Air quality in cities didn’t used to bother me – I could cycle behind a diesel bus smoking a cigarette and feel fine. But, age has changed me. These days, my wheezing lungs seem to notice variance in air more. So, when I found out about the Foobot – an internet-connected air monitor for your home – I was hyped to get my hands on one. Basically, it’s a plastic tube: You plug the Foobot in, sync with your phone, connect it to your WiFi network, and then leave it for five days to calibrate to the atmosphere in the…

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