{"uid":"cap_7ZKA5RHwIReEMY_H6tlaC","slug":"2s-io-air-quality-by-coordinate-631e70dd","name":"2s.io Air Quality by Coordinate","description":"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).","url":"https://2s.io/api/weather/air-quality","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"const":"http"},"method":{"const":"GET"},"queryParams":{"required":["lat","lon"],"properties":{"lat":{"type":"number"},"lon":{"type":"number"}}}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"lat":40.7128,"lon":-74.006}}},"response":{"data":{"ok":true,"items":[{"lat":40.7128,"lon":-74.006,"pm10":20.3,"time":"2026-06-17T21:00","ozone":115,"pm2_5":17.3,"usAqi":69,"europeanAqi":50,"usAqiCategory":"Moderate","carbonMonoxide":132,"sulphurDioxide":1.6,"nitrogenDioxide":7.9}],"total":1,"source":{"url":"https://open-meteo.com/","license":"CC BY 4.0 (attribute Open-Meteo); underlying CAMS / ECMWF ERA5.","provider":"Open-Meteo (air quality / marine / ERA5 archive)"}},"meta":{"cost":{"usd":0.0012,"tier":0},"caller":"x402","version":null,"endpoint":"weather.air-quality","settlement":{"txHash":"0x50264bcf6782d6da490f51acd4c5a40a805538a2ec857a094b176e53c6ea35d7","network":"eip155:8453","success":true}}}},"exampleRequest":{"lat":40.7128,"lon":-74.006},"tags":["x402"],"displayCostAmount":"0.0012","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.0012/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vlk4-S0vNri6QGixEZxzi","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current US AQI, European AQI, category label, and pollutant concentrations (PM2.5, PM10, O3, NO2, SO2, CO) for any lat/lon worldwide","exampleAgentPrompt":"What's the current air quality at latitude 40.7128, longitude -74.0060 — give me the US AQI category and the PM2.5 and ozone concentrations.","exampleUseCases":null,"resultDescription":"A JSON object containing the current US AQI value and category (e.g. Good, Moderate, Unhealthy), the European AQI value, and individual pollutant concentrations for PM2.5, PM10, ozone (O3), nitrogen dioxide (NO2), sulphur dioxide (SO2), and carbon monoxide (CO) for the requested coordinate.","failureModes":["Missing lat or lon parameter returns a 400 bad request error","Coordinates outside valid range (-90 to 90 lat, -180 to 180 lon) may return an error or empty result","Upstream Open-Meteo/CAMS outage may cause 503 or empty data","Payment failure (x402) returns 402 Payment Required if USDC balance is insufficient"],"whenToPreferThis":"Choose this endpoint when you need real-time air quality data (AQI + pollutant breakdown) for any arbitrary geographic coordinate worldwide, without requiring an API key. It provides both US and European AQI standards in a single call, making it ideal for international applications. Prefer over weather-only APIs when pollutant-level granularity (PM2.5, NO2, SO2, CO, O3) is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:56:06.797Z","isFirstParty":false}