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Open Meteo · Research

Open-Meteo / Air quality and pollen for a location

Hourly and current air quality for one point: pm10, pm25, carbonmonoxide, nitrogendioxide, ozone, europeanaqi, usaqi, and pollen in Europe. forecastdays up to 7. Runs on your own Open-Meteo API key from a paid Open-Meteo plan (Connections, Add key, Open-Meteo). looot charges $0; Open-Meteo counts the call on your plan (a call with more than 10 variables or more than 2 weeks of data counts as more than 1). Data CC BY 4.0: credit Open-Meteo (open-meteo.com) when you show it.

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Public metadata only. Response bodies, credentials, and internal review notes are never displayed.

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Request parameters

  • current query · optional

    Current variables, e.g. ["pm2_5","us_aqi"].

  • forecast_days query · optional

    Days ahead, 1 to 7. Default 5.

  • hourly query · optional

    Hourly variables, e.g. ["pm10","pm2_5"].

  • latitude query · required

    Latitude in decimal degrees, e.g. 52.52.

  • longitude query · required

    Longitude in decimal degrees, e.g. 13.41.

  • past_days query · optional

    Past days, 0 to 92.

  • timezone query · optional

    Time zone for times, e.g. Europe/Berlin or auto. Default GMT.

No allowlisted official documentation or pricing reference is available.

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