PurpleAir Monitoring Map

CRAZ PurpleAir Monitoring Dashboard for 2025

Data correction based on article “Development and evaluation of correction models for a low-cost fine particulate matter monitor” by Brayden Nilson, Peter L. Jackson, Corinne L. Schiller and Matthew T. Parsons, (https://amt.copernicus.org/articles/15/3315/2022/)

PurpleAir BoxPlot for 2025

PurpleAir Daily 2025 Averages

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PurpleAir 2025 Profile

based on regional average PurpleAir

PM2.5 Interactive Hourly Trace