diff --git a/homeassistant/components/waqi/coordinator.py b/homeassistant/components/waqi/coordinator.py
index 46b08e2e8a3e..53624e198d88 100644
--- a/homeassistant/components/waqi/coordinator.py
+++ b/homeassistant/components/waqi/coordinator.py
@@ -44,4 +44,4 @@ class WAQIDataUpdateCoordinator(DataUpdateCoordinator[WAQIAirQuality]):
                 self.subentry.data[CONF_STATION_NUMBER]
             )
         except WAQIError as exc:
-            raise UpdateFailed from exc
+            raise UpdateFailed(str(exc)) from exc