50
Good · Dominant pollutant: PM10
Air quality is satisfactory; air pollution poses little or no risk.
The current Air Quality Index (AQI) in Porto is 50, categorized as Good. Air quality is satisfactory; air pollution poses little or no risk.
Pollutants & conditions
| Measurement | Value |
|---|
| PM2.5 | 38 |
| PM10 | 50 |
| Ozone (O₃) | 26.4 |
| Nitrogen Dioxide (NO₂) | 3.7 |
| Temperature (°C) | 25 |
| Humidity (%) | 33 |
| Pressure (hPa) | 1022 |
| Wind (m/s) | 2 |
| Wind Gust (m/s) | 12.3 |
| Dew Point (°C) | 8 |
PM2.5 forecast
| Date | Avg | Min | Max |
|---|
| 2026-05-21 | 66 | 38 | 80 |
| 2026-05-22 | 56 | 32 | 98 |
| 2026-05-23 | 49 | 18 | 76 |
| 2026-05-24 | 33 | 18 | 53 |
| 2026-05-25 | 60 | 53 | 65 |
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