How do I get an OpenAQ API Key?

Visit [**OpenAQ Platform**](https://platform.openaq.org/), create a free account, and generate your API key from the dashboard. Free tier includes 1,000 requests/hour.

What air quality parameters can I monitor?

PM2.5, PM10, O3 (ozone), NO2, SO2, CO, BC (black carbon), and more. Use `get_parameters` to see the full list with units and classifications.

Can I get historical air quality data?

Yes! Use `get_measurements` with date_from and date_to parameters in ISO 8601 format to retrieve time-series data for any location and parameter.

OpenAQ MCP Server for Google ADK 9 tools — connect in under 2 minutes

Name: OpenAQ
Availability: InStock
Author: Vinkius

google.github.io/adk-docs/tools/mcp-tools

Built by Vinkius GDPR 9 Tools SDK

Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add OpenAQ as an MCP tool provider through Vinkius and your ADK agents can call every tool with full schema introspection.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

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Vinkius supports streamable HTTP and SSE.

python

from google.adk.agents import Agent
from google.adk.tools.mcp_tool import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import (
    StreamableHTTPConnectionParams,
)

# Your Vinkius token. get it at cloud.vinkius.com
mcp_tools = McpToolset(
    connection_params=StreamableHTTPConnectionParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
    )
)

agent = Agent(
    model="gemini-2.5-pro",
    name="openaq_agent",
    instruction=(
        "You help users interact with OpenAQ "
        "using 9 available tools."
    ),
    tools=[mcp_tools],
)

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Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About OpenAQ MCP Server

Connect OpenAQ, the world's largest open air quality database, to any AI agent and monitor real-time pollution levels, track air quality trends, and access data from thousands of monitoring stations globally through natural language.

Google ADK natively supports OpenAQ as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 9 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.

What you can do

Live Monitoring — Get the latest PM2.5, O3, NO2, SO2, and CO readings from any location worldwide
Historical Analysis — Query time-series measurement data with date range filters for trend analysis
Location Discovery — Browse monitoring stations by country, city, or geographic area
Sensor Tracking — View active sensor devices and their measurement parameters
Parameter Reference — Look up all measurable air quality parameters with units and classifications
Global Coverage — Access data from 100+ countries with thousands of active monitoring locations

The OpenAQ MCP Server exposes 9 tools through the Vinkius. Connect it to Google ADK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect OpenAQ to Google ADK via MCP

Follow these steps to integrate the OpenAQ MCP Server with Google ADK.

Install Google ADK

Run pip install google-adk

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Create the agent

Save the code above and integrate into your ADK workflow

Explore tools

The agent will discover 9 tools from OpenAQ via MCP

Why Use Google ADK with the OpenAQ MCP Server

Google ADK provides unique advantages when paired with OpenAQ through the Model Context Protocol.

Google ADK natively supports MCP tool servers. declare a tool provider and the framework handles discovery, validation, and execution

Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with OpenAQ

Production-ready features like session management, evaluation, and deployment come built-in. not bolted on

Seamless integration with Google Cloud services means you can combine OpenAQ tools with BigQuery, Vertex AI, and Cloud Functions

OpenAQ + Google ADK Use Cases

Practical scenarios where Google ADK combined with the OpenAQ MCP Server delivers measurable value.

Enterprise data agents: ADK agents query OpenAQ and cross-reference results with internal databases for comprehensive analysis

Multi-modal workflows: combine OpenAQ tool responses with Gemini's vision and language capabilities in a single agent

Automated compliance checks: schedule ADK agents to query OpenAQ regularly and flag policy violations or configuration drift

Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including OpenAQ

OpenAQ MCP Tools for Google ADK (9)

These 9 tools become available when you connect OpenAQ to Google ADK via MCP:

get_countries

Includes location counts and city counts per country. List countries with monitoring stations

get_latest_measurements

Useful for getting current air quality status without querying full history. Get latest measurements per location

get_location_by_id

Get details for a specific location

get_locations

Filter by country, city, parameter, or geographic bounding box. Returns location details including coordinates, sensor counts, and whether the station is an official monitor. List air quality monitoring locations

get_measurements

Filter by location, parameter, date range, and value range. Returns readings with timestamps. Get historical air quality measurements

get_parameter_by_id

Get details for a specific parameter

get_parameters

5, PM10, O3 (ozone), NO2, SO2, CO, etc. Includes units and whether each is a core parameter. List measurable air quality parameters

get_sensor_by_id

Get details for a specific sensor

get_sensors

Filter by location, parameter type, or active status. List air quality sensors

Example Prompts for OpenAQ in Google ADK

Ready-to-use prompts you can give your Google ADK agent to start working with OpenAQ immediately.

"What's the current PM2.5 level in São Paulo, Brazil?"

"Which countries have the most air quality monitoring stations?"

"Show me ozone (O3) measurements from the last 24 hours in Paris."

Troubleshooting OpenAQ MCP Server with Google ADK

Common issues when connecting OpenAQ to Google ADK through the Vinkius, and how to resolve them.

McpToolset not found

Update: pip install --upgrade google-adk

OpenAQ + Google ADK FAQ

Common questions about integrating OpenAQ MCP Server with Google ADK.

How does Google ADK connect to MCP servers?

Import the MCP toolset class and pass the server URL. ADK discovers and registers all tools automatically, making them available to your agent's tool-use loop.

Can ADK agents use multiple MCP servers?

Yes. Declare multiple MCP tool providers in your agent configuration. ADK merges all tool schemas and the agent can call tools from any server in a single turn.

Which Gemini models work best with MCP tools?

Gemini 2.0 Flash and Pro models both support function calling required for MCP tools. Flash is recommended for latency-sensitive use cases, Pro for complex reasoning.