Philips Support

What does the PM2.5 indicator in my Philips Air Purifier mean?

Published on 28 June 2023
PM2.5 is a scale for measuring real time air quality. Its values vary from 0 to 500. 

The PM2.5 indication is connected to your Philips Air Purifier’s air quality light ring/bar to inform you in real time about the quality of the ambient air.

The different colors indicate the following: 

* Blue: good 

* Blue-Violet: fair 

* Red-Purple: unhealthy 

* Red: very unhealthy

The information on this page applies to the following models: AC0850/31 , AMF765/30 , AMF870/35 , AC1715/30 , AC0830/30 , AC0820/30 , AC5660/30 , AC3259/31 , AC2887/31 , AC2882/30 , DE5205/30 , AC1215/30 , DE5205/39 , AC4076/30 , AC4014/02 , AC4081/31 , AC4012/02 , AC4372/30 , AC4025/00 , AC4026/00 , AC4012/00 , AC4014/00 , AC4002/00 , AC4004/00 , AC4072/00 , AC4074/00 , AC4055/00 , AC4065/00 , AC4054/00 , AC4064/00 . Click here to show more product numbers Click here to show less product numbers

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