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
278hPM2.5 Station
278h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | Hours | Stations |
|---|---|---|---|---|---|
| 2026-09-05 | 14 | 6–24 | 3.3 µg/m³ | 11h | 1 |
| 2026-09-04 | 13 | 6–22 | 3.0 µg/m³ | 15h | 1 |
| 2026-09-03 | 13 | 6–24 | 3.1 µg/m³ | 15h | 1 |
| 2026-09-02 | 14 | 5–29 | 3.3 µg/m³ | 11h | 1 |
| 2026-09-01 | 26 | 19–36 | 6.3 µg/m³ | 15h | 1 |
| 2026-08-31 | 23 | 16–32 | 5.5 µg/m³ | 11h | 1 |
| 2026-08-30 | 18 | 12–30 | 4.4 µg/m³ | 19h | 1 |
| 2026-08-29 | 30 | 15–56 | 7.2 µg/m³ | 15h | 1 |
| 2026-08-28 | 33 | 24–54 | 8.1 µg/m³ | 19h | 1 |
| 2026-08-27 | 28 | 21–43 | 6.8 µg/m³ | 17h | 1 |
| 2026-08-26 | 24 | 15–57 | 5.9 µg/m³ | 20h | 1 |
| 2026-08-25 | 20 | 8–53 | 4.8 µg/m³ | 18h | 1 |
| 2026-08-24 | 14 | 8–22 | 3.2 µg/m³ | 15h | 1 |
| 2026-08-23 | 8 | 5–20 | 1.9 µg/m³ | 9h | 1 |
| 2026-08-22 | 10 | 5–28 | 2.4 µg/m³ | 8h | 1 |
| 2026-08-21 | 22 | 18–26 | 5.3 µg/m³ | 8h | 1 |
| 2026-08-20 | 24 | 20–30 | 5.8 µg/m³ | 8h | 1 |
| 2026-08-19 | 22 | 15–33 | 5.3 µg/m³ | 9h | 1 |
| 2026-08-18 | 11 | 4–37 | 2.8 µg/m³ | 19h | 1 |
| 2026-08-17 | 15 | 7–50 | 3.7 µg/m³ | 13h | 1 |
| 2026-08-16 | 14 | 11–15 | 3.3 µg/m³ | 3h | 1 |