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AirNow API

Government & Science

EPA air quality index observations and forecasts for US locations by zip code or coordinates.

AirNow API is listed in Government & Science.

Auth API key Pricing Free URL https://www.airnow.gov/ Docs https://docs.airnowapi.org/

Key metrics

500 req/hr Rate limit Free with a registered API key; rate-limited to 500 requests/hour per key (fair use).

Gotchas

No gotchas documented yet. Contribute one if you know a constraint we missed.

Labels

  • Key required

    Key required

    Requires an API key (free to obtain) before use.

air-quality environment epa aqi health
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