2 Thunderbolt Displays to a MacBook Air
Without knowing your hardware, this search might help you understand if your hardware supports it.

https://support.apple.com/kb/index?page=search&amp;q=multiple%20displays%20air&amp;product=&amp;doctype=&amp;currentPage=1&amp;includeArchived=false&amp;locale=en_US&amp;src=globalnav_support&amp;type=organic

Feel free to take away any of the &amp; items if your Air is old enough the support KB is archived.
The current Air should be capable of most dual display setups: https://support.apple.com/en-us/HT211190