Terrestream

Aerodyne Inc. develops Terrestream, a connected indoor air quality monitor and software platform. Terrestream measures CO2, particulate matter, VOC and NOx indices, temperature, humidity, barometric pressure, and ambient light. The product combines an integrated display, mobile app, and web dashboard with outdoor weather, air quality, pollen, and smoke context to provide actionable guidance. Home Assistant and MQTT integrations support connected-home and technical applications.