diff --git a/src/protos/meshtastic/telemetry.options b/src/protos/meshtastic/telemetry.options
index 6c80df9..2fe657c 100644
--- a/src/protos/meshtastic/telemetry.options
+++ b/src/protos/meshtastic/telemetry.options
@@ -1,4 +1,4 @@
 # options for nanopb
 # https://jpa.kapsi.fi/nanopb/docs/reference.html#proto-file-options
 
-
+*EnvironmentMetrics.iaq int_size:16
\ No newline at end of file
diff --git a/src/protos/meshtastic/telemetry.proto b/src/protos/meshtastic/telemetry.proto
index 22b234a..bd94666 100644
--- a/src/protos/meshtastic/telemetry.proto
+++ b/src/protos/meshtastic/telemetry.proto
@@ -31,6 +31,11 @@ message DeviceMetrics {
    * Percent of airtime for transmission used within the last hour.
    */
   float air_util_tx = 4;
+
+  /*
+   * How long the device has been running since the last reboot (in seconds)
+   */
+  uint32 uptime_seconds = 5;
 }
 
 /*
@@ -66,6 +71,12 @@ message EnvironmentMetrics {
    * Current measured (To be depreciated in favor of PowerMetrics in Meshtastic 3.x)
    */
   float current = 6;
+
+  /* 
+   * relative scale IAQ value as measured by Bosch BME680 . value 0-500.
+   * Belongs to Air Quality but is not particle but VOC measurement. Other VOC values can also be put in here.
+   */
+  uint32 iaq = 7;
 }
 
 /*
@@ -194,7 +205,7 @@ message Telemetry {
     AirQualityMetrics air_quality_metrics = 4;
 
     /*
-     * Power Metrics 
+     * Power Metrics
      */
     PowerMetrics power_metrics = 5;
   }
@@ -283,5 +294,4 @@ enum TelemetrySensorType {
    * BMP085/BMP180 High accuracy temperature and pressure (older Version of BMP280)
    */
   BMP085 = 15;
-
 }