---
title: MTRTotalVolatileOrganicCompoundsConcentrationMeasurementMeasurementMedium.air
framework: matter
role: symbol
role_heading: Case
path: matter/mtrtotalvolatileorganiccompoundsconcentrationmeasurementmeasurementmedium/air
---

# MTRTotalVolatileOrganicCompoundsConcentrationMeasurementMeasurementMedium.air

## Declaration

```swift
case air
```