Air Quality History for Alfena, Portugal
Historical PM2.5 and AQI trend from monitoring stations near Alfena, Portugal.
4
Current AQI
Good Station
Good Station
Air Quality Index Station
237hPM2.5 Station
237h · 1 stationTemperature GFS model
56ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-06-09 | 22 | 3–43 | 5.2 µg/m³ | 7.9 | 14h | 1 |
| 2026-06-08 | 7 | 1–15 | 1.6 µg/m³ | 0.8 | 18h | 1 |
| 2026-06-07 | 18 | 2–35 | 4.2 µg/m³ | 5.8 | 17h | 1 |
| 2026-06-06 | 19 | 1–162 | 7.5 µg/m³ | 8.6 | 13h | 1 |
| 2026-06-05 | 6 | 1–19 | 1.4 µg/m³ | 1.7 | 11h | 1 |
| 2026-06-04 | 8 | 1–54 | 2.0 µg/m³ | 2.5 | 13h | 1 |
| 2026-06-03 | 4 | 1–17 | 0.9 µg/m³ | 1.0 | 9h | 1 |
| 2026-06-02 | 4 | 2–6 | 0.7 µg/m³ | 0.6 | 4h | 1 |
| 2026-06-01 | 27 | 5–82 | 7.3 µg/m³ | 12.2 | 15h | 1 |
| 2026-05-31 | 20 | 2–53 | 4.9 µg/m³ | 7.1 | 21h | 1 |
| 2026-05-30 | 46 | 10–61 | 12.1 µg/m³ | 21.4 | 23h | 1 |
| 2026-05-29 | 48 | 30–61 | 11.9 µg/m³ | 20.4 | 24h | 1 |
| 2026-05-28 | 38 | 19–58 | 9.3 µg/m³ | 15.0 | 24h | 1 |
| 2026-05-27 | 46 | 21–61 | 11.5 µg/m³ | 17.9 | 24h | 1 |
| 2026-05-26 | 33 | 28–45 | 8.0 µg/m³ | 11.1 | 7h | 1 |