Questions like do AirTags work without Wi-Fi, does AirTag work without Wi-Fi, and does AirTag need Wi-Fi usually come from users who want to know whether AirTag works like a normal connected device. In reality, Apple describes AirTag as sending out a secure Bluetooth signal that can be detected by nearby devices in the Find My network. Those nearby Apple devices can then help update the AirTag’s location.

This means an AirTag itself does not need a direct Wi-Fi connection to do its main job. For nearby use, Bluetooth is the key technology. For longer-distance finding, the AirTag relies on nearby Apple devices in the Find My network rather than on the AirTag connecting to Wi-Fi by itself. That is the real answer behind searches like do airtags need wifi, does airtags need wifi, and does an airtag need wifi.
So if users ask do AirTags work without Wi-Fi, the practical answer is yes in normal tracking scenarios. The owner still needs access to Apple’s ecosystem and the Find My app to view location updates, but the AirTag itself is designed around Bluetooth + Find My network, not a built-in Wi-Fi connection.