I built this on a plane on day where wildfire smoke had caused Portland, OR's air quality to be worse than Hong Kong's. The next year, I upgraded it to use a newer, better API.
Add lita-onewheel-aqi to your Lita instance's Gemfile:
Add your API key to your lita_config.rb:
It can be procured here: http://aqicn.org/api/
If you're using this in slack, turn off the IRC color codes by using:
config.handlers.onewheel_aqi.colors = false
bot: aqi Portland, OR
^^ should return your PM2.5 number.