We decided to publish our source code and hardware schematics for FREE to the public. Our modules measure: VOC, CO2, O3, NO2, SO2, CO, PM2.5, PM10.

The concentration of Volatile Organic Compounds (VOC) indoors is much higher than outdoors. VOCs can have a negative health affect. It all depends on the type of VOC. What can you do against VOCs? How can you measure VOC concentration?

Wir alle wünschen uns Tag für Tag frische und gesunde Luft zum Atmen. Leider ist dies nicht für alle von uns selbstverständich. Helfen Sie uns der Umwelt zu helfen!

Day by day, everybody of us wishes to breath fresh and healthy air. Unfortunately, this is not the case for many of us. Help us to help the environment!

Air pollutants from indoor and outdoor are threatening our health. Despite several initiatives, pollutants still exceed the maximum permissible values: ozone, nitrogen dioxide, PM, Radon.

Learn more about the Air Quality Index (AQI) and what it tells you and what it doesn't tell you. Moreover, find the AQI of your country and how it is calculated.

On average, we stay approximately 90% of our time indoors. But how can you determine your indoor air quality? We tell you more about it.

Comparison of IoT application layer protocols CoAP, MQTT and MQTT-SN. CoAP vs. MQTT vs. MQTT-SN.

Which is the best IoT wireless technology today?

Cellabox is all about a "sustainably connected" future. We want to empower low-cost environmental air quality data logging for everybody and help the world to understand environmental issues through better data, and help people to measure the air quality in their homes...