{"coverage":"Global (Copernicus CAMS models via Open-Meteo)","disclaimer":"Air quality is modelled (Copernicus CAMS via Open-Meteo), not a reading from a sensor at your exact location; local conditions near fires, traffic or industry can differ sharply. Activity guidance follows US EPA AirNow categories and is general public-health information, not medical advice — if you have a heart or lung condition, follow your clinician's advice.","example":"https://airscout.scalpstream.com/air?lat=47.6588\u0026lon=-117.4260\u0026hours=24\u0026duration=2","forecast_days":7,"parameters":{"duration":"how many hours you want to be outside (default 1) — the window is a contiguous block this long","hourly":"1 to include the full hourly series","hours":"how far ahead to search for a clean window (default 24, max 168)","lat":"required, decimal degrees","lon":"required, decimal degrees","place":"optional label used in the summary text"},"payment":"x402 (HTTP 402): XRP or RLUSD on the XRP Ledger, or USDC on Base, Arbitrum, or Polygon. Custody-free.","price_usd":"0.01","service":"AirScout","source":"Open-Meteo Air Quality API (CC-BY-4.0), based on Copernicus Atmosphere Monitoring Service (CAMS) models","what":"Machine-payable air-quality queries: current US AQI and pollutants, an EPA-based verdict on outdoor exertion, and the cleanest contiguous window in the forecast ahead."}