# dt0ur.online Air Quality API

> dt0ur.online Air Quality API is a paid API for AI agents from dt0ur.online, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-30).

Returns current PM2.5, PM10, ozone concentrations, and European Air Quality Index (AQI) for a given latitude/longitude coordinate pair.

## Facts

- Endpoint: POST https://dt0ur.online/api/weather/air-quality?utm_source=zero.xyz
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-30
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/dt0ur-online-air-quality-api-a4524f4d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_GIwx7Bsuxqr7Ofv64eAPV

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 dt0ur-online-air-quality-api-a4524f4d -d '<json body>'
```

Example prompt: What's the current air quality at coordinates 48.8566° N, 2.3522° E — give me the PM2.5, PM10, ozone, and European AQI readings right now.

## When to prefer this

Use this endpoint when you need real-time European AQI alongside PM2.5, PM10, and ozone readings for a precise geographic coordinate. It is well-suited for health-safety checks, environmental monitoring agents, and any workflow requiring fine-grained air quality data at a point location. Prefer this over general weather APIs that may omit pollutant-level breakdowns, or over batch monitoring services when a single on-demand lookup is needed.

## Known failure modes

- Coordinates out of valid range (-90 to 90 lat, -180 to 180 lon) returns a validation error
- Remote air quality data source unavailable returns a service error
- Payment of 0.05 USDC not provided or rejected via x402 protocol returns 402 Payment Required
- Location in ocean or remote region with no sensor coverage may return null or sparse data

## How this service works

Delivers current PM2.5, PM10, ozone, and European Air Quality Index (AQI) levels for specified geographic coordinates.

## Output

Returns current ambient air quality data for the requested coordinates including PM2.5 particulate concentration, PM10 particulate concentration, ground-level ozone levels, and a European Air Quality Index (AQI) score — all measured in standard environmental units.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "latitude": {
   "type": "number",
   "maximum": 90,
   "minimum": -90
  },
  "longitude": {
   "type": "number",
   "maximum": 180,
   "minimum": -180
  },
  "force_live": {
   "type": "boolean",
   "default": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/dt0ur-online-air-quality-api-a4524f4d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from dt0ur.online](https://www.zero.xyz/host/dt0ur.online/llms.txt)