Weather & Air Quality API - Forecast, AQI, History
Pricing
$1.00 / 1,000 location results
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Weather & Air Quality API - Forecast, AQI, History
Weather forecast, current conditions, air quality (AQI) and historical data for any place. City or coordinates. Temperature, 7-day forecast, humidity, wind, UV. Free Open-Meteo API, no key. Travel, logistics, agriculture.
Weather & Air Quality API by Open-Meteo
Fetch current weather, 7-day forecast, air quality (AQI) and optional 30-day history for any place on Earth — powered by the free, public Open-Meteo API. No API key required.
Input a list of cities (e.g. "New York, USA") or coordinates ("51.5,-0.12"). Each output record bundles everything for one location.
What you get per location
- Current weather — temperature, humidity, apparent temp, weather code, wind, pressure, is-day
- 7-day daily forecast — max/min temp, precipitation, weather code each day
- Air quality — US AQI, European AQI, PM2.5, PM10, O₃, NO₂, SO₂, CO
- Optional 30-day history — daily max/min temp & precipitation
Why it
- Official & free — no API key, no login
- Global coverage — any city or lat/lon
- Use cases: logistics route planning, agriculture, travel porters, event planning, energy, health alerts (AQI), dashboards, AI agents
Input
| Field | Type | Description |
|---|---|---|
| places | array | City names ("Tokyo, Japan") or "lat,lon" |
| includeForecast | boolean | 7-day forecast (default true) |
| includeAirQuality | boolean | AQI + pollutants (default true) |
| includeHistorical | boolean | 30-day history (default false) |
Example output
{"name": "New York","lat": 40.71, "lon": -74.0,"current": { "temperature_2m": 18.4, ... },"daily": [ { "date": "2026-09-13", "max": 22.1, "min": 14.0, "precip": 0.2 } ],"air_quality": { "us_aqi": 42, "pm25": 8.1, ... }}
Fair use
Respects Open-Meteo fair-use policy (free for non-commercial & small-scale use). Source: open-meteo.com.