diff --git a/esphome/components/pmsx003/sensor.py b/esphome/components/pmsx003/sensor.py
index eefcb529f2..08ccd6096e 100644
--- a/esphome/components/pmsx003/sensor.py
+++ b/esphome/components/pmsx003/sensor.py
@@ -92,66 +92,78 @@ CONFIG_SCHEMA = (
                 icon=ICON_CHEMICAL_WEAPON,
                 accuracy_decimals=0,
                 device_class=DEVICE_CLASS_PM1,
+                state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PM_2_5_STD): sensor.sensor_schema(
                 unit_of_measurement=UNIT_MICROGRAMS_PER_CUBIC_METER,
                 icon=ICON_CHEMICAL_WEAPON,
                 accuracy_decimals=0,
                 device_class=DEVICE_CLASS_PM25,
+                state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PM_10_0_STD): sensor.sensor_schema(
                 unit_of_measurement=UNIT_MICROGRAMS_PER_CUBIC_METER,
                 icon=ICON_CHEMICAL_WEAPON,
                 accuracy_decimals=0,
                 device_class=DEVICE_CLASS_PM10,
+                state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PM_1_0): sensor.sensor_schema(
                 unit_of_measurement=UNIT_MICROGRAMS_PER_CUBIC_METER,
                 icon=ICON_CHEMICAL_WEAPON,
                 accuracy_decimals=0,
+                device_class=DEVICE_CLASS_PM1,
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PM_2_5): sensor.sensor_schema(
                 unit_of_measurement=UNIT_MICROGRAMS_PER_CUBIC_METER,
                 icon=ICON_CHEMICAL_WEAPON,
                 accuracy_decimals=0,
+                device_class=DEVICE_CLASS_PM25,
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PM_10_0): sensor.sensor_schema(
                 unit_of_measurement=UNIT_MICROGRAMS_PER_CUBIC_METER,
                 icon=ICON_CHEMICAL_WEAPON,
                 accuracy_decimals=0,
+                device_class=DEVICE_CLASS_PM10,
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PM_0_3UM): sensor.sensor_schema(
                 unit_of_measurement=UNIT_COUNT_DECILITRE,
                 icon=ICON_CHEMICAL_WEAPON,
                 accuracy_decimals=0,
+                state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PM_0_5UM): sensor.sensor_schema(
                 unit_of_measurement=UNIT_COUNT_DECILITRE,
                 icon=ICON_CHEMICAL_WEAPON,
                 accuracy_decimals=0,
+                state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PM_1_0UM): sensor.sensor_schema(
                 unit_of_measurement=UNIT_COUNT_DECILITRE,
                 icon=ICON_CHEMICAL_WEAPON,
                 accuracy_decimals=0,
+                state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PM_2_5UM): sensor.sensor_schema(
                 unit_of_measurement=UNIT_COUNT_DECILITRE,
                 icon=ICON_CHEMICAL_WEAPON,
                 accuracy_decimals=0,
+                state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PM_5_0UM): sensor.sensor_schema(
                 unit_of_measurement=UNIT_COUNT_DECILITRE,
                 icon=ICON_CHEMICAL_WEAPON,
                 accuracy_decimals=0,
+                state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PM_10_0UM): sensor.sensor_schema(
                 unit_of_measurement=UNIT_COUNT_DECILITRE,
                 icon=ICON_CHEMICAL_WEAPON,
                 accuracy_decimals=0,
+                state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
                 unit_of_measurement=UNIT_CELSIUS,