---
title: HMServiceTypeAirQualitySensor
framework: homekit
role: symbol
role_heading: Global Variable
path: homekit/hmservicetypeairqualitysensor
---

# HMServiceTypeAirQualitySensor

An air quality sensor service.

## Declaration

```swift
let HMServiceTypeAirQualitySensor: String
```

## See Also

### Air Quality and Smoke Detection

- [HMServiceTypeAirPurifier](homekit/hmservicetypeairpurifier.md)
- [HMServiceTypeCarbonDioxideSensor](homekit/hmservicetypecarbondioxidesensor.md)
- [HMServiceTypeCarbonMonoxideSensor](homekit/hmservicetypecarbonmonoxidesensor.md)
- [HMServiceTypeSmokeSensor](homekit/hmservicetypesmokesensor.md)