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HomeKit / HMCharacteristicValueAirQuality / HMCharacteristicValueAirQuality.unknown

Contents

Declaration
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HMCharacteristicValueAirQuality.unknown

The air quality is unknown.

Declaration

case unknown

See Also

Air Quality

HMCharacteristicValueAirQuality.excellent
HMCharacteristicValueAirQuality.good
HMCharacteristicValueAirQuality.fair
HMCharacteristicValueAirQuality.inferior
HMCharacteristicValueAirQuality.poor

Open on developer.apple.com

HomeKitCase

iOS 9.0+iPadOS 9.0+Mac Catalyst 9.0+tvOS 10.0+visionOS 1.0+watchOS 2.0+

Declaration
See Also

Built on 2026-05-07