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Holmestrand (Vestfold) (NO)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Cloudy
-6°C
Cloudy
Humidity
80.1%
Wind
4 m/s
Pressure
1025 hPa
Direction
51°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-8° / -5°
Precip.
0mm
Max wind
4.9 m/s

Hourly Forecast

02.02
Now
Weather
-6°
02.02
12:00
Weather
-5°
02.02
13:00
Weather
-5°
02.02
14:00
Weather
-5°
02.02
15:00
Weather
-5°
02.02
16:00
Weather
-5°
02.02
17:00
Weather
-5°
02.02
18:00
Weather
-5°
02.02
19:00
Weather
-6°
02.02
20:00
Weather
-6°
02.02
21:00
Weather
-6°
02.02
22:00
Weather
-6°
02.02
23:00
Weather
-6°
03.02
00:00
Weather
-7°
03.02
01:00
Weather
-7°
03.02
02:00
Weather
-8°
03.02
03:00
Weather
-8°
03.02
04:00
Weather
-8°
03.02
05:00
Weather
-8°
03.02
06:00
Weather
-8°
03.02
07:00
Weather
-8°
03.02
08:00
Weather
-8°
03.02
09:00
Weather
-7°
03.02
10:00
Weather
-7°

Temperature

-5°C
-8°C
11:00
-6°C
12:00
-5°C
13:00
-5°C
14:00
-5°C
15:00
-5°C
16:00
-5°C
17:00
-5°C
18:00
-5°C
19:00
-6°C
20:00
-6°C
21:00
-6°C
22:00
-6°C
23:00
-6°C
00:00
-7°C
01:00
-7°C
02:00
-8°C
03:00
-8°C
04:00
-8°C
05:00
-8°C
06:00
-8°C
07:00
-8°C
08:00
-8°C
09:00
-7°C
10:00
-7°C
11:00 22:00 10:00

Precipitation

0mm
0mm
11:00 22:00 10:00

Wind

4.9m/s
0m/s
11:00
3.5 m/s
12:00
3.6 m/s
13:00
3.9 m/s
14:00
4.2 m/s
15:00
4.4 m/s
16:00
4.8 m/s
17:00
4.9 m/s
18:00
4.7 m/s
19:00
4.5 m/s
20:00
4.1 m/s
21:00
3.8 m/s
22:00
3.5 m/s
23:00
3.2 m/s
00:00
3.3 m/s
01:00
3.2 m/s
02:00
2.8 m/s
03:00
2.7 m/s
04:00
2.7 m/s
05:00
2.9 m/s
06:00
2.9 m/s
07:00
2.8 m/s
08:00
2.8 m/s
09:00
2.7 m/s
10:00
2.6 m/s
11:00 22:00 10:00

Radiation

0.113 uSv
49.7 km
14.1%

Measurement time: 2026-02-02 11:22

source: radioactiveAtHome

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
31.1 km
67
22.3%

Measurement time: 2026-02-02 11:00

Calculated from PM2.5/PM10

PM2.5
31.1 km
20 µg/m3
23.8%

Measurement time: 2026-02-02 11:00

source: Aqicn

PM10
31.1 km
7 µg/m3
5%

Measurement time: 2026-02-02 11:00

source: Aqicn

Info


Country: Norway
Region: Vestfold
Latitude: 59.48761
Longitude: 10.31761


Solar Energy

Low
101.9 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Holmestrand

About Air Quality in Holmestrand

Air quality in Holmestrand is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Holmestrand

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Holmestrand?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Holmestrand

If you're planning outdoor activities in Holmestrand, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.