Air quality (global)
x402Grade CLast checked 2 hours ago
GET https://agent402.tools/api/weather-air-quality
Current air quality index and pollutant concentrations for any location: US AQI, PM2.5, PM10, ozone, NO2, SO2, CO. Open-Meteo air quality API, no key, global.
Price$0.002per location lookup · paid in USD on Solana
Uptime100%
4/4 probes · 163.5 ms
Score66Grade C
Paid usage, 30 days0payers · 0 calls
Warnings
Wallet mismatch The payout wallet in its live payment answer differs from its catalogue listing on the same network.
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://agent402.tools/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 10:16 | Valid 402 | 402 | 149 ms | $0.002 |
| 2026-10-11 05:46 | Valid 402 | 402 | 178 ms | $0.002 |
| 2026-10-11 01:15 | Valid 402 | 402 | 255 ms | $0.002 |
| 2026-10-10 20:45 | Valid 402 | 402 | 96 ms | $0.002 |
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