Welcome to the OpenAQ Documentation Site. This site provides technical guidance on how to access air quality data on the OpenAQ Platform. Data on the OpenAQ platform are available free and open source.

OpenAQ is the largest open-source air quality data platform, aggregating and harmonizing historical and real-time air quality data from diverse sources from across the globe.

Learn more about OpenAQ on our website at

OpenAQ is open source and available on github at

If you have any questions regarding the OpenAQ Platform, join us on OpenAQ Slack.