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Air Quality Monitoring

Air Quality Trends

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Wisconsin.Gov

dnr.wi.gov

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Noise monitoring program

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Air Quality Index (AQI)

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Hourly Monitoring Data

Hourly Monitoring Data

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The monitoring data presented on this webpage contains real-time continuous data that have not been through a full quality assurance review. These data should be considered unofficial. Data in reports may not follow all rounding/truncation conventions required for comparison to the regulatory National Ambient Air Quality Standards. For details, see the Information tab.