Air Quality, IPSIA, PM10, PM2.5, PM1.0, san benedetto del tronto
Temperature, humidity, pressure and gas data registration website
Outdoor air quality testing using SDS011 and BME280 prototype enclosure in Sherwood Park, Alberta.
Data from Madrid Air quality sensor using an ESP8266, a SDS011 and a Grove multisensor
What is pm 2.5, ppm and aqi? All explained here: https://en.wikipedia.org/wiki/Air_quality_index#Computing_the_AQI
WeMos D1 Mini Pro based on project: https://www.opengreenenergy.com/post/solar-powered-wifi-weather-station-v2-0 and https://github.com/3KUdelta/Solar_WiFi_Weather_Station