# air-quality.hergertsynthora.com — intel

Real-time air quality (PM2.5, PM10, ozone, NO2, European AQI) for any lat/lon via Open-Meteo. Free, no key. $0.01 USDC via x402 on Base. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

## Free measurements

- **Conformance grade**: F (33/100)
- **30-day uptime**: 100.0% (1 probes)
- **30-day revenue**: no on-chain settlements detected
- **Top callers (30d)**: no call data in window
- **Skill drift**: 1 card changes (most recent: 2026-07-26)
- **JWS signature**: card is not JWS-signed · card last changed 0 days ago

## Pro-tier intelligence (paywalled)

The following measurements require a Pro subscription (€199/mo, 7-day trial):

- 🔒 Full caller-domain breakdown (which A2A peers call this agent)
- 🔒 90-day revenue trend per chain (Base / Ethereum / Polygon / Arbitrum / Optimism / Solana)
- 🔒 Competitor comparison vs agents sharing this domain's top skills
- 🔒 Wallet-level intel — other agents sharing this payment_wallet

Unlock at https://agenstry.com/pricing.

Source: https://agenstry.com/intel/air-quality.hergertsynthora.com