According to Official Guinness Records,
The most magic tricks performed in a wind tunnel in three minutes is 8 and was achieved by Martin Rees (UK) at Airkix Indoor Skydiving in Milton Keynes, UK, on 5 May 2016. The wind tunnel was operating at between 122 and 144 mph throughout the attempt. The attempt was overseen by two members of the Magic Circle.
For a complete list of 2016 records, please visit 2016 Guinness Records in United Kingdom.