OpenAQ

OpenAQ is a nonprofit environmental technology organization that provides open access to ground-level air quality data. It aggregates data from hundreds of sources worldwide and harmonizes them on an open-source platform. Users can access data through a REST API, an interactive map, and the OpenAQ Explorer web application. The platform provides physical measurements rather than aggregated values such as air quality indexes.

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0 shouts Added Sep 23, 2026 openaq.org
openaq.org/
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Limitations

  • Provides fine grained measurements, not aggregated AQIs Source: openaq.org

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