Air Quality in Halden, Norway
Drizzle
13.7°C · 58.9% humidity
13.7°
Feels 13.7°
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Halden's air quality — share it
AQI Forecast
Calibrated
14
1pm
14
14
14
4pm
14
14
14
7pm
14
14
14
10pm
14
14
14
1am
14
14
15
4am
15
15
15
7am
15
15
14
10am
14
14
Station readings
15
7
6
CAMS model
adj -10
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
25
25
25
25
25
25
24
24
24
Air Quality Index Trend
29h · 1 stnHalden's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.
58.9%
Humidity
22.9 km/h
Wind WNW
1013.8 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
3.4 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Halden?
Temperature & Precipitation
PM2.5 Trend
29h · 1 stationPM2.53.4 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
Station readings (1 station within 25 km)
3.4
Median
3.4
Average
3.4
Low
3.4
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +2.4
What is the 7-day forecast for Halden?
09-05
13.7° 5.4°
1.0 mm
09-06
17.8° 9.2°
09-07
13.3° 9.7°
1.0 mm
09-08
19.2° 10.9°
1.94 mm
09-09
15.0° 10.9°
5.63 mm
09-10
16.7° 8.3°
09-11
10.1° 5.7°
9.75 mm
Both models agree
Avg diff: 2.6°C
Where are air quality stations near Halden?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T14:00 UTC.