hackAIR in brief
  • Last month, we asked you to take sky photos. We received 486 pictures in total, most of which we used to estimate air quality. You can find the images on the hackAIR platform - let’s keep adding to them!  
  • If you want to learn more about hackAIR and how to build your own sensor, join us for upcoming workshops in Germany and Belgium. We’re also at the EU Green Week in Brussels and the European Citizen Science Conference in Geneva - say hi!
  • This month, we’re testing hackAIR’s cardboard sensor - can you help us set up at least 50 cardboard sensors across Europe? Read on for more details.
  • Thanks to all that participated in the first round of our user survey to evaluate the hackAIR platform and mobile application! Click here for round two if you want to provide suggestions for further design improvements.
  • We’ve also included more information in this issue: our revised tutorial for the hackAIR home sensor (including a video tutorial!), a story about citizen activism across Europe, and explanations on the science behind the analysis of sky photos and on the accuracy of hackAIR sensors.
Your mission this month: Build your own cardboard sensor

The hackAIR cardboard sensor is low-cost and easy to use. You put grease onto a piece of cardboard and hang it outside for 24 hours. Then use a macro lens on your smartphone and take a picture in the hackAIR app (go to “Take a photo of your hackAIR cardboard sensor”). You will receive an estimation of the air quality immediately. The values are also shown on the hackAir platform. Can we set up 50 cardboard sensors across Europe in the next four weeks?

Read the step-by-step tutorial to build your own hackAIR cardboard sensor and let us know how the sensor-building works for you!

Updated tutorial for hackAIR home sensor v2 PLUS video tutorial

Maybe you have already gathered all the materials to build your own sensor, and you’re just waiting for an additional nudge to get started… Time to get ready: We have revised the tutorial with the latest software and hardware information. We have also added more pictures - to make it easier for you to exactly know where to click when you are installing the software. And - as a special bonus treat - there is now also a video tutorial

Let us know how you are getting along. We want to hear from you: suggestions for improving the tutorial, bugs that you discovered, and, of course, also success stories about your sensor-building adventures! 

hackAIR in action

Building a better map of air quality in your location is a lot more fun in a community of people. That’s why we’re traveling across Europe to participate in and organise workshops and activities on air quality and citizen sensing. Read our report from recent workshops in Norway.

Join us for upcoming workshops in Germany and Belgium: 

Can't find your own city on the list? Check out the workshop toolkit to organise your own hackAIR workshop!
More stories about citizen science and air quality

How accurate are the hackAIR sensors?

Can low-cost air quality sensors such as the ones used by hackAIR achieve the accuracy of more expensive reference stations? We set out to test this claim.

What’s the science behind hackAIR’s sky photo analysis?

Are you curious how hackAIR estimates air quality, based on photographs? We’re explaining the science behind this feature.

Citizen activism: Tackling air pollution across Europe

We are featuring four citizen initiatives that are taking action to reduce air pollution, from Belgium, Bulgaria, England and the Kosovo.
hackAIR: we want your feedback

In the last month, we’ve made improvements to hackAIR’s privacy feature and the location search. You can now search for your neighbourhood and get results right away. In the coming weeks, we’ll roll out some improvements to the way hackAIR displays measurements and provide better guidance for users. 

Your suggestions and ideas are really helpful - keep them coming. What is working well? Tell us what features we should prioritise in the next round of development! You can find us on social media or send us an email.

And do contact us straight away if you find a bug or can’t get your sensor to work - we’re happy to help.

News & events: stay informed
Do you want to know more about activities of the hackAIR project? Do you want to receive latest news on air quality and citizen science? Are you interested in a workshop to build your own air quality sensor? 
Follow hackAIR on social media:
Twitter - Facebook - Instagram - Blog
hackAIR is a collaboration of six European organisations working on air pollution, environment, technology, citizen science and research.
The Democritus University of Thrace, Crevis Sprl and the Technological Educational Institute of Athens contribute as third parties affiliated to Draxis Environmental S.A.

This project has received funding from the European Union Horizon 2020 research and innovation programme under grant agreement No 688363. This publication reflects only the author's view and the Research Executive Agency or European Commission is not responsible for any use that may be made of the information it contains.

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