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WAQI pricing and alternatives: air quality API

WAQI'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 placesHalf of the 94 plans we rank by price cost $0.051 per 1,000 places or less. This plan and 2 others tie for the lowest price per 1,000 places of the 94 plans.WeatherAPI.com, Open-Meteo and Weatherbit are the best air quality API providers in our benchmark.
Plan: Free WAQI's only plan
Call: GET /feed/geo:{lat}%3B{lng}/ WAQI's only call
API: Air quality API WAQI's only API

About this item

  • Live. WAQI reads the air quality when you call the API.
  • 3 of the 6 key fields we check. Particles, Gases, UV index.
  • Nothing to pay. WAQI limits how many calls you get but gives no number.
  • One call. You send lat and lng to GET /feed/geo:{lat}%3B{lng}/. The call returns the air quality at the place now.
  • Who can get it: with conditions. Keep data: with conditions. Use data: with conditions.

WAQI: air quality API alternatives

We list other providers' plans closest to this plan in price per 1,000 places. Each plan in the table gives live data.

This planWAQI, freeWeatherAPI.com, freeOpen-Meteo, free, GET /v1/air-quality, Air qualityBotoi, freeReefAPI, free
$ per 1,000 places$0.00$0.00$0.00$0.00$0.00
Completeness50%33%100%67%50%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough fornot published100,000 calls a month300,000 calls a month1,000 calls a day1,000 calls
Freshnesslivelivelivelivelive
Who can get itanyone who agrees with the Terms of Service and gives an email and a name for a token, public usage by for-profit corporations requires explicit agreement wit the World Air Quality Index team, and by non-profit organization prior notification (by email) to the World Air Quality Index teamanyoneanyone, for non-commercial use aloneanyone 18 or olderanyone

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. aqicn.org/api/
  2. aqicn.org/api/tos/
  3. aqicn.org/data-platform/token/
  4. aqicn.org/json-api/doc/

Product details

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

  • US AQI, not in the answer
  • European AQI, not in the answer
  • Particles
  • Gases
  • Pollen, not in the answer
  • UV index
Price
$ per 1,000 places$0.00
Percall
Billingfree
Charges
Also pays fornothing else
Not found
$ per 1,000$0.00
In their words
Their pitchThe JSON API can be used for advanced programmatic integration: Access to more than 11000 station-level and 1000 city-level data
Data
Freshnesslive
Keep dataThe data can not be redistributed as cached or archived data (where data refers to the data obtained from the APIs)
Use dataThe data can not be sold or included in sold packages. The data can not be used in paid applications or services. The data can not be redistributed as cached or archived data. [...] Attribution to the World Air Quality Index Project as well as originating EPA is mandatory. Public usage by for-profit corporations requires explicit agreement wit the World Air Quality Index team. Public usage by non-profit organization requires prior notification (by email) to the World Air Quality Index team.
Plan
Pay$0
Rate limit
Batch1
The call
You sendlat, lng
MethodGET
Path/feed/geo:{lat}%3B{lng}/
About the plan
PlanFree
Who can get itanyone who agrees with the Terms of Service and gives an email and a name for a token, public usage by for-profit corporations requires explicit agreement wit the World Air Quality Index team, and by non-profit organization prior notification (by email) to the World Air Quality Index team
The 19 fields the plan's answer can hold

overall AQI, station ID, station name, station coordinates, station URL, measurement time, measurement time zone, EPA attributions, PM2.5 AQI, PM10 AQI, nitrogen dioxide AQI, carbon monoxide AQI, sulfur dioxide AQI, ozone AQI, PM2.5 forecast, PM10 forecast, ozone forecast, UV index forecast, status

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