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

[Gruijter]

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

[APP][PRO] airQ advanced indoor Air Quality meter

[Afbeelding1] airQ airQ provides advanced indoor air quality data Supported sensor data (depending on the airQ version): Temperature Humidity % Humidity absolute Air pressure Noise tVOC SO2 CO NO2 O3 O2 CO2 PM1 PM2.5 PM10 Furthermore the following information is supported: Health index Performance index Dew point Health alarm Performance alarm Fire alarm Gas alarm The following controls are possible from Homey: Sound beeper with duration, frequency and volume control Blink LED’s R…