![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
空气质量指示灯、手机APP端显示三种颜色显示()
A.空气质量指数<75mg/m3,指示灯、APP均显示蓝色
B.75 mg/m3, <空气质量指数<150mg/m3,指示灯、APP均显示紫色
C.空气质量指数> 150mg/m3,指示灯、APP均显示红色
D.选项39
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
D、选项39
解析:空气质量指数<75MG/M3指示灯APP均显示蓝色;75MG/M3<空气质量指数<150MG/M3指示灯APP均显示紫色空气质量指数>150MG/M3指示灯APP均显示红色
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)