34
Good · Dominant pollutant: PM2.5
Air quality is satisfactory; air pollution poses little or no risk.
The current Air Quality Index (AQI) in Lisbon is 34, categorized as Good. Air quality is satisfactory; air pollution poses little or no risk.
Pollutants & conditions
| Measurement | Value |
|---|
| PM2.5 | 34 |
| PM10 | 18 |
| Ozone (O₃) | 33.3 |
| Nitrogen Dioxide (NO₂) | 18.8 |
| Sulfur Dioxide (SO₂) | 2.1 |
| Temperature (°C) | 29 |
| Humidity (%) | 30 |
| Pressure (hPa) | 1021 |
| Wind (m/s) | 3 |
| Wind Gust (m/s) | 8.7 |
| Dew Point (°C) | 10 |
PM2.5 forecast
| Date | Avg | Min | Max |
|---|
| 2026-05-21 | 55 | 41 | 68 |
| 2026-05-22 | 60 | 44 | 86 |
| 2026-05-23 | 36 | 27 | 57 |
| 2026-05-24 | 53 | 39 | 78 |
| 2026-05-25 | 57 | 43 | 79 |
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