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Horw (Lucerne) (CH)

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

Rain
7°C
Rain
Humidity
83.3%
Wind
6 m/s
Pressure
1028.2 hPa
Direction
227°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
1° / 9°
Precip.
2.2mm
Max wind
6.4 m/s

Hourly Forecast

21.02
Now
Weather
0.5
6
21.02
12:00
Weather
0.7
6
21.02
13:00
Weather
0.5
6
21.02
14:00
Weather
0.4
6
21.02
15:00
Weather
0.1
6
21.02
16:00
Weather
21.02
17:00
Weather
21.02
18:00
Weather
21.02
19:00
Weather
21.02
20:00
Weather
21.02
21:00
Weather
21.02
22:00
Weather
21.02
23:00
Weather
22.02
00:00
Weather
22.02
01:00
Weather
22.02
02:00
Weather
22.02
03:00
Weather
22.02
04:00
Weather
22.02
05:00
Weather
22.02
06:00
Weather
22.02
07:00
Weather
22.02
08:00
Weather
22.02
09:00
Weather
22.02
10:00
Weather

Temperature

9°C
1°C
11:00
7°C
12:00
7°C
13:00
6°C
14:00
6°C
15:00
6°C
16:00
7°C
17:00
6°C
18:00
6°C
19:00
6°C
20:00
5°C
21:00
4°C
22:00
4°C
23:00
4°C
00:00
3°C
01:00
3°C
02:00
2°C
03:00
1°C
04:00
1°C
05:00
1°C
06:00
2°C
07:00
2°C
08:00
6°C
09:00
7°C
10:00
9°C
11:00 22:00 10:00

Precipitation

0.7mm
0mm
11:00
0.5mm
12:00
0.7mm
13:00
0.5mm
14:00
0.4mm
15:00
0.1mm
11:00 22:00 10:00

Wind

6.4m/s
0m/s
11:00
5.7 m/s
12:00
5.6 m/s
13:00
6.4 m/s
14:00
5.9 m/s
15:00
5.6 m/s
16:00
4.6 m/s
17:00
3.9 m/s
18:00
3.5 m/s
19:00
3.3 m/s
20:00
3.2 m/s
21:00
3.2 m/s
22:00
2.5 m/s
23:00
1.9 m/s
00:00
1.9 m/s
01:00
2 m/s
02:00
2.2 m/s
03:00
2.4 m/s
04:00
2.6 m/s
05:00
2.7 m/s
06:00
2.6 m/s
07:00
2.5 m/s
08:00
2.1 m/s
09:00
1.1 m/s
10:00
1.2 m/s
11:00 22:00 10:00

Radiation

0.103 uSv
2.7 km
12.9%

Measurement time: 2026-02-21 08:00

source: remap_europe

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
66.3 km
61
20.3%

Measurement time: 2026-02-21 11:00

Calculated from PM2.5/PM10

PM2.5
66.3 km
17 µg/m3
20.2%

Measurement time: 2026-02-21 11:00

source: Aqicn

O3
80 km
30.8 µg/m3
19.3%

Measurement time: 2026-02-21 11:00

source: Aqicn

NO2
66.3 km
13.2 µg/m3
6.6%

Measurement time: 2026-02-21 11:00

source: Aqicn

PM10
66.3 km
6 µg/m3
4.3%

Measurement time: 2026-02-21 11:00

source: Aqicn

Info


Country: Switzerland
Region: Lucerne
Latitude: 47.01692
Longitude: 8.30956


Solar Energy

Low
252 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Horw

About Air Quality in Horw

Air quality in Horw 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 Horw

  • 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 Horw?

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 Horw

If you're planning outdoor activities in Horw, 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.