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WorldData402 Air Quality
x402
WorldData402 Air Quality is a paid API for AI agents from worlddata402.worlddata402.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-19).
Returns current air quality data for a geographic location specified by latitude and longitude coordinates
Price / call$0.01
Success—
StatusUnknown
How this service works
Global market, government and reference data for AI agents. Pay-per-call over x402 (USDC on Base mainnet).
Output
Returns an object containing current air quality metrics for the specified coordinates, expected to include air quality index (AQI), individual pollutant readings (e.g. PM2.5, PM10, O3, NO2, CO, SO2), and possibly a qualitative category (good, moderate, unhealthy, etc.) and timestamp.
Example use cases
Pre-run outdoor air quality check
“Before I go for my morning run in Central Park, can you check the air quality at latitude 40.7829, longitude -73.9654 so I know if it's safe to exercise outside?”
Travel destination environmental assessment
“I'm planning a trip to Beijing — can you pull the current air quality for coordinates 39.9042 latitude, 116.4074 longitude so I know what to expect?”
Real estate location health screening
“I'm considering buying a house near the industrial area at 37.7749 latitude, -122.4194 longitude — can you check what the air quality is like there?”
Technical details
Endpoint
GEThttps://worlddata402.worlddata402.workers.dev/v1/air-quality?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need pay-per-call air quality data without a subscription, billed at $0.01 USDC via x402 on Base mainnet. It is well-suited for agents that need occasional location-based AQI lookups without committing to a monthly API plan. Prefer this over free tiers that have restrictive rate limits or require OAuth setup, especially in automated agent workflows that benefit from crypto-native micropayments.
Side effects
- Missing required lat or lon parameters returns a validation error
- Coordinates outside valid range (lat > 90 or lon > 180) may return an error or empty data
- No air quality monitoring data available for remote or oceanic coordinates
- Payment failure over x402 if insufficient USDC balance on Base mainnet
- Rate limiting if too many requests are made in rapid succession
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| latrequired | number | |
| lonrequired | number |
Output
Schema · Response
{
"type": "object"
}Tags
x402
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