Arduino projects I work on. Below are details on each one.
Using any of PMS 7003, 5003 and 3003 air quality sensors, and formulas and data from Wiki project outputs current/average AQI score to the OLED i2c 128x64 display.
I am using Arduino Nano 33 IoT with Arduino Cloud to create dashboard (free account). Make sure to connect your Nano to the Cloud and get crypto key.