Real-time air quality monitoring network
we do
Nebo's mission is to make environmental data open and accessible to everyone.
We believe that the very first step to improving the current ecological situation is to raise awareness and provide access to the data on local air quality. We see a wide gap between the official statistics on air quality and what we breathe in. That is why we have installed a real-time monitoring network in Krasnoyarsk, Russia, that lets us check air quality in different parts of the city.

Now we aim to create the most accessible technology to make our air monitoring system in every city all over the world. To do so, we have developed a reasonably-priced outdoor air quality monitor. Moreover, if you have engineering skills, then we are ready to share the assembly technique with you.
How does it work?
A citizen installs a small device outside their window that evaluates a level of ambient air pollution. The device measures air quality around.

To get aware of what you cannot see with the naked eye, like the air you breathe in every day, is the first step to changes. With Nebo, you can easily check the air quality in a place where you are.
On, as well as on applications for Android and iOS
Air quality monitors collect and process millions of measurements. In case you have an idea how to use our data to make the ecological situation better, let us know and get access to our API.
What does it measure?
The monitor measures the concentration of PM 2.5 ultrafine particulates. This pollutant was selected as a reference when evaluating air pollution level. PM 2.5 is a very hazardous pollutant that can be found in car emissions, coal combustion waste, high-density metal connections. Toxic substances are accumulated on these ultrafine particles.

Mass concentration of PM 2.5 is a key criterion in air quality evaluation. According to the WHO guideline values, the annual mean must be within 10 μg/m3 and the 24-hour mean must be within 25 μg/m3.
Our system also receives monitoring data from other pollutants from our partners. To combine data, we use AQI, or Air Quality Index, is a system for translating sometimes confusing or unintuitive pollutant concentration measurements, into one easy-to-understand scale to clearly represent the health risk posed by ambient air pollution. The index formula usually considers up to 6 main pollutants (PM2.5, PM10, carbon monoxide, sulfur dioxide, nitrogen dioxide and ground level ozone), and calculates the respective health risk (or AQI number) for each one at any given time. The overall AQI number at a given moment is dictated by the "riskiest" pollutant, with the highest AQI number.

The index ranges from 0 to 500, where high index values indicate higher levels of air pollution and higher potential for adverse health effects. Any value larger than 300, for example, is considered to be hazardous, while an AQI value of 0-50, on the other hand, represents good air quality.
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