Hi all! I recently bought and mounted 3 Aqara TVOC sensors in my apartment because I feel like I’m suffocating in here as I keep the windows closed to not let the cold in, and I was recommended to buy an air quality sensor. Now I was expecting them to read and give alerts for absolutely horrible a…

CO2 is odorless and tasteless. Your body cannot tell whether the concentration is approaching a dangerous level ! Your feeling must have another cause. Please speak to a doctor about your problem. The table, unfortunately in German, can explain the ppm values to you. [co2-konzentration]

That’s CO2 though, that isn’t TVOC like the OP mentions, It could still be CO2 causing as that isn’t taken along with measuring TVOC. @Floof There can be a lot of other things that can cause this, including the mention CO2 by undertaker Or it could even be PM2.5 causing you headaches (though PM2.…

@Undertaker If I open some windows the air feels better, but now that winter is closing in here in Norway, it’s difficult to keep any window open and keep the heat up. I’m sure my doctor will just tell me to go buy an air quality sensor anyway lol. @Caseda I thought it might be CO2 levels getting t…

There’s VOCs in the exhaled air as well so usually TVOC sensors correlate pretty well to CO2 sensors, and sometimes also publish a calculated eCO2 value. Don’t know about the quality of the Aqara sensor though. There’re are other air quality sensors supported by Homey (eg Kaiterra/Awair/Airthings) …

I learned about the AirThings sensor today but my god it’s expensive… I also found one called Mco Home MH9 that’s also compatible with Homey but that’s not much cheaper. I have not heard about Kaiterra or Awair before. I can’t find those brands in any Norwegian stores either. I did find a Mill sen…

Actually that Netatmo CO2 sensor is not that bad, but it doesn’t measure VOC or particles. Borrow your friends device and see what levels you’re at!

He lives 9 hours away by car so that would be difficult. I found some from Mill that’s not Homey compatible (yet) but they’re cheap so I’m gonna get one and see what it says.

Air quality sensor can help you get aware of some common reasons for bad air quality that you may not otherwise be aware of. It is however not a diagnostic device that can detect everything or can tell you why you experience bad air (unless it just happens to be the exact thing causing it). Also - …

I have more allergies than I can remember so there’s no doubt about that. I have a BlueAir Classic 400 running 24/7 plus one extra air purifier that about every store in Norway now has a rebrand of by now in my bedroom running while I’m asleep. I’ve not had this issue in the past 10 years I have li…

@Floof is the Mill Sense working properly with Homey Pro? I’m considering buying one, but Mill said that they do not have an official app for integration, so they don’t know.

Aqara TVOC and air quality measurements, real or just BS?

Devices

Gruijter July 28, 2023, 7:33am 13

If you want a professional grade air quality sensor, have a look at this one. It is also used by the scientific community:

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Aqara TVOC and air quality measurements, real or just BS?

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