AirGradient Air Quality Sensor


ESP32-C3 / ESP8266 library for air quality monitor measuring PM, CO2, Temperature, TVOC and Humidity with OLED display.
Library for the popular AirGradient open-hardware air quality monitors. Supports the Plantower PMS5003(T) particle sensors, the Senseair S8 CO2 sensor, the Sensirion SGP4x TVOC / NOx sensor and the Sensirion SHT4x temperature / humidity sensor. Monitors are available fully assembled or as kits for indoor and outdoors with very nice enclosure. You can send the air quality data to the AirGradient platform or any other backend.

Author: AirGradient

Maintainer: AirGradient

Read the documentation

Go to repository


This library is compatible with all architectures so you should be able to use it on all the Arduino boards.


To use this library, open the Library Manager in the Arduino IDE and install it from there.