Current PM2.5, PM10, ozone, and NO2 concentrations plus the composite US air quality index for any latitude/longitude on Earth, sourced from a global atmospheric model. Useful for health advisories, outdoor-event risk checks, and air-purifier or smart-home automations that react to pollution levels. Refreshed every 15 minutes.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.005000 USDC | 0x8503...9432 |