Porto Air Quality
Current air-quality information for Porto, Portugal.
Air quality is generally considered satisfactory.
World Air Quality Index Project (WAQI) · Updated 2026-10-16T17:00:00+02:00Health context
At the current AQI of 21, Porto is in the Good category on the displayed AQI scale. Most people can continue normal outdoor activities. Current pollutant values shown for Porto are PM2.5 21 µg/m³, PM10 16 µg/m³, O₃ 17.5 µg/m³, NO₂ 4.2 µg/m³. The current reading is identified on this page as World Air Quality Index Project (WAQI).
Air-quality information is not medical advice. People with asthma, heart or lung disease, children, older adults and other sensitive groups may need to take additional precautions when pollution is elevated.
Recent History & Forecast
This chart shows atmospheric-model AQI history and forecast from Open-Meteo / Copernicus Atmosphere Monitoring Service (CAMS) model. It is separate from any monitoring-station observation shown in the Current AQI card.
What does AQI 21 mean in Porto?
Porto currently has an AQI of 21, which falls in the Good category. This indicates relatively low overall air pollution on the displayed AQI scale. Normal outdoor activity is generally appropriate for most people. The pollutant values currently shown for Porto are PM2.5 21 µg/m³, PM10 16 µg/m³, O₃ 17.5 µg/m³, NO₂ 4.2 µg/m³. The displayed current conditions are identified as World Air Quality Index Project (WAQI).
Nearby cities
- Vigo air quality — approximately 121 km away
- A Coruña air quality — approximately 248 km away
- Lisbon air quality — approximately 274 km away
- Valladolid air quality — approximately 329 km away
- Gijón air quality — approximately 359 km away
- Latina air quality — approximately 418 km away
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