https://api.hergertsynthora.com/v1/air-quality
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 (CAMS/ESA Copernicus), free, no key. $0.005 USDC x402 Base.
#54
$0.0050
70
66
Points earned against points available, biggest lever first.
| Rank | Service | Score | Volume | Price |
|---|---|---|---|---|
| #1 | 67 | 4.7K txns | $0.0020 | |
| #2 | WaterPulse−18 | 66 | 1.6K txns | $0.15 |
| #3 | Otto AI−17 | 65 | 6.8K txns | $0.0050 |
| #4 | Bitrefill−15 | 63 | 156 txns | $0.0010 |
| #5 | 63 | 1.7K txns | $0.0010 |