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 colours indicate the following: 

* Blue: good 

* Blue-Violet: fair 

* Red-Purple: unhealthy 

* Red: very unhealthy

The information on this page applies to the following models: AC2887/70 , DE5205/70 , AC1215/70 .

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