2s
x402Grade BLast checked 4 hours ago
GET https://2s.io/api/weather/air-quality
Current air quality for any coordinate worldwide. Pass lat + lon. Returns the US AQI (+ category Good/Moderate/Unhealthy…), the European AQI, and pollutant concentrations: PM2.5, PM10, ozone, nitrogen dioxide, sulphur dioxide, carbon monoxide. Source: Open-Meteo / CAMS (keyless).
Price$0.003per location lookup · paid in USD on Base
Uptime100%
3/3 probes · 991 ms
Score73Grade B
Paid usage, 30 days2payers · 2 calls
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X GET "https://2s.io/api/weather/air-quality"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 06:31 | Valid 402 | 402 | 872 ms | $0.003 |
| 2026-10-11 02:00 | Valid 402 | 402 | 1674 ms | $0.003 |
| 2026-10-10 21:30 | Valid 402 | 402 | 991 ms | $0.003 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves