I built one with lots of sensors along these lines. Very useful during smoke season to try to balance co2 and pm. https://partofthething.com/thoughts/weather-a

I built one with lots of sensors along these lines. Very useful during smoke season to try to balance co2 and pm. https://partofthething.com/thoughts/weather-and-air-quality-monitoring-station-with-esp8266-and-home-assistant/ https://partofthething.com/thoughts/weather-and-air-quality-...