developers.home-assistant/docs/core/entity/air-quality.md

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Air Quality Entity Air Quality

Properties

:::caution Deprecated The Air Quality entity is deprecated and should not be used. Instead, use separate sensors for these measurements.

Integrations that still rely on the Air Quality Entity should be migrated. :::

:::caution The Air Quality entity does not support attribute shorthand for property implementation :::

Name Type Default Description
particulate_matter_2_5 float Required The particulate matter 2.5 (<= 2.5 μm) level.
particulate_matter_10 float Required The particulate matter 10 (<= 10 μm) level.
particulate_matter_0_1 float None The particulate matter 0.1 (<= 0.1 μm) level.
air_quality_index float None The Air Quality Index (AQI).
ozone float None The O3 (ozone) level.
carbon_monoxide float None The CO (carbon monoxide) level.
carbon_dioxide float None The CO2 (carbon dioxide) level.
sulphur_dioxide float None The SO2 (sulphur dioxide) level.
nitrogen_oxide float None The N2O (nitrogen oxide) level.
nitrogen_monoxide float None The NO (nitrogen monoxide) level.
nitrogen_dioxide float None The NO2 (nitrogen dioxide) level.
volatile_organic_compounds float None The volatile organic compounds (VOC) level.

Properties have to follow the units defined in the unit_system.