https://aqi.eco/ https://aqi.eco/ Open-source, crowd-sourced air quality page. I’m running it for 3 years now. Owners of private air quality detectors can use

https://aqi.eco/ https://aqi.eco/ Open-source, crowd-sourced air quality page. I’m running it for 3 years now. Owners of private air quality detectors can use it to built micro-communities in their neighbourhoods. Eg. organization registered at https://mosina.aqi.eco https://mosina.aqi.eco installed dozens of sensors in their home town and is advocating for improving the air quality there. Around 13k unique users and 40k sessions per month. Cost is about $35 for VMs and storage on DigitalOcean.