OpenAQ
Open air quality data.
About OpenAQ
OpenAQ provides an API for accessing air quality measurement data, documented at docs.openaq.org. The documentation covers constructing queries using filters such as location, parameter, and date range, as well as geospatial filtering and pagination controls for navigating results.
The full OpenAQ data archive is also available at scale through an Open Data on AWS S3 bucket. Separate documentation sections cover terms of use governing allowable use, intellectual property, and third-party data compliance.
The API is intended for developers building applications or conducting analysis that requires air quality measurement data.
Key features
- Query air quality measurements by location, parameter, and date range
- Filter results by geographic area with geospatial queries
- Paginate through large result sets
- Access the full historical data archive at scale via an AWS S3 bucket
Frequently asked questions
What data can I query with the OpenAQ API?
The API returns air quality measurements filterable by location, parameter, and date range.
Does OpenAQ support geospatial queries?
Yes, results can be refined by geographic area using coordinate-based queries.
How can I access large volumes of OpenAQ data?
The full OpenAQ data archive is available at scale through the Open Data on AWS S3 bucket.
Where can I find the OpenAQ source code?
OpenAQ is available on GitHub.
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