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Community‑led air monitoring flags elevated NOx, particulate matter and metals in parts of Sacramento
Summary
A county‑funded, community‑engaged vehicle emissions project found elevated nitrogen oxides and particulate matter in parts of North Vineyard and detected heavy metals in North Highlands and West Arden Arcade; researchers recommend focused follow‑up.
Sacramento County on April 22 presented findings from a community‑led vehicle emissions project that combined mobile monitoring and neighborhood surveys to map pollution at a finer scale than fixed regional monitors.
Gail Brosnan of Sacramento County Public Health, Richard Falcon of United Latinos and Wayne Linklater, professor and chair of Environmental Studies at California State University, Sacramento, described a mixed‑methods effort that placed sensors at hundreds of randomized sites, collected 1,276 community health surveys and returned results to affected neighborhoods.
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