Openweathermap Api -
curl "https://api.openweathermap.org/data/2.5/air_pollution?lat=35.68&lon=139.76&appid=YOUR_API_KEY" OpenWeatherMap returns standard HTTP status codes:
Error response example:
API key ( appid ) required for all requests. 2. Key Features | Feature | Description | |-----------------------|-----------------------------------------------------------------------| | Real-time data | Current weather for any location (city name, coordinates, ZIP, city ID) | | 5-day forecast | 3-hour step forecast, up to 5 days | | 16-day daily forecast | Daily summaries (paid plans) | | Historical data | Hourly or daily historical records (paid plans) | | Air pollution | Current, forecasted, and historical air quality data (CO, NO₂, O₃, PM2.5, PM10) | | Weather maps | Tile layers for wind, temp, precipitation, pressure | | Units | Metric, imperial, or Kelvin (default) | | Multilingual support | Weather descriptions in 40+ languages | 3. API Endpoints (Selected) 3.1 Current Weather Data Endpoint: /weather openweathermap api