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I received a free PCB from AirGradient a few years back, and am very happy with it. The only thing I was surprised by, was that by default the Arduino code asks for WiFi connection and then sends the collected data back to AirGradient.

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>The only thing I was surprised by, was that by default the Arduino code asks for WiFi connection and then sends the collected data back to AirGradient.

That sounds absolutely terrible. This behavior should be shamed.

I think there is a misunderstanding here. The product and firmware is fully open source. We just prepopulated the endpoint with our server as many people want to use our dashboard. However you can just change the endpoint to your own server or flash ESPHome on it and it will not send anything to us.

As a consumer who hasn't tried your product, that sounds reasonable to me. I can always change to my own server if I want, but having a third party server as default for convenience is useful as well.

EDIT: If you create an open API with worldwide air quality data, that would be fantastic.

We have a partnership with openAQ and share the public outdoor data with them automatically.

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