Mexico moved from the amber list to the red list, and the change will come into effect from 4am on Sunday 8 August. What does this mean for travel to Mexico over the coming weeks and UK travellers already in Mexico? IS MEXICO ON THE RED LIST? Yes – from Sunday 8 August 2021, Mexico will be on the red list. AdvertisementTulum, Mexico Getty ImagesWHAT IF I’M ALREADY IN MEXICO?