Skip to main content

Apple Developer Docs

Fonts Symbols

Matter / MTRNitrogenDioxideConcentrationMeasurementMeasurementUnit / MTRNitrogenDioxideConcentrationMeasurementMeasurementUnit.PPM

MTRNitrogenDioxideConcentrationMeasurementMeasurementUnit.PPM

Declaration

case PPM

Open on developer.apple.com

MatterCase

iOS 17.6+iPadOS 17.6+Mac Catalyst 17.6+macOS 14.6+tvOS 17.6+visionOS 1.0+watchOS 10.6+

Built on 2026-05-07