# Open-Meteo, free, GET /v1/air-quality, Air quality: Air quality API

> Get accurate forecasts for gases, particulate matter (PM), and pollen with the Air Quality API.

Open-Meteo's air quality API on its Free plan. It costs $0.00 per 1,000 places. It returns all 6 key fields we check. 4 are in the plan's price: US AQI, European AQI, Particles, Gases. 2 cost extra: Pollen, UV index.
We rank 94 plans by price. [OpenWeather's £370 monthly plan](https://datacircle.dev/air-quality-apis/openweather/370-monthly-professional-get-data-2-5-air-pollution/llms.txt) is the cheapest paid plan per 1,000 places: $0.00049.
[WeatherAPI.com](https://datacircle.dev/air-quality-apis/weatherapi-com/7-monthly/llms.txt), [Open-Meteo](https://datacircle.dev/air-quality-apis/open-meteo/99-monthly-api-professional-get-v1-air-quality-air-quality/llms.txt) and [Weatherbit](https://datacircle.dev/air-quality-apis/weatherbit/495-monthly-business-get-v2-0-forecast-airquality/llms.txt) are the best air quality API providers in our benchmark.

- This page: https://datacircle.dev/air-quality-apis/open-meteo/free-get-v1-air-quality-air-quality
- [Best air quality API in 2026: pricing compared](https://datacircle.dev/best-air-quality-api.txt)
- Get it: https://open-meteo.com/en/pricing
- Request: `GET https://air-quality-api.open-meteo.com/v1/air-quality`, Air quality
- API key: not needed
- Its API docs: https://open-meteo.com/en/docs/air-quality-api
- Sold by: Open-Meteo (https://open-meteo.com)
- Checked: 2026-10-30

## In the answer

- Completeness: 100%
- US AQI: ✓
- European AQI: ✓
- Particles: ✓
- Gases: ✓
- Pollen: ✓ costs more
- UV index: ✓ costs more

## Price

- $ per 1,000 places: $0.00
- Per: call
- Billing: free

## Charges

- Extra fields: UV index: +$0.00 · UV index clear sky: +$0.00 · ammonia: +$0.00 · pollen: +$0.00 · European AQI by pollutant: +$0.00 · US AQI by pollutant: +$0.00
- Also pays for: from the same budget: Forecast API · Marine API · Flood API · Elevation API · Geocoding API

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Get accurate forecasts for gases, particulate matter (PM), and pollen with the Air Quality API.

## Data

- Freshness: live
- Keep data: While you are permitted to utilise and distribute the data, including for commercial purposes, attribution is a requirement under this licence.
- Use data: Free API: "You may only use the free API services for non-commercial purposes. You accept to the CC-BY 4.0 licence" (terms), paid plans: "A subscription grants a commercial use licence" (pricing page).

## Plan

- Pay: $0
- You get: 300,000 requests a month
- Enough for: 300,000 calls a month

## Rate limit

- Per day: 10,000
- Per second: 1.39

## Speed

- Median: 0.00 s

## The call

- You send: latitude, longitude, current or hourly (the variables you want). Optional: forecast_days (up to 7), past_days, domains, timezone
- Method: GET
- Path: /v1/air-quality

## About the plan

- Plan: Free
- Who can get it: anyone, for non-commercial use alone

## The 20 fields the plan's answer can hold

latitude, longitude, elevation, time zone, time zone abbreviation, UTC offset, generation time, units, time read, interval, US AQI, European AQI, PM2.5, PM10, dust, aerosol optical depth, carbon monoxide, nitrogen dioxide, sulphur dioxide, ozone

## Open-Meteo's plans (8)

- [Open-Meteo, free, GET /v1/air-quality, Air quality](https://datacircle.dev/air-quality-apis/open-meteo/free-get-v1-air-quality-air-quality/llms.txt): $0.00 per 1,000, 100% complete, live
- [Open-Meteo, €29 monthly, API Standard, GET /v1/air-quality, Air quality](https://datacircle.dev/air-quality-apis/open-meteo/29-monthly-api-standard-get-v1-air-quality-air-quality/llms.txt): $0.033 per 1,000, 100% complete, live
- [Open-Meteo, €99 monthly, API Professional, GET /v1/air-quality, Air quality](https://datacircle.dev/air-quality-apis/open-meteo/99-monthly-api-professional-get-v1-air-quality-air-quality/llms.txt): $0.022 per 1,000, 100% complete, live
- [Open-Meteo, €160 monthly, API Professional (10 million calls), GET /v1/air-quality, Air quality](https://datacircle.dev/air-quality-apis/open-meteo/160-monthly-api-professional-10-million-calls-get-v1-air-quality-air-quality/llms.txt): $0.018 per 1,000, 100% complete, live
- [Open-Meteo, €319 yearly, API Standard, GET /v1/air-quality, Air quality](https://datacircle.dev/air-quality-apis/open-meteo/319-yearly-api-standard-get-v1-air-quality-air-quality/llms.txt): $0.03 per 1,000, 100% complete, live
- [Open-Meteo, €1,099 yearly, API Professional, GET /v1/air-quality, Air quality](https://datacircle.dev/air-quality-apis/open-meteo/1099-yearly-api-professional-get-v1-air-quality-air-quality/llms.txt): $0.021 per 1,000, 100% complete, live
- [Open-Meteo, €1,760 yearly, API Professional (10 million calls), GET /v1/air-quality, Air quality](https://datacircle.dev/air-quality-apis/open-meteo/1760-yearly-api-professional-10-million-calls-get-v1-air-quality-air-quality/llms.txt): $0.017 per 1,000, 100% complete, live
- [Open-Meteo, contact us, API Enterprise (50 million API calls), GET /v1/air-quality, Air quality](https://datacircle.dev/air-quality-apis/open-meteo/contact-us-api-enterprise-50-million-api-calls-get-v1-air-quality-air-quality/llms.txt): 100% complete, live

## Open-Meteo's calls for this API (2)

- `GET /v1/air-quality`, Air quality: [Open-Meteo, free, GET /v1/air-quality, Air quality](https://datacircle.dev/air-quality-apis/open-meteo/free-get-v1-air-quality-air-quality/llms.txt)
- `GET /v1/air-quality`, Air quality, full: [Open-Meteo, free, GET /v1/air-quality, Air quality, full](https://datacircle.dev/air-quality-apis/open-meteo/free-get-v1-air-quality-air-quality-full/llms.txt)

## Open-Meteo's APIs (3)

- [Open-Meteo: air quality API pricing, 8 plans, GET /v1/air-quality, Air quality](https://datacircle.dev/air-quality-apis/open-meteo/free-get-v1-air-quality-air-quality/llms.txt)
- [Open-Meteo: current weather API pricing, 8 plans, GET /v1/forecast, Current weather](https://datacircle.dev/current-weather-apis/open-meteo/free-get-v1-forecast-current-weather/llms.txt)
- [Open-Meteo: current weather API pricing, 8 plans, GET /v1/forecast, Current weather, full](https://datacircle.dev/current-weather-apis/open-meteo/free-get-v1-forecast-current-weather-full/llms.txt)
- [Open-Meteo: weather forecast API pricing, 8 plans, GET /v1/forecast, Weather forecast](https://datacircle.dev/weather-forecast-apis/open-meteo/free-get-v1-forecast-weather-forecast/llms.txt)
- [Open-Meteo: weather forecast API pricing, 8 plans, GET /v1/forecast, Weather forecast, full](https://datacircle.dev/weather-forecast-apis/open-meteo/free-get-v1-forecast-weather-forecast-full/llms.txt)

## Open-Meteo: air quality API alternatives

- [WeatherAPI.com, $65 monthly](https://datacircle.dev/air-quality-apis/weatherapi-com/65-monthly/llms.txt): $0.0065 per 1,000, 50% complete, live
- [Seniverse, CNY 600 pack, Extra visits 6,000,000 (额外访问量), GET /v3/air/now.json](https://datacircle.dev/air-quality-apis/seniverse/cny-600-pack-extra-visits-6000000-get-v3-air-now-json/llms.txt): $0.015 per 1,000, 33% complete, live
- [Botoi, $49 monthly](https://datacircle.dev/air-quality-apis/botoi/49-monthly/llms.txt): $0.016 per 1,000, 67% complete, live
- [ReefAPI, $1,200 yearly](https://datacircle.dev/air-quality-apis/reefapi/1200-yearly/llms.txt): $0.333 per 1,000, 50% complete, live

## 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.

- https://open-meteo.com/
- https://open-meteo.com/en/docs/air-quality-api
- https://open-meteo.com/en/licence
- https://open-meteo.com/en/pricing
- https://open-meteo.com/en/terms