---
title: MTRFormaldehydeConcentrationMeasurementMeasurementMedium.air
framework: matter
role: symbol
role_heading: Case
path: matter/mtrformaldehydeconcentrationmeasurementmeasurementmedium/air
---

# MTRFormaldehydeConcentrationMeasurementMeasurementMedium.air

## Declaration

```swift
case air
```