As of September 11, travelers from the following states and territories should quarantine upon arrival in Chicago:
- Alabama
- Arkansas
- Florida
- Georgia
- Hawaii
- Idaho
- Iowa
- Kansas
- Kentucky
- Louisiana
- Mississippi
- Missouri
- Nebraska
- Nevada
- North Carolina
- North Dakota
- Oklahoma
- South Carolina
- South Dakota
- Tennessee
- Texas
For more information, see these Frequently Asked Questions.