diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/xiaomi/services/XiaomiWeatherService.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/xiaomi/services/XiaomiWeatherService.java
index 4fadb6dbc..18e15eaf6 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/xiaomi/services/XiaomiWeatherService.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/xiaomi/services/XiaomiWeatherService.java
@@ -103,9 +103,9 @@ public class XiaomiWeatherService extends AbstractXiaomiService {
                                                 .setUnk1("")
                                                 .setUnk2(0)
                                         )
-                                        .setUnk7(XiaomiProto.WeatherCurrentUnk7.newBuilder()
-                                                .setUnk1("")
-                                                .setUnk2(0)
+                                        .setAQI(XiaomiProto.WeatherCurrentAQI.newBuilder()
+                                                .setAQIText("Unknown") // some string like "Moderate"
+                                                .setAQI(weatherSpec.airQuality.aqi)
                                         )
                                         .setWarning(XiaomiProto.WeatherCurrentWarning.newBuilder()
                                                 .setCurrentWarning1(XiaomiProto.WeatherCurrentWarning1.newBuilder()
diff --git a/app/src/main/proto/xiaomi.proto b/app/src/main/proto/xiaomi.proto
index 4946c3851..8649483ce 100644
--- a/app/src/main/proto/xiaomi.proto
+++ b/app/src/main/proto/xiaomi.proto
@@ -643,7 +643,7 @@ message WeatherCurrent {
   optional WeatherCurrentHumidity humidity= 4;
   optional WeatherCurrentUnk5 unk5 = 5;
   optional WeatherCurrentUnk6 unk6 = 6;
-  optional WeatherCurrentUnk7 unk7 = 7;
+  optional WeatherCurrentAQI AQI = 7;
   optional WeatherCurrentWarning warning = 8; // Seems to be an array?
   optional float pressure = 9;
 }
@@ -675,9 +675,9 @@ message WeatherCurrentUnk6 {
   optional uint32 unk2 = 2;
 }
 
-message WeatherCurrentUnk7 {
-  optional string unk1 = 1;
-  optional uint32 unk2 = 2;
+message WeatherCurrentAQI {
+  optional string AQIText = 1;
+  optional uint32 AQI = 2;
 }
 
 message WeatherCurrentWarning {