US EPA AirNow Air Quality

Real-time Air Quality Index (AQI), PM2.5, and ozone pollutant measurements by US ZIP code from the EPA AirNow network.

What It Does

Provides real-time Air Quality Index (AQI) readings and primary pollutant concentrations (PM2.5, PM10, ozone) by US ZIP code and metro area from the EPA AirNow monitoring network.

Key Features & Data Slices

  • Real-Time ZIP Code AQI Readings
  • PM2.5, PM10 & Ozone Pollutant Tracking
  • EPA Health Advisory Categorization
  • 2,500+ Monitoring Stations

Institutional Source & Provenance

Curated by US Environmental Protection Agency (EPA AirNow) (Environment).

Machine Query Protocol (Fodda MCP)

Query this dataset directly inside Claude, ChatGPT, Copilot, or custom agent workflows:

POST https://api.fodda.ai/v1/graphs/airnow/search