OpenAQ

live EnvironmentHealth

Get current air quality readings from worldwide sensor stations. Filter by country code (e.g., "US", "IN").

3 tools
0ms auth
free tier 50 calls/day

Tools

get_latest

Get current air quality readings from worldwide sensor stations. Filter by country code (e.g., "US", "IN"). Returns PM2.5, PM10, ozone, NO2, SO2, CO levels with timestamps.

No parameters required.

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get_locations

Find air quality monitoring stations by city and/or country (e.g., city="Delhi", country="IN"). Returns station coordinates, names, and available pollutant parameters.

No parameters required.

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get_measurements

Get historical air quality data for a specific station. Filter by pollutant (e.g., "pm25", "o3", "no2"). Returns timestamped readings and values over time.

No parameters required.

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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash 
curl -X POST https://gateway.pipeworx.io/openaq/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash 
curl -X POST https://gateway.pipeworx.io/openaq/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"get_latest","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript 
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("get_latest", {});
ask_pipeworx 
// Or ask in plain English:
const answer = await px.ask("get current air quality readings from worldwide sensor stations");