How clean is the air you breathe?


Download the app

The hackAIR app shows you local air quality and lets you reduce your exposure to air pollution. Available for Android and iOS .

Get your own Sensor

Pre-assembled and pre-programmed hackAIR sensors are now available for order.

Find out on the platform

An open technology platform to access, collect and improve air quality information in Europe.

Contribute now

Take a photo to measure air quality

Take a photo of the sky and upload it to the app to measure local air quality now. Download the app.

Build your own low-tech sensor

Make a simple sensor for air quality from cardboard and petroleum  jelly. Go to the tutorial.


With a few electronic components, you can build your own air quality sensor in an afternoon. Go to the tutorial.


Learn how to use the hackAIR API to contribute your own air quality data – or to access hackAIR’s data automatically. More on the API.

Improve hackAIR

Register now on the platform

Explore the platform and the app, and register on the platform. We love feedback to help make hackAIR better.

About hackAIR


Air pollution

Air quality is an important issue to Europeans, and pollution with particulate matter causes significant health damage. Read more.


Raising awareness

hackAIR aims to raise awareness of human exposure to air pollution, and enable engagement. Read more.


Inspiring action

hackAIR helps people minimize the risk from particulate matter pollution, and bring about decisions for cleaner air. Read more.

I think this one of best projects I have ever seen. Especially the controller software is great and easy to install. Everything worked from the beginning. Wonderful!

Woot! Love it. I’m in an air quality challenged neighborhood and breaking out my soldering gun to build a sensor! Great project!

Latest news

hackAIR: A review

hackAIR started in 2016 as a project to develop an open technology toolkit for citizens’ observatories on air quality. It was supported through the EU programme...

Read more