Air Quality App

Air Quality App

It all started with the idea of measuring the air pollution in Wroclaw

Since we already had an experience in IoT from previous projects, the challenge was to choose appropriate hardware and decide what exactly should be measured.

That’s how we came up with our own device and simple but efficient architecture.

The measuring device sends data to the server via MQTT Broker. Server sends data to the database in order to save and store it, and the same data is taken from the server to be displayed on the web in real-time.

Data can be also displayed on the integrated mobile application.

Challenge

  • building a unique device for measuring specific air pollution particles (PM 2.5, PM 10 and PM 1)

  • setting up the architecture of the device for efficient data flow

  • displaying real-time data on a webpage

  • building a mobile app version​​

Technology

  • Mosca MQTT

  • Node.js

  • MongoDB

  • React.js

  • socket.io

  • Android

Solution

We have created a dedicated, small-sized sensor that can be installed on e.g. tree or a post. This sensor sends real-time data to our server that processes that data and displays on the dedicated website with user-friendly interface, as on one of the screens below.

Click4fit

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