About PurpleAir Sensors

This category serves as a knowledge base for information regarding PurpleAir sensors and other hardware. Here you can find information about setting up your sensor, troubleshooting, and other related topics. If you have a question, and can’t find an answer, please ask!

I have a pa - ll - sd and I cannot get it to show In wifi to reset the unit up. I have a green night and a blue light flashing please help