CleanAirData MCP

This official MCP server provides read-only access to historical air quality data, including PM2.5 levels, Clean Air Scores, and annual trends for US cities. It allows AI agents to query specific city metrics, compare air quality between two locations, and retrieve rankings of cities based on their historical performance, ensuring transparency by indicating if data is copied from a nearby source.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-18Operated by CleanAirData

MCP endpoint (Streamable HTTP)

https://cleanairdata.org/api/mcp

Vendor documentation

What you can do with it

Retrieve historical air quality scores and PM2.5 data for a specific city
Compare air quality metrics between two different cities side by side
Rank cities based on their historical Clean Air Scores

Tools advertised by the last live check:

get_city_air_quality
compare_cities
rank_cities

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http cleanairdata-mcp https://cleanairdata.org/api/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add cleanairdata-mcp --url https://cleanairdata.org/api/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable cleanairdata-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "cleanairdata-mcp": {
      "url": "https://cleanairdata.org/api/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "cleanairdata-mcp": {
      "type": "streamableHttp",
      "url": "https://cleanairdata.org/api/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start cleanairdata-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "cleanairdata-mcp": {
      "type": "http",
      "url": "https://cleanairdata.org/api/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http cleanairdata-mcp https://cleanairdata.org/api/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "cleanairdata-mcp": {
      "url": "https://cleanairdata.org/api/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "cleanairdata-mcp": {
      "serverUrl": "https://cleanairdata.org/api/mcp"
    }
  }
}

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