This program pulls air quality and temperature data from the sensor IDs you pass in (pipe delimited) and then takes a average of them and then outputs a little json for i3blocks.
Note: this Key will work but you really should just grab a new one it's easy on the map click "Get this widget" click "data" and your new one is in the url
[weather]
command=PurpleAir --ids "35307|40309|59131" --key HSG4ZV5HDT15GQD1
format=json
interval=500