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ReefAPI pricing and alternatives: air quality API

ReefAPI's sitellms.txtBest air quality API in 2026: pricing compared

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50% complete: 3 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 placesWe rank 94 plans by price. OpenWeather's £370 monthly plan is the cheapest paid plan per 1,000 places: $0.00049.WeatherAPI.com, Open-Meteo and Weatherbit are the best air quality API providers in our benchmark.
Plan: Free one of ReefAPI's 11 plans
Call: POST /weather-intel/v1/air_quality ReefAPI's only call for this API
API: Air quality API one of ReefAPI's 44 APIs

About this item

  • Live. ReefAPI reads the air quality when you call the API.
  • 3 of the 6 key fields we check. US AQI, Particles, Gases.
  • Nothing to pay. You get 1,000 credits, enough for 1,000 calls. Calls stop once your credits run out. Credits never expire.
  • One call. You send lat and lon to POST /weather-intel/v1/air_quality. You can also send radius_km. The call returns the air quality at the place now.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

ReefAPI: air quality API alternatives

The table starts with ReefAPI's cheapest paid plan. Next come plans from other providers with the price per 1,000 places closest to ReefAPI's. Each plan in the table gives live data.

ReefAPI, $1,200 yearlyWeatherAPI.com, $65 monthlyBotoi, $9 monthlyOpen-Meteo, €29 monthly, API Standard, GET /v1/air-quality, Air quality, fullSeniverse, CNY 999 pack, Visit pack 500,000 (访问量套餐), GET /v3/air/now.json
$ per 1,000 places$0.333$0.0065$0.03$0.098$0.299
Completeness50%50%67%100%33%
Billingyearlymonthlymonthlymonthlypay first
Pay$1,200$65$9€29CNY 999
Enough for300,000 calls a month10,000,000 calls a month10,000 calls a dayabout 333,333 calls a month500,000 calls
Freshnesslivelivelivelivelive
Who can get itanyoneanyoneanyone 18 or olderanyoneanyone with a Seniverse account

Every air quality API provider we score, ranked

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-30.

  1. reefapi.com
  2. reefapi.com/_next/static/chunks/app/pricing/page-560e08c02e869119.js
  3. reefapi.com/docs
  4. reefapi.com/docs/weather-intel
  5. reefapi.com/docs/weather-intel.md
  6. reefapi.com/pricing
  7. reefapi.com/refunds
  8. reefapi.com/terms

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • US AQI
  • European AQI, not in the answer
  • Particles
  • Gases
  • Pollen, not in the answer
  • UV index, not in the answer
Price
$ per 1,000 places$0.00
Percall
Billingfree
Charges
Also pays forfrom the same budget: 3,551 other calls
Overage
Units caphard
Not found
$ per 1,000$0.00
In their words
Their pitchnearest-station air quality (OpenAQ v3): pollutants + computed AQI-US/EAQI-EU + station distance + measurement freshness, honest insufficient_data when no station
Data
Freshnesslive
Keep datano limit
Use dataYou are solely responsible for how you use the data you retrieve and for ensuring your use complies with all applicable laws, third-party terms, and the rights of others (including data-protection, intellectual-property, and anti-spam laws) in your jurisdiction and your users'. You will not use the Service to break the law, infringe rights, send spam, or build a competing bulk-redistribution product. [...] Don't attempt to circumvent authentication, rate limits, or credit metering, don't probe, scan, or stress the Service except your own account within posted limits. [...] Where a source requires attribution, we surface it in the response meta, honor it.
Plan
Pay$0
You get1,000 credits
Enough for1,000 calls
Expiresnever
Rate limit
Per second10
Batch1
Speed
Median2.10 s
The call
You sendlat, lon. Optional: radius_km
MethodPOST
Path/weather-intel/v1/air_quality
About the plan
PlanFree
Who can get itanyone
The 28 fields the plan's answer can hold

PM2.5, PM10, ozone, nitrogen dioxide, sulphur dioxide, carbon monoxide, pollutant unit, pollutant measured at, pollutant reading age, pollutant station, pollutant station distance, pollutant provider, US AQI, US AQI category, US AQI dominant pollutant, EU AQI, EU AQI category, nearest station distance, stations, stale readings skipped, insufficient data, source updated at, fetched at, staleness minutes, stale, confidence, attribution, disclaimer

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