Environmental Protection Agency

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, including hourly sample data, daily/quarterly/annual summaries, monitor information, and quality assurance data. JSON response format with API key authentication.

GitHub

Documentation

📖
Documentation
https://aqs.epa.gov/aqsweb/documents/data_api.html

Other Resources

🔗
Signup
https://aqs.epa.gov/data/api/signup

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API entry from apis.yml

apis.yml Raw ↑ 
aid: environmental-protection-agency:aqs
name: EPA Air Quality System API
description: 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, including hourly
  sample data, daily/quarterly/annual summaries, monitor information, and quality assurance data. JSON
  response format with API key authentication.
humanURL: https://aqs.epa.gov/aqsweb/documents/data_api.html
baseURL: https://aqs.epa.gov/data/api
tags:
- Environment
- Air Quality
properties:
- type: Documentation
  url: https://aqs.epa.gov/aqsweb/documents/data_api.html
- type: Signup
  url: https://aqs.epa.gov/data/api/signup