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API Ninjas pricing and alternatives: air quality API

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

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33% complete: 2 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 API Ninjas's 8 plans
Call: GET /v1/airquality API Ninjas's only call for this API
API: Air quality API one of API Ninjas's 7 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 2 of the 6 key fields we check. Particles, Gases.
  • Nothing to pay. You get 3,000 requests a month. Calls stop once your requests run out.
  • One call. You send lat and lon to GET /v1/airquality. You can also send city, state and country. The call returns the air quality at the place now.
  • Who can get it: anyone 18 or over. Keep data: with conditions. Use data: with conditions.

API Ninjas: air quality API alternatives

The table starts with API Ninjas's cheapest paid plan. Next come plans from other providers with the price per 1,000 places closest to API Ninjas's.

API Ninjas, $2,388 yearlySeniverse, CNY 600 pack, Extra visits 6,000,000 (额外访问量), GET /v3/air/hourly.jsonBotoi, $49 monthlyMeteosource, $199 monthlyOpen-Meteo, €1,099 yearly, API Professional, GET /v1/air-quality, Air quality
$ per 1,000 places$0.02$0.015$0.016$0.017$0.021
Completeness33%33%67%33%100%
Billingyearlypay firstmonthlymonthlyyearly
Pay$2,388CNY 600$49$199€1,099
Enough for10,000,000 calls a month6,000,000 calls100,000 calls a day400,000 calls a day5,000,000 calls a month
Freshnessunknown24 hoursliveunknownlive
Who can get itanyone 18 or overcustomers with a monthly or yearly data subscription (包年包月)anyone 18 or olderanyoneanyone

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. api-ninjas.com
  2. api-ninjas.com/api/airquality
  3. api-ninjas.com/error-codes
  4. api-ninjas.com/openapi.json
  5. api-ninjas.com/pricing
  6. api-ninjas.com/tos

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, not in the answer
Price
$ per 1,000 places$0.00
Percall
Billingfree
Charges
Also pays forfrom the same budget: 283 other calls
Overage
Units caphard
Not found
$ per 1,000$0.00
In their words
Their pitchGet air quality by city or location coordinates (latitude/longitude). Returns the air quality index (AQI) and concentrations of major pollutants.
Data
Keep datafor as long as your paid Subscription Plan remains active: once it ends or is canceled, you must immediately cease all commercial use of the Services and Output, and you may not continue to display, use, or provide Output in your commercial applications, products, or to your clients. Data caching/storing allowed: Yes on Business, Professional and Enterprise, No on Developer and Free
Use dataIf you are using the Free Subscription Plan, you may use the Services and Output solely for personal, non-commercial purposes and for development, testing, or evaluation of your Customer Applications. You may NOT: Use the Services or Output in any commercial environment. Use the Services or Output in any commercial product, service, or application, whether internal or external Share, distribute, or make available any Output or content from the Services to any third party in any form [...] Commercial use of the Services or Output is permitted while your paid Subscription Plan remains active. [...] You are strictly prohibited from using any information or Output from the Services to develop, train, maintain, or operate any API, software, database, or service that competes with API Ninjas—regardless of whether it is available on our platform or elsewhere. This prohibition extends to repackaging, redistributing, or making the Output or data accessible in any way that would compete with or substitute for our Services. [...] You agree NOT to use the Services for any purpose that: [...] Resells, redistributes, or sublicenses API access without authorization Creates competing products or services using our APIs White-labels or rebrands Output as your own data source Uses the Free plan for commercial purposes Shares or transfers API Keys to unauthorized parties [...] Attribution required: Yes (Free plan)
Plan
Pay$0
You get3,000 requests a month
Enough for3,000 calls a month
Rate limit
Per second0.028
Batch1
Speed
Median0.45 s
The call
You sendlat, lon. Optional: city, state, country
MethodGET
Path/v1/airquality
About the plan
PlanFree
Who can get itanyone 18 or over
The 13 fields the plan's answer can hold

overall AQI, carbon monoxide concentration, carbon monoxide AQI, nitrogen dioxide concentration, nitrogen dioxide AQI, ozone concentration, ozone AQI, sulfur dioxide concentration, sulfur dioxide AQI, PM2.5 concentration, PM2.5 AQI, PM10 concentration, PM10 AQI

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