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Advisory

Historic Ozone Season Summary Reports

2026 Weekly Reports

May 17, 2026 Ozone Summary

May 10, 2026 Ozone Summary

May 1, 2026 Ozone Summary

April 27th, 2026 Ozone Summary

April 20th, 2026 Ozone Summary

 

Previous Years’ Reports

2025 Ozone Season Summary Report

2024 Ozone Season Summary Report

2023 Ozone Season Summary Report

2022 Ozone Season Summary Report

2021 Ozone Season Summary Report

2020 Ozone Season Summary Report

2019 Ozone Season Summary Report

2018 Ozone Season Summary Report

2017 Ozone Season Summary Report

2016 Ozone Season Summary Report

2015 Ozone Season Summary Report

2014 Ozone Season Summary Report

Click on image for CDPHE monitor data summaries

Smoke impact probabilities provided in the Ozone summaries are produced from the Smoke IMpact Assessment System Project, both version one and two, developed for the RAQC, the reports can be found here

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