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Seniverse pricing and alternatives: air quality API, GET /v3/air/now.json

Seniverse'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: Trial (试用版) one of Seniverse's 17 plans
Call: GET /v3/air/now.json one of Seniverse's 3 calls for this API
API: Air quality API one of Seniverse's 3 APIs

About this item

  • Live. Seniverse reads the air quality when you call the API.
  • 2 of the 6 key fields we check. Particles, Gases.
  • Nothing to pay. You get 10,000 requests. Unused requests expire after 14 days.
  • One call. You send location to GET /v3/air/now.json. You can also send language and scope. The call returns the air quality at the place now.
  • Who can get it: anyone with a Seniverse account. Keep data: no caching of its data without its authorization. Use data: with conditions.

Seniverse: air quality API alternatives

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

Seniverse, CNY 6,000 pack, Extra visits 100,000,000 (额外访问量), GET /v3/air/now.jsonWeatherAPI.com, $65 monthlyBotoi, $199 monthlyOpen-Meteo, €1,760 yearly, API Professional (10 million calls), GET /v1/air-quality, Air qualityReefAPI, $1,200 yearly
$ per 1,000 places$0.009$0.0065$0.0066$0.017$0.333
Completeness33%50%67%100%50%
Billingpay firstmonthlymonthlyyearlyyearly
PayCNY 6,000$65$199€1,760$1,200
Enough for100,000,000 calls10,000,000 calls a month1,000,000 calls a day10,000,000 calls a month300,000 calls a month
Freshnesslivelivelivelivelive
Who can get itcustomers with a monthly or yearly data subscription (包年包月)anyoneanyone 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. docs.seniverse.com/account/certify/upgrade.html
  2. docs.seniverse.com/account/term/terms.html
  3. docs.seniverse.com/api/air/now.html
  4. docs.seniverse.com/api/start/common.html
  5. docs.seniverse.com/api/start/key.html
  6. docs.seniverse.com/product/buy/enterprise.html
  7. docs.seniverse.com/product/service/source.html
  8. seniverse.com/api
  9. seniverse.com/pricing
  10. seniverse.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, 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: Weather now · Daily weather forecast · Hourly weather forecast, 24 hours · Historical weather, past 24 hours · Weather alerts · Air quality city ranking · Historical air quality, past 24 hours · Daily air quality forecast · Hourly air quality forecast · Life index · Lunar calendar, solar terms and zodiac · Vehicle plate restrictions · Hourly tide forecast · Sunrise and sunset · Moonrise, moonset and moon phase · City search
Not found
$ per 1,000$0.00
In their words
Their pitch获取指定城市的AQI、PM2.5、PM10、一氧化碳、二氧化氮、臭氧等空气质量信息。
Data
Freshnesslive
Keep datano caching of its data without its authorization
Use data您无权实施包括但不限于下列行为：以任何方式对心知天气的产品和服务进行干扰、破坏、修改或施加其他影响；以任何特殊方式恶意获取心知天气数据；在未获得心知天气授权的情况下，缓存心知天气数据；在获得天气数据后，将相关数据出租、出借、复制、转载、发表、出版，擅自借助本服务发展与之有关的衍生产品、服务、插件或者向任何第三方分发、销售或再授权；利用本服务发表、传送、传播、储存违反国家法律、危害国家安全、祖国统一、社会稳定、公序良俗的内容，或任何不当的、侮辱诽谤的、淫秽的、暴力的及任何违反国家法律法规政策的内容；其他以任何不合法的方式、为任何不合法的目的、或以任何与本协议不一致的方式使用本协议提供的所有服务。 [...] 您在使用本服务过程中不得屏蔽此类广告信息；
Plan
PayCNY 0
You get10,000 requests
Enough for10,000 calls
Expires14 days
Rate limit
Per second10
Batch1
The call
You sendlocation. Optional: language, scope
MethodGET
Path/v3/air/now.json
About the plan
PlanTrial (试用版)
Who can get itanyone with a Seniverse account
The 19 fields the plan's answer can hold

location ID, location name, country code, location path, time zone, UTC offset, AQI, PM2.5 concentration, PM10 concentration, sulfur dioxide concentration, nitrogen dioxide concentration, carbon monoxide concentration, ozone concentration, dominant pollutant, category, update time, monitoring station name, monitoring station latitude, monitoring station longitude

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