City Tree PSI pollution monitor still not working 

Hmm. It’s been a blank screen for two weeks now. Anyone gonna fix it?


I went to their website Green City Solutions and saw their marvellously simple concept and site. There was a box labelled Aircare that invited me to click to see how clean the air is around a City Tree.

The default map is Paris….So I type in Wan Chai to see if the readings are being captured centrally despite our screen here not displaying any information whatsoever. This is what I got:

Hmm. I don’t think you need to know any German to understand that the City Tree in that “location has been disabled”.

The question is why??


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