---
title: MTRNitrogenDioxideConcentrationMeasurementMeasurementMedium.water
framework: matter
role: symbol
role_heading: Case
path: matter/mtrnitrogendioxideconcentrationmeasurementmeasurementmedium/water
---

# MTRNitrogenDioxideConcentrationMeasurementMeasurementMedium.water

## Declaration

```swift
case water
```