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Monitoring update: PurpleAir and EBAM deployments helped parse wildfire smoke; agency marks Air Quality Awareness Week
Summary
Staff reported high data completeness on regulatory monitors, confirmed an East-side spike during a wildfire-influenced day recorded on non‑regulatory EBAMs and PurpleAir sensors, and described outreach for Air Quality Awareness Week.
Monitoring staff updated the board on network performance, exceptional-event processing and deployments of supplemental sensors after storm-related and regional wildfire smoke.
Network performance: Staff reported 2025 year-to-date completeness of 97% for the BAM PM2.5 sampler and 95% for the ozone monitor at Bend Creek; staff noted the auto-calibration routine costs about one hour of data completeness each day on ozone instruments. The…
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