What We Do
Open Source Stewardship
Open hardware, software, data systems, and documentation keep useful tools accessible and adaptable.


Open by design
Useful tools should outlive a single project.
Hardware designs, firmware, data systems, and documentation become more valuable when others can inspect, adapt, and improve them.
AirGradient’s founding contribution brings open tools and educational resources into OAF’s work. As a separate nonprofit, the foundation gives this shared work a public-interest home.
Use and contribute
Build on what is already open.
Explore the code, work with public data, or use practical guidance in your own project.
Open hardware, firmware and code
Find open-source work and repositories maintained by the foundation and the AirGradient community.
Public outdoor air quality map
Explore public AirGradient monitor data and local air quality conditions across the global network.
Air Quality Monitoring Toolkit
Plan, set up, and run a local air quality monitoring network. Step-by-step guides, illustrated manuals, and video tutorials help you choose monitoring locations, install sensors, check data quality, and use the results to support your community.
The work of stewardship
Open resources need ongoing care.
Maintenance, testing, and clear documentation keep shared infrastructure useful. Contributions can be technical, practical, or educational.
Hardware and firmware
Maintain designs, code, testing methods, and installation guidance that others can inspect and adapt. Experience from real deployments helps identify what needs attention.
Data and software
Support useful public-interest data systems and responsible data practices. We aim to work with existing research platforms and community data stewards, connecting missing pieces rather than duplicating their work.
Documentation and learning
Keep guides and toolkits accessible. Improvements to documentation, translations, testing, and feedback from local implementation all help the next person use the work.
Take the next step
Support the continued development of open tools
Help useful public infrastructure remain available and adaptable over time.
