MCP server

Airnow

io.github.pipeworx-io/airnow

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

EPA AirNow MCP — official US current + forecast AQI, keyless, from AirNow's public file products…

Website Source

At a glance

Type

MCP server

Publisher

pipeworx.io (verified by the MCP Registry)

Status

Working at last check

Tools

46

Token cost

About 27,383 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http airnow https://gateway.pipeworx.io/airnow/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.airnow]
url = "https://gateway.pipeworx.io/airnow/mcp"

Gemini CLI

{"mcpServers":{"airnow":{"httpUrl":"https://gateway.pipeworx.io/airnow/mcp"}}}

Cursor

{"mcpServers":{"airnow":{"url":"https://gateway.pipeworx.io/airnow/mcp"}}}

VS Code

{"servers":{"airnow":{"type":"http","url":"https://gateway.pipeworx.io/airnow/mcp"}}}

Antigravity

agy mcp add airnow https://gateway.pipeworx.io/airnow/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"airnow","server_url":"https://gateway.pipeworx.io/airnow/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"airnow","server_url":"https://gateway.pipeworx.io/airnow/mcp"}

Tools

• current_by_location ~217 tokens
  Latest observed air quality index (AQI) for the EPA AirNow reporting area nearest a latitude/longitude in the US: one row per pollutant with AQI value, category, observation hour, agency and yesterday's AQI. Answers "what is the air quality at these coordinates right now".
• current_by_zip ~202 tokens
  Latest observed air quality index (AQI) for the EPA AirNow reporting area nearest a US ZIP code: one row per pollutant (ozone, PM2.5, PM10) with the AQI value, category (Good / Moderate / Unhealthy …), observation hour, reporting agency and yesterday's AQI for comparison. Answers "what is the air qu
• forecast_by_zip ~235 tokens
  EPA AirNow air quality (AQI) forecast for a US ZIP code — today and up to three days ahead, per pollutant, with the forecast category, Action Day flag and the forecaster's discussion text. Pass a date (YYYY-MM-DD) to get one day, omit it for every day AirNow has issued. Answers "is tomorrow ok for o
• observations_in_bbox ~426 tokens
  Hourly EPA AirNow monitoring-site observations inside a bounding box for a span of UTC hours (max 24 hours per call): per site and hour, the AQI for ozone, PM2.5, PM10 and NO2 and the measured concentrations for PM2.5, ozone, NO2, CO, SO2 and PM10. Specify pollutants as comma-separated codes ("OZONE

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