# Air Quality Antwerp

> Air Quality Antwerp is a paid API for AI agents from data.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-14).

Returns current air quality data for Antwerp including European and US AQI, PM2.5, PM10, ozone, NO2, SO2, CO, and a health label.

## Facts

- Endpoint: GET https://data.intel.rallylive.ca/data/air-quality/antwerp?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/air-quality-antwerp-f9ca1443
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_LnZ2LF9VJmV8XMk6XctI5

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability air-quality-antwerp-f9ca1443
```

Example prompt: What's the air quality in Antwerp right now — give me the AQI, PM2.5, and a health label so I know whether it's safe to go for a bike ride outside?

## When to prefer this

Use this endpoint when you need real-time, Antwerp-specific air quality data with both European and US AQI standards plus a human-readable health label. It is ideal for health-conscious decisions, outdoor activity planning, or IoT dashboards focused on Antwerp. Choose this over generic weather APIs when you specifically need pollutant concentrations (PM2.5, PM10, ozone, NO2, SO2, CO) rather than just meteorological data.

## Known failure modes

- Upstream CAMS/Open-Meteo data unavailable — service may return an error or stale data
- Network timeout if the provider API is slow
- Payment failure if USDC balance is insufficient for the $0.01 fee

## How this service works

Air quality in Antwerp right now: European and US AQI, PM2.5, PM10, ozone, nitrogen dioxide, sulphur dioxide and carbon monoxide with a health label, from Open-Meteo Air Quality (CAMS). Outdoor-activity and health decisions for Antwerp. $0.01 per call.

## Output

Returns current air quality metrics for Antwerp including European AQI, US AQI, PM2.5 (µg/m³), PM10 (µg/m³), ozone (µg/m³), nitrogen dioxide (µg/m³), sulphur dioxide (µg/m³), carbon monoxide (µg/m³), and a descriptive health label (e.g. 'Good', 'Moderate', 'Unhealthy').

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/air-quality-antwerp-f9ca1443/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from data.intel.rallylive.ca](https://www.zero.xyz/host/data.intel.rallylive.ca/llms.txt)