Current UK Terror Threat Levels, for the latest updates, visit https://act.campaign.gov.uk/
| Date | National Threat Level | Northern Ireland-related Threat Level to Northern Ireland |
| 4 February 2021 | SUBSTANTIAL | SEVERE |
| 3 November 2020 | SEVERE | SEVERE |
| 4 November 2019 | SUBSTANTIAL | SEVERE |
| 23 July 2019 | SEVERE | SEVERE |