Official statistics

OpenAQ air quality

Ground-level air-quality measurements from government and research monitors worldwide.

GlobalSwedenCommunity server

Ask OpenAQ air quality a question

Your question is answered first thing in your new workspace, with OpenAQ air quality already connected. Free account, about a minute.

Free plan included. No API key needed.

About OpenAQ air quality

Find monitoring locations, list parameters (PM2.5, PM10, NO2, O3 …) and fetch readings and measurement series by location and period.

Questions you can ask OpenAQ air quality

Type them into Kahubi’s chat once OpenAQ air quality is connected.

“What were PM2.5 levels in Delhi during November 2023?”

What comes back: Readings by monitoring location with dates, units and the location ids.

“Which air-quality monitors in Stockholm measure NO₂, and what were the recent values?”

What comes back: Locations with their parameters and the latest measurements.

OpenAQ air quality MCP tools

The 7 tools the OpenAQ air quality server offers to Kahubi. The assistant picks the right one for each question.

  • openaq_find_locations

    Find air-quality monitoring stations (measured by physical sensors, not modeled) near a point, within a bounding box, or by country, optionally narrowed to one parameter, one st...

  • openaq_get_readings

    Latest measured value for every sensor at a monitoring station - the current-conditions tool.

  • openaq_get_measurements

    Historical measurement series for one pollutant at one station over a date range - for trend analysis and "was last week worse than the monthly average?".

  • openaq_list_parameters

    Catalog of every measurable pollutant and its canonical unit: id, code, display name, unit, and a one-line description (pm25, pm10, o3, no2, so2, co, bc, and more).

  • openaq_list_countries

    Catalog of country-level coverage: id, OpenAQ country code, name, the date span of available station data (datetimeFirst/datetimeLast), and which parameters are measured anywher...

  • openaq_dataframe_query

    Run a read-only SQL SELECT against the measurement tables openaq_get_measurements staged on a DataCanvas.

  • openaq_dataframe_describe

    List the tables and columns staged on a DataCanvas so you can write valid SQL for openaq_dataframe_query without guessing column names.

Using OpenAQ air quality in Kahubi

  • Community server. An open-source server maintained by the MCP community. Kahubi tests it with live queries before listing it and health-checks it regularly.
  • Cited, checkable answers. Results are treated as retrieved material and cited with the source’s own identifiers, so you can open every record the answer relied on.
  • Your files stay private. Only the search the assistant writes for your question is sent to OpenAQ air quality.

More official statistics sources

All 21 official statistics sources All data sources

Ask OpenAQ air quality your next research question

Connect OpenAQ air quality in one click and get answers that cite their records, next to your own library and drafts. Free to start.