No reading indoors

I moved my Zen sensor from outdoors, where it reliably sends a reading, to indoors and plugged it in. Now it shows no reading on the map. Am I supposed to do something else?
NVM. I unplugged it & put in its little stand and now it lights up. Still don’t understand, though

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I always thought those sensors were geared for outdoor air pollution; I don’t know much about how they register any indoor pollution, if they are capable of that. It seems they SHOULD be capable of that.

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My understanding is that the Zen model, which I have, reads both indoors & outdoors and can be moved. The unplugging in order to move it seems to require it to reset, which does just take a few minutes. It’s working well now.

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@debbliss @Bumchamp7

Yes, we advertise the Zen as an indoor/outdoor hybrid model, mostly because of the swappable base mount that allows the sensor to be mounted on a vertical surface or placed on a horizontal surface.

That being said, all PurpleAir sensors are capable of measuring indoor or outdoor air, as they’re just measuring particulate matter.