Environmental data
Air-quality, energy and environmental information services. Inspect coverage, attribution, freshness and usage limits.
Services are ordered by documented operations, attributed reports and current documentation. 7 services are classified here. Each card shows the interfaces a service offers; open it for access requirements and sources.
Categories · Tasks · Interfaces · How listings are checked
OpenAQ
Global open air-quality observation API that lets agents query monitoring locations, pollutant sensors and measurements for environmental research and location-specific awareness.
Environmental data · air quality · Public data
API · Access documentation verifiedOpenAQ
OpenAQ's API provides access to air-quality data; this documented request retrieves location details for an OpenAQ location.
Environmental data
API · Access documentation verifiedPurpleAir
PurpleAir provides networked air-quality sensors and a data API. The Sensor Data API can retrieve recent measurements for one sensor index.
Environmental data · air-quality · api
API · Documentation checked: 2026-10-11KNMI
KNMI is the national weather and climate institute of the Netherlands. Its EDR API supports spatio-temporal queries against environmental data collections.
Weather and climate · Environmental data · Research and knowledge · API
API · Documentation checked: 2026-10-11Luchtmeetnet
The Luchtmeetnet API provides programmatic access to air-quality stations and measurements in the Netherlands.
Environmental data · Public data
API · Documentation checked: 2026-10-09Stormglass
A global weather and marine forecast service with an API for hourly forecasts by coordinate.
Weather and climate · Environmental data · api
API · Documentation checked: 2026-10-10USGS Earthquake Catalog
US Geological Survey FDSN Event web service for searching earthquake catalogs by time, location and magnitude.
Environmental data · Public data · Maps and geospatial data
API · Documentation checked: 2026-10-13