Home Forum Community Formaldehyde – local data always zero

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    Well it was – but now the grape harvest (vintage) is in full swing and now I have excess formaldehyde, and tonight the worst VOC AQI on the network at 440.
    I get to see bursts of CO2 when wine tanks are opened too.
    Lots of interesting things – and I just thought my neighbours made noise and smell!


    Radu Motisan

    You will often see the VOC AQI perfectly aligned with Formaldehyde readings. I love it, since the two sensors are using very different tech for their operation.



    Tonight the sensor is reading at the maximum again, 5000 ppb (or 5 parts per million). Maybe a different sensor which has a higher maximum could be found for a newer model?

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