# Description A simple AQI monitor made using Arduino Nano and Sen44 sensor. ![AQI Monitor](aqi_monitor.webp) Sen44 was found in Amazon's AQI monitor. Note, Sensirion has discontinued Sen44 and has replaced them with new Sen5(0,4,5) models. Appropriate documentation and libraries can be found on their [website](https://sensirion.com/). * [Sen44 Arduino Library](https://github.com/Sensirion/arduino-i2c-sen44) * [Sen44 Dependency](https://github.com/Sensirion/arduino-core) * [Arduino Nano](https://store.arduino.cc/products/arduino-nano)