diff --git a/homeassistant/components/sensor/__init__.py b/homeassistant/components/sensor/__init__.py
index 530b0f39c23..9c77c33a29c 100644
--- a/homeassistant/components/sensor/__init__.py
+++ b/homeassistant/components/sensor/__init__.py
@@ -77,8 +77,8 @@ DEVICE_CLASSES: Final[list[str]] = [
     DEVICE_CLASS_MONETARY,  # Amount of money (currency)
     DEVICE_CLASS_OZONE,  # Amount of O3 (µg/m³)
     DEVICE_CLASS_NITROGEN_DIOXIDE,  # Amount of NO2 (µg/m³)
-    DEVICE_CLASS_NITROUS_OXIDE,  # Amount of NO  (µg/m³)
-    DEVICE_CLASS_NITROGEN_MONOXIDE,  # Amount of N2O (µg/m³)
+    DEVICE_CLASS_NITROUS_OXIDE,  # Amount of N2O  (µg/m³)
+    DEVICE_CLASS_NITROGEN_MONOXIDE,  # Amount of NO (µg/m³)
     DEVICE_CLASS_PM1,  # Particulate matter <= 0.1 μm (µg/m³)
     DEVICE_CLASS_PM10,  # Particulate matter <= 10 μm (µg/m³)
     DEVICE_CLASS_PM25,  # Particulate matter <= 2.5 μm (µg/m³)