Air Quality in Horten, Norway
Drizzle
11.8°C · 72.5% humidity
11.8°
Feels 11.8°
11
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Horten's air quality — share it
AQI Forecast
Calibrated
12
11am
12
13
11
2pm
12
12
12
5pm
12
12
12
8pm
12
12
12
11pm
12
12
12
2am
15
13
13
5am
13
12
13
8am
12
12
Station readings
15
13
11
CAMS model
adj -12
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
27
25
25
25
24
25
24
24
Air Quality Index Trend
33h · 2 stnHorten'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.
72.5%
Humidity
9.1 km/h
Wind WNW
1014.4 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
2.72 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Horten?
Temperature & Precipitation
PM2.5 Trend
33h · 2 stationsPM2.52.72 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
Station readings (2 stations within 25 km)
2.72
Median
2.55
Average
2.2
Low
2.9
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +3.1
What is the 7-day forecast for Horten?
09-05
11.8° 7.8°
0.94 mm
09-06
16.6° 11.2°
09-07
15.7° 10.7°
1.5 mm
09-08
18.0° 12.8°
4.13 mm
09-09
14.6° 11.8°
2.5 mm
09-10
16.8° 10.8°
09-11
10.4° 6.5°
19.56 mm
Both models agree
Avg diff: 2.7°C
Where are air quality stations near Horten?
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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 2026-09-05T12:15 UTC.