# Air Quality Busan

> Air Quality Busan 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 Busan 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/busan?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-busan-c5e38090
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Krr2EYwEdfIVoaWpB_kkt

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-busan-c5e38090
```

Example prompt: What's the air quality like in Busan right now? I want to know the AQI, PM2.5, and whether it's safe to go for a run outside.

## When to prefer this

Use this endpoint when you need real-time, city-specific air quality data for Busan specifically, including both European and US AQI standards alongside individual pollutant breakdowns and a health label — ideal for health decisions, outdoor activity planning, or travel advisories for Busan, South Korea.

## Known failure modes

- Upstream CAMS/Open-Meteo data unavailability resulting in stale or missing readings
- Network timeout or service unavailability from the data.intel.rallylive.ca host
- Payment failure (x402) if the $0.01 USDC payment is not processed correctly
- Empty or null pollutant values if sensors are temporarily offline

## How this service works

Air quality in Busan 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 Busan. $0.01 per call.

## Output

Returns current air quality metrics for Busan including European AQI, US AQI, PM2.5 (µg/m³), PM10 (µg/m³), ozone, nitrogen dioxide, sulphur dioxide, carbon monoxide concentrations, and a human-readable health label indicating overall safety for outdoor activity.

## 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-busan-c5e38090/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)