SYNTHORA
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. $0.01
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 161 ms
- Price
- $0.010 per call
- Paying buyers, last 30 days
- 6 (directory's own records)
- Paid calls, last 30 days
- 10
- Category
- Weather
- Address
- https://api.hergertsynthora.com/v1/air-quality
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/d9624351020b.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).