COVID-19 pandemic in Columbus, Ohio
Advisory level timeline
### Advisory level timeline

Franklin County has been rated for COVID\-19 severity under Ohio's Public Health Advisory System and the CDC's COVID\-19 community transmission map.
2020
* July 2: The Ohio Public Health Advisory System is established. Franklin County is rated "Level 3" or "Red", the second\-highest warning level in the advisory system.
* August 27: Franklin County is downgraded to "Level 2" or "Orange", the second\-lowest warning level in the advisory system.
* October 15: Franklin County is elevated to "Level 3" or "Red".
* November 19: Franklin County is elevated to "Level 4" or "Purple", the highest of Ohio's COVID warning levels, and the first county to rise to the level.
* December 3: Franklin County is downgraded to "Level 3" or "Red".

2021
* April 15: Franklin County is elevated to "Level 4" or "Purple".
* April 29: Franklin County is downgraded to "Level 3" or "Red"
* May 27: Ohio retires the Public Health Advisory System.
* July 30: The CDC's COVID community transmission map indicates Franklin County has a substantial (orange) incidence of COVID\-19 spread.
* August 9: Franklin County is elevated to show a high incidence of COVID\-19 spread, indicated in red.


On which date was Franklin County elevated to show a high incidence of COVID-19 spread?