{"sample":true,"note":"Static example of what /air-quality returns; not live data and not charged. Call without sample=1 and pay $0.01 with any x402 client for a live result.","tool":"/air-quality","price":"$0.01","example":{"time":"2026-10-18T12:00","europeanAqi":21,"usAqi":34,"pm2_5":6.1,"pm10":9.8,"ozone":52,"nitrogenDioxide":7.2,"sulphurDioxide":0.9,"carbonMonoxide":160,"units":"μg/m³"}}