From 050fa0d4c17ac240abf2ebafdc27fdab1d53135d Mon Sep 17 00:00:00 2001
From: kahrendt <kahrendt@gmail.com>
Date: Tue, 3 Oct 2023 06:01:57 -0400
Subject: [PATCH] Fix units for SPS30 number concentration sensors (#5452)

---
 esphome/components/sps30/sensor.py | 12 ++++++------
 esphome/const.py                   |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/esphome/components/sps30/sensor.py b/esphome/components/sps30/sensor.py
index ff8d5a3594..0f01bab514 100644
--- a/esphome/components/sps30/sensor.py
+++ b/esphome/components/sps30/sensor.py
@@ -20,7 +20,7 @@ from esphome.const import (
     DEVICE_CLASS_PM25,
     STATE_CLASS_MEASUREMENT,
     UNIT_MICROGRAMS_PER_CUBIC_METER,
-    UNIT_COUNTS_PER_CUBIC_METER,
+    UNIT_COUNTS_PER_CUBIC_CENTIMETER,
     UNIT_MICROMETER,
     ICON_CHEMICAL_WEAPON,
     ICON_COUNTER,
@@ -73,31 +73,31 @@ CONFIG_SCHEMA = (
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PMC_0_5): sensor.sensor_schema(
-                unit_of_measurement=UNIT_COUNTS_PER_CUBIC_METER,
+                unit_of_measurement=UNIT_COUNTS_PER_CUBIC_CENTIMETER,
                 icon=ICON_COUNTER,
                 accuracy_decimals=2,
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PMC_1_0): sensor.sensor_schema(
-                unit_of_measurement=UNIT_COUNTS_PER_CUBIC_METER,
+                unit_of_measurement=UNIT_COUNTS_PER_CUBIC_CENTIMETER,
                 icon=ICON_COUNTER,
                 accuracy_decimals=2,
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PMC_2_5): sensor.sensor_schema(
-                unit_of_measurement=UNIT_COUNTS_PER_CUBIC_METER,
+                unit_of_measurement=UNIT_COUNTS_PER_CUBIC_CENTIMETER,
                 icon=ICON_COUNTER,
                 accuracy_decimals=2,
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PMC_4_0): sensor.sensor_schema(
-                unit_of_measurement=UNIT_COUNTS_PER_CUBIC_METER,
+                unit_of_measurement=UNIT_COUNTS_PER_CUBIC_CENTIMETER,
                 icon=ICON_COUNTER,
                 accuracy_decimals=2,
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_PMC_10_0): sensor.sensor_schema(
-                unit_of_measurement=UNIT_COUNTS_PER_CUBIC_METER,
+                unit_of_measurement=UNIT_COUNTS_PER_CUBIC_CENTIMETER,
                 icon=ICON_COUNTER,
                 accuracy_decimals=2,
                 state_class=STATE_CLASS_MEASUREMENT,
diff --git a/esphome/const.py b/esphome/const.py
index 2865b369e8..e188ba478e 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -915,7 +915,7 @@ UNIT_BYTES = "B"
 UNIT_CELSIUS = "°C"
 UNIT_CENTIMETER = "cm"
 UNIT_COUNT_DECILITRE = "/dL"
-UNIT_COUNTS_PER_CUBIC_METER = "#/m³"
+UNIT_COUNTS_PER_CUBIC_CENTIMETER = "#/cm³"
 UNIT_CUBIC_METER = "m³"
 UNIT_CUBIC_METER_PER_HOUR = "m³/h"
 UNIT_DECIBEL = "dB"