Tool detail

SYNTHORA

Returns live air quality (PM2.5, PM10, ozone, NO2, EU/US AQI) and a WHO-threshold verdict for a given city or lat,lon location.

Categories: Weather environment

Use when

check current air quality or AQI for a city
get PM2.5, PM10, ozone or NO2 levels for a location
get a WHO-threshold air-quality verdict (good/moderate/harmful) for a place

Not for

not historical air-quality trends — current reading only
not a forecast — live snapshot from open-meteo

Inputs

POST JSON body: input (string) — city name or "lat,lon"; schema marks it optional

Admitted input schema

{
  "type": "object",
  "properties": {
    "input": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "SYNTHORA air-quality: live air quality for any city or lat,lon — PM2.5/PM10/ozone/NO2, EU and US AQI, and a WHO-threshold operational verdict (good/moderate/harmful). Source: open-meteo Air Quality (C"
    }
  },
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://api.hergertsynthora.com/v1/air-quality

Payment

Protocol: x402
Listed price: 0.01 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: POST https://api.hergertsynthora.com/v1/air-quality
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z