Air Quality in Halden, Norway

Drizzle
10.2°C · 92.5% humidity
10.2°
Feels 10.2°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
25 11pm
27
27
37 2am
32
30
29 5am
28
27
26 8am
26
25
24 11am
25
24
24 2pm
24
24
24 5pm
24
25
25 8pm
25
25
AD 728×90

Air Quality Index Trend

47h · 3 stn

Halden'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.

92.5%
Humidity
10.9 km/h
Wind SW
1002.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
37
8.8 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Halden?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.58.8 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
8.8
Median
8.8
Average
8.2
Low
9.4
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -2.3

What is the 7-day forecast for Halden?

06-09
16.6° 10.1°
0.69 mm
06-10
18.7° 7.9°
0.25 mm
06-11
23.4° 12.6°
2.38 mm
06-12
16.2° 10.4°
0.94 mm
06-13
18.7° 7.0°
4.63 mm
06-14
18.1° 11.7°
1.81 mm
06-15
22.2° 12.2°
Both models agree Avg diff: 2.5°C

Where are air quality stations near Halden?

39
Alvim, Sarpsborg, Norway
23.7 km PM2.5: 9.4 µg/m³
34
Alvim, Sarpsborg, Norway
23.7 km PM2.5: 8.2 µg/m³

What cities are near Halden?

37 Sarpsborg 26 Fredrikstad 45 Moss 29 Tønsberg 41 Horten 29 Sandefjord 26 Larvik 25 Uddevalla 28 Lillestrøm 32 Oslo
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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 2026-06-09T00:50 UTC.