---
title: HMCharacteristicValueAirQuality
framework: homekit
role: symbol
role_heading: Enumeration
path: homekit/hmcharacteristicvalueairquality
---

# HMCharacteristicValueAirQuality

Possible values for the air quality.

## Declaration

```swift
enum HMCharacteristicValueAirQuality
```

## Topics

### Air Quality

- [HMCharacteristicValueAirQuality.unknown](homekit/hmcharacteristicvalueairquality/unknown.md)
- [HMCharacteristicValueAirQuality.excellent](homekit/hmcharacteristicvalueairquality/excellent.md)
- [HMCharacteristicValueAirQuality.good](homekit/hmcharacteristicvalueairquality/good.md)
- [HMCharacteristicValueAirQuality.fair](homekit/hmcharacteristicvalueairquality/fair.md)
- [HMCharacteristicValueAirQuality.inferior](homekit/hmcharacteristicvalueairquality/inferior.md)
- [HMCharacteristicValueAirQuality.poor](homekit/hmcharacteristicvalueairquality/poor.md)

### Initializers

- [init(rawValue:)](homekit/hmcharacteristicvalueairquality/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)