Environmental Protection Agency
The U.S. Environmental Protection Agency (EPA) provides multiple public data APIs covering environmental records, air quality monitoring, UV forecasts, and internal data holdings. These services enable State and local governments, federal agencies, researchers, and the public to access environmental data about air, water, and land.
APIs
EPA Envirofacts Data Service API
Envirofacts provides a single point of access to U.S. EPA environmental data contained in U.S. EPA databases. The RESTful Data Service API returns output in JSON, CSV, Excel, HT...
EPA Air Quality System API
The EPA Air Quality System (AQS) API provides programmatic access to ambient air pollution data collected by the EPA, state, local, and tribal air pollution control agencies, in...
EPA UV Index API
The EPA UV Index API provides hourly and daily ultraviolet radiation forecasts by ZIP code or city/state. Output is available in XML, JSON, Excel, and CSV formats.
EPA ECHO Compliance and Enforcement API
Enforcement and Compliance History Online (ECHO) provides public access to compliance and enforcement information for EPA-regulated facilities nationwide. The ECHO web services ...