Air Quality History for Chaves, Portugal
Historical PM2.5 and AQI trend from monitoring stations near Chaves, Portugal.
2
Current AQI
Good
Good
PM2.5 Trend
199h · 1 stationDaily Summary
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-04-10 | 48 | 29–63 | 12.0 µg/m³ | 31.4 | 17h | 1 |
| 2026-04-09 | 12 | 4–29 | 2.9 µg/m³ | 9.3 | 15h | 1 |
| 2026-04-08 | 17 | 17–17 | 4.0 µg/m³ | 11.5 | 6h | 1 |
| 2026-04-07 | 17 | 12–21 | 4.1 µg/m³ | 12.3 | 19h | 1 |
| 2026-04-06 | 13 | 12–17 | 3.2 µg/m³ | 7.5 | 15h | 1 |
| 2026-04-04 | 17 | 17–17 | 4.0 µg/m³ | 6.3 | 10h | 1 |
| 2026-04-03 | 18 | 17–21 | 4.3 µg/m³ | 7.0 | 20h | 1 |
| 2026-04-02 | 10 | 8–21 | 2.5 µg/m³ | 6.3 | 16h | 1 |
| 2026-04-01 | 4 | 4–4 | 1.0 µg/m³ | 4.8 | 4h | 1 |
| 2026-03-31 | 4 | 4–4 | 1.0 µg/m³ | 4.0 | 15h | 1 |
| 2026-03-30 | 4 | 4–4 | 1.0 µg/m³ | 6.1 | 8h | 1 |
| 2026-03-29 | 8 | 4–8 | 1.9 µg/m³ | 5.2 | 19h | 1 |
| 2026-03-28 | 8 | 8–8 | 2.0 µg/m³ | 6.0 | 1h | 1 |
| 2026-03-27 | 4 | 4–4 | 1.0 µg/m³ | 2.9 | 18h | 1 |
| 2026-03-26 | 10 | 4–21 | 2.4 µg/m³ | 6.2 | 10h | 1 |
| 2026-03-25 | 33 | 25–42 | 8.0 µg/m³ | 12.5 | 6h | 1 |