchers found older buildings in Berkeley without air-conditioning do not protect residents as well as newer buildings with filtration systems. Wildfire smoke is anticipated to increase in the next few decades, which contributes to the study’s relevance.

A study conducted by UC Berkeley environmental scientists found that certain behaviors can significantly reduce the amount of wildfire smoke inside people’s houses.
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