HMCharacteristicValueAirQuality.inferior The air quality is inferior. Declarationcase inferior See AlsoAir QualityHMCharacteristicValueAirQuality.unknownHMCharacteristicValueAirQuality.excellentHMCharacteristicValueAirQuality.goodHMCharacteristicValueAirQuality.fairHMCharacteristicValueAirQuality.poor