I need a system that monitors my indoor air quality and automatically adjusts the ventilation to keep the environment healthy. What options are available?
Data as of Oct 5, 2026A topic in Indoor Air Quality Devices.
Reviewed by Dimitry Apollonsky ·
AirGradient One holds a clear lead, frequently highlighted for tracking CO2 and PM2.5 while tying directly into platforms like Home Assistant to drive automated ventilation. Across broader automation setups, alternatives like IQAir, Airthings, and uHoo are also pulled into the conversation for connected air monitoring.
monitoring indoor environmental pollutants to help coordinate connected air quality responses
AirGradient One is the usual answer when seeking a monitor for CO2 and PM2.5 that integrates with smart switches and fans to control airflow. Options like uHoo also appear for setting automation rules across multiple indoor metrics.