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Current 8-Hour Ozone Summary

Published: May 13, 2024

Ozone Summary through May 13, 2024

8- hour Ozone Summary is based on 8-hour averages of raw 1-hour ozone data from the Colorado Department of Public Health and Environment (CDPHE) through EPA AirNow and consistent with Data Reporting and Handling Conventions outlined in 40 CFR Part 50 – Appendix P.

To view historic ozone summaries click here.