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What do Airly sensors measure?

The Airly system is fully integrated – from the equipment to the software. Airly sensors enable us to collect, process and interpret data in real time (specifically, the concentrations of particulate matter PM2.5 and PM10, temperature, air pressure and humidity). Based on this data, information about air quality is displayed on the online map.


We make sure that sensors are installed in optimal conditions, so as to guarantee measurement reliability. We install and configure all of the devices ourselves after verifying that all conditions are met ( including adequate access to a Wi-Fi connection and power supply). Once the number of sensors in a new network is agreed upon and the contract is signed, we schedule the installation date. The Airly team arrives, installs and configures the sensors, ensuring that the devices is located in a safe spot. The installation does not require any modification of the building.

Why network?

Air quality can only be properly measured with a network of sensors that yields adequate coverage. We recommend a maximum distance of about 1km between neighbouring sensors. If their distribution is less dense, the network readings will not be comprehensive enough to produce meaningful and actionable air quality data. In other words, without a dense network of sensors, it is impossible to locate problem areas or to identify their causes. Thus, an adequate network of sensors is the first step to solve the air pollution problem!

Our offer

For cities

According to the World Health Organization’s latest ranking – among the 50 most polluted cities in Europe, 33 are Polish! However, most people are not aware of the problem. The reasons are poor access to information and an insufficient number of monitoring stations. Air quality can vary greatly even across a distance of several hundred meters. Airly advocates creating networks of evenly distributed low-cost sensors, which can provide access to millions of data points in real time with an accuracy of a few meters!

For individuals

Individuals can only buy Airly sensors where the network is already in place. Find out which towns already have such a network and read up on the conditions that must be met in order to have a sensor of your own.

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Your town doesn’t have Airly sensors but you’d like to monitor the air quality directly outside your window? By convincing your local authorities to have a network installed in your town, you will become an Airly Ambassador and receive a free sensor!

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