What is the air quality in Horten today?

The current Air Quality Index (AQI) in Horten is 38 (Good). PM2.5 concentration is 9.1 µg/m³.

What is the temperature in Horten right now?

The current temperature in Horten is 10.2°C (feels like 10.2°C). Humidity is 88.2% and wind speed is 19.4 km/h.

Is it safe to go outside in Horten?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 1.4 (Low).

Air Quality in Horten, Norway

Drizzle

10.2°C · 88.2% humidity

10.2°

Feels 10.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

25 7am

38 10am

30 1pm

26 4pm

25 7pm

24 10pm

24 1am

24 4am

Air Quality Index Trend

47h · 4 stn

View full history →

Horten'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.

88.2%

Humidity

19.4 km/h

Wind NW

1004.5 hPa

Pressure

1.4

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.1 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Horten?

Temperature & Precipitation

PM2.5 Trend

47h · 4 stations

PM2.59.1 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX1.4

Low

Station readings (1 station within 25 km)

9.1

Median

9.1

Average

9.1

Low

9.1

High

PM2.5 µg/m³ · Model: 6.25 · Bias: -2.8

What is the 7-day forecast for Horten?

06-09

18.2° 10.2°

1.94 mm

06-10

16.4° 10.1°

06-11

21.4° 12.7°

5.69 mm

06-12

17.6° 11.5°

0.13 mm

06-13

21.2° 9.5°

0.38 mm

06-14

18.1° 12.1°

1.25 mm

06-15

20.5° 13.8°

1.06 mm

Both models agree Avg diff: 2.0°C

Where are air quality stations near Horten?

Nedre Langgate, Tonsberg, Norway

17.6 km PM2.5: 7.9 µg/m³

What cities are near Horten?

38 Moss 38 Tønsberg 24 Fredrikstad 21 Sandefjord 25 Sarpsborg 41 Drammen 37 Asker 25 Larvik 25 Kongsberg 27 Skien

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-06-09T08:04 UTC.