diff --git a/include/payload.h b/include/payload.h
index a7de4ddd..889c164d 100644
--- a/include/payload.h
+++ b/include/payload.h
@@ -23,6 +23,8 @@
 #define LPP_HUMIDITY_CHANNEL 29
 #define LPP_BAROMETER_CHANNEL 30
 #define LPP_AIR_CHANNEL 31
+#define LPP_PARTMATTER10_CHANNEL 32    // particular matter for PM 10
+#define LPP_PARTMATTER25_CHANNEL 33    // particular matter for PM 2.5
 
 // MyDevices CayenneLPP 2.0 types for Packed Sensor Payload, not using channels,
 // but different FPorts
diff --git a/src/payload.cpp b/src/payload.cpp
index b3291348..10c04ddc 100644
--- a/src/payload.cpp
+++ b/src/payload.cpp
@@ -331,17 +331,21 @@ void PayloadConvert::addByte(uint8_t value) {
 
 void PayloadConvert::addSDS(sdsStatus_t sds) {
 #if (HAS_SDS011)
-
+// value of PM10
 #if (PAYLOAD_ENCODER == 3) // Cayenne LPP dynamic
-#error not implemented yet
+    buffer[cursor++] = LPP_PARTMATTER10_CHANNEL;    // for PM10 
 #endif
-
-#if (PAYLOAD_ENCODER == 4) // Cayenne LPP packed
-#error not implemented yet
+    buffer[cursor++] = LPP_LUMINOSITY; // workaround since cayenne has no data type meter
+    buffer[cursor++] = highByte((uint16_t)(sds.pm10 * 10));
+    buffer[cursor++] = lowByte((uint16_t)(sds.pm10 * 10));
+// value of PM2.5
+#if (PAYLOAD_ENCODER == 3) // Cayenne LPP dynamic
+    buffer[cursor++] = LPP_PARTMATTER25_CHANNEL;    // for PM2.5
 #endif
-
-#endif // HAS_SDS011
-}
+    buffer[cursor++] = LPP_LUMINOSITY; // workaround since cayenne has no data type meter
+    buffer[cursor++] = highByte((uint16_t)(sds.pm25 * 10));
+    buffer[cursor++] = lowByte((uint16_t)(sds.pm25 * 10));
+#endif  // HAS_SDS011
 
 void PayloadConvert::addCount(uint16_t value, uint8_t snifftype) {
   switch (snifftype) {
@@ -520,4 +524,4 @@ void PayloadConvert::addTime(time_t value) {
 void PayloadConvert::addChars(char *string, int len) {
   for (int i = 0; i < len; i++)
     addByte(string[i]);
-}
\ No newline at end of file
+}