Air Quality History for Halden, Norway
Historical PM2.5 and AQI trend from monitoring stations near Halden, Norway.
18
Current AQI
Good Station
Good Station
Air Quality Index Station
85hPM2.5 Station
85h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | Hours | Stations |
|---|---|---|---|---|---|
| 2026-08-08 | 26 | 21–30 | 6.2 µg/m³ | 5h | 1 |
| 2026-08-07 | 13 | 7–18 | 3.2 µg/m³ | 10h | 1 |
| 2026-08-06 | 25 | 20–27 | 5.9 µg/m³ | 3h | 1 |
| 2026-08-05 | 36 | 13–59 | 8.9 µg/m³ | 6h | 1 |
| 2026-08-04 | 16 | 11–21 | 3.7 µg/m³ | 8h | 1 |
| 2026-08-03 | 6 | 4–12 | 1.6 µg/m³ | 4h | 1 |
| 2026-08-02 | 12 | 12–12 | 2.9 µg/m³ | 1h | 1 |
| 2026-08-01 | 8 | 4–11 | 1.8 µg/m³ | 3h | 1 |
| 2026-07-31 | 29 | 24–38 | 7.0 µg/m³ | 4h | 1 |
| 2026-07-30 | 67 | 67–67 | 19.7 µg/m³ | 1h | 1 |
| 2026-07-29 | 15 | 15–15 | 3.6 µg/m³ | 1h | 1 |
| 2026-07-28 | 7 | 5–9 | 1.7 µg/m³ | 2h | 1 |
| 2026-07-27 | 6 | 4–7 | 1.4 µg/m³ | 3h | 1 |
| 2026-07-26 | 17 | 12–25 | 4.0 µg/m³ | 3h | 1 |
| 2026-07-25 | 26 | 9–59 | 6.6 µg/m³ | 4h | 1 |
| 2026-07-24 | 38 | 24–51 | 9.2 µg/m³ | 6h | 1 |
| 2026-07-23 | 7 | 4–8 | 1.6 µg/m³ | 7h | 1 |
| 2026-07-22 | 17 | 5–58 | 4.4 µg/m³ | 9h | 1 |
| 2026-07-21 | 59 | 59–59 | 15.9 µg/m³ | 1h | 1 |
| 2026-07-20 | 7 | 5–9 | 1.6 µg/m³ | 3h | 1 |
| 2026-07-19 | 5 | 5–5 | 1.2 µg/m³ | 1h | 1 |