# Changing the Ozone Monitoring Season in Idaho From April Through October to May Through September
> **Rule** · Direct final rule. · Published 2004-08-30 · Effective 2004-10-29 · 69 FR 52836
## Document
- **Document number:** 04-19728
- **Category:** air-emissions
- **Federal Register citation:** 69 FR 52836
- **CFR reference:** 40 CFR 58
- **Publication date:** 2004-08-30
- **Effective date:** 2004-10-29
- **State:** ID
- **EPA docket:** Docket # ID-04-003a
## Abstract

Currently the ozone monitoring season for Idaho is April through October. Based on the ozone monitoring season in adjacent states with similar climatology, and analysis of existing ozone monitoring data collected in Boise, EPA is approving a change in the ozone monitoring season for Idaho to the months of May through September.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/08/30/04-19728/changing-the-ozone-monitoring-season-in-idaho-from-april-through-october-to-may-through-september)
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