Air Central Texas Calendar
End of Ozone Season in the Region
- Tuesday, November 30, 2021 (all day)
In this region, the ozone season stretches from March through November. Ground-level ozone reaches its highest concentrations during these months because ozone forms when nitrogen oxides mix with volatile organic compounds in intense sunlight, and sunlight is strongest from April through November.
- Repeats 11/30/2019, 11/30/2020, 11/30/2021, 11/30/2022, 11/30/2023
- Upcoming Recurrences