{"uid":"cap_sy085iqr-NN2RadVrG0Ec","slug":"saylor-innovations-air-quality-api-871afa39","name":"Saylor Innovations Air Quality API","description":"Air quality index by location - US and European AQI, dominant pollutant, per-pollutant AQI, PM2.5, PM10, ozone, NO2, SO2, CO, UV, pollen and the next 24 hours peak for any latitude and longitude","url":"https://saylorinnovations.com/api/air/quality?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","POST","PUT","PATCH","DELETE","HEAD"],"type":"string"},"queryParams":{"type":"object","required":["lat","lon"],"properties":{"lat":{"type":"string","description":"Latitude in decimal degrees, e.g. 40.71"},"lon":{"type":"string","description":"Longitude in decimal degrees, e.g. -74.01"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["us_aqi","pollutants_ugm3"],"properties":{"source":{"type":["string","null"],"description":"Data source the values come from"},"us_aqi":{"type":["number","null"],"description":"Us aqi"},"location":{"description":"Place the data refers to"},"next_24h":{"description":"Forecast summary for the next 24 hours"},"uv_index":{"type":["number","null"],"description":"Uv index"},"checked_at":{"type":["string","null"],"description":"Time the check was run (UTC)"},"health_note":{"type":["string","null"],"description":"Health note"},"observed_at":{"type":["string","null"],"description":"Time of the observation (UTC)"},"pollen_note":{"type":["string","null"],"description":"Pollen note"},"european_aqi":{"type":["number","null"],"description":"European aqi"},"pollutants_ugm3":{"type":"object","description":"Pollutants ugm3"},"us_aqi_category":{"type":["string","null"],"description":"Us aqi category"},"pollen_grains_m3":{"description":"Pollen grains m3"},"dominant_pollutant":{"type":["string","null"],"description":"Dominant pollutant"},"us_aqi_by_pollutant":{"description":"Us aqi by pollutant"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_q6IlGUrFN6JpPPmWK22J1","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns US and European AQI, per-pollutant breakdowns (PM2.5, PM10, NO2, SO2, CO, ozone), UV index, pollen counts, and 24-hour peak forecast for any lat/lon coordinate","exampleAgentPrompt":"What's the air quality right now at latitude 40.71, longitude -74.01 — give me the US AQI, the dominant pollutant, and whether pollen or UV levels are a concern today?","exampleUseCases":[{"title":"Outdoor run safety check","prompt":"I'm planning a run in Central Park this morning — can you check the air quality at latitude 40.7851, longitude -73.9683 and tell me the US AQI, what the dominant pollutant is, and what the peak will be over the next 24 hours?"},{"title":"Asthma travel advisory","prompt":"My friend has asthma and is visiting Paris next to the Eiffel Tower at about latitude 48.858, longitude 2.294 — can you pull the European AQI, PM2.5 and ozone levels, and any health notes so they know if it's safe to be outside?"},{"title":"Pollen season monitoring","prompt":"It's allergy season and I want to know the pollen count and UV index right now for my home coordinates — latitude 37.77, longitude -122.42 in San Francisco — plus whether air quality is expected to get worse in the next 24 hours."}],"resultDescription":"A JSON object with US AQI value and category, European AQI, the dominant pollutant, individual pollutant concentrations in µg/m³ (PM2.5, PM10, NO2, SO2, CO, ozone), UV index, pollen grain count, a health note, a pollen note, the observation timestamp, the check timestamp, the data source, and a next-24-hour peak forecast summary for the given coordinates.","failureModes":["Missing lat or lon parameters returns an error — both are required","Invalid or out-of-range coordinate values may return null fields or an error","No observational data available for remote or ocean coordinates — fields may return null","Third-party data source unavailability may result in null values for some pollutants","Rate limiting or payment failure returns a 402 or 4xx HTTP error"],"whenToPreferThis":"Choose this endpoint when you need comprehensive air quality data — including both US and European AQI standards, individual pollutant concentrations, UV index, pollen counts, and a 24-hour forecast — all from a single call for any lat/lon on Earth. Prefer it over weather APIs that only include AQI as a side field, or over government APIs that are region-locked (US-only or EU-only). Especially useful when you need cross-standard AQI comparison or when building health advisories that require multiple environmental signals simultaneously.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T12:43:09.564Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-air-quality-api-871afa39"}