{"uid":"cap_lHkuJQb6s6l-Or2joknKQ","slug":"environment-screen-aqi-converter-6fa0cfdc","name":"Environment Screen AQI Converter","description":"Convert a PM2.5, PM10, ozone or NO2 concentration to its US EPA AQI number and category (2024 PM2.5 table).","url":"https://environment-screen.x402tookit.com/aqi-category?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"],"type":"string"},"queryParams":{"type":"object","required":["pollutant","value"],"properties":{"unit":{"type":"string","description":"ugm3, ppm or ppb (defaults: pm ugm3, o3 ppm, no2 ppb)"},"value":{"type":"number","description":"Concentration (pm: ug/m3; o3: ppm; no2: ppb unless unit given)"},"revision":{"type":"string","description":"PM2.5 table: 2024 (default, current) or 2012 (previous)"},"pollutant":{"type":"string","description":"pm25, pm10, o3 or no2"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"aqi":{"type":["null","number"]},"asOf":{"type":["null","string"]},"source":{"type":["null","string"]},"reasons":{"type":["array","null"]},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"category":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"inputUnit":{"type":["null","string"]},"pollutant":{"type":["null","string"]},"categories":{"type":["array","null"],"items":{"type":"object","properties":{"name":{"type":["null","string"]},"upTo":{"type":["null","number"]}}}},"disclaimer":{"type":["null","string"]},"inputValue":{"type":["null","number"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"tableValue":{"type":["null","number"]},"pm25Revision":{"type":["null","string"]},"averagingAssumed":{"type":["null","string"]},"truncatedValueUsed":{"type":["null","number"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_OnWQFubyL5qMfrJJ-KUl3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a raw air pollutant concentration (PM2.5, PM10, ozone, or NO2) into its US EPA AQI number and category using the 2024 EPA breakpoint table.","exampleAgentPrompt":"What's the US EPA AQI number and category for a PM2.5 concentration of 45.2 ug/m3 using the current 2024 table?","exampleUseCases":[{"title":"Sensor reading health classification","prompt":"I've got a reading from my outdoor air quality sensor showing 88 ug/m3 PM2.5 — can you tell me what US EPA AQI number and health category that corresponds to using the 2024 table?"},{"title":"Ozone level AQI check","prompt":"What's the AQI and category for an ozone concentration of 0.065 ppm? I want to know if it's in the Good, Moderate, or Unhealthy range."},{"title":"NO2 measurement interpretation","prompt":"My NO2 monitor just read 120 ppb — convert that to the US EPA AQI index value and tell me what category it falls into so I can decide whether to warn residents."}],"resultDescription":"Returns the computed AQI integer, the named AQI category (e.g. 'Good', 'Moderate', 'Unhealthy for Sensitive Groups'), a plain-language summary and verdict, the truncated concentration value used in the calculation, the assumed averaging period, the PM2.5 revision applied, the full breakpoint table for that pollutant, and any relevant disclaimers or reasons.","failureModes":["Missing required pollutant or value parameter returns a validation error","Concentration value outside supported range may return null AQI with explanatory reasons","Invalid pollutant string (e.g. not pm25/pm10/o3/no2) causes a rejection","Unsupported unit string causes an error","Requesting an unknown revision year (not 2024 or 2012) for PM2.5 may return an error"],"whenToPreferThis":"Choose this endpoint when you have a raw pollutant concentration from a sensor, model, or dataset and need to convert it into the standardized US EPA AQI index and named health category — especially when you need the 2024 updated PM2.5 breakpoints. Prefer this over location-based AQI endpoints when you already have the measured concentration and do not need real-time data fetched from a geographic source.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-02T12:31:05.799Z","isFirstParty":false,"canonicalSlug":"environment-screen-aqi-converter-6fa0cfdc"}