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Horn (North Rhine-Westphalia) (DE)

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
-0°C
Cloudy
Humidity
83.3%
Wind
7 m/s
Pressure
1002.4 hPa
Direction
104°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-1° / 3°
Precip.
3.3mm
Max wind
7.3 m/s

Hourly Forecast

03.02
Now
Weather
-0°
7
03.02
13:00
Weather
7
03.02
14:00
Weather
6
03.02
15:00
Weather
6
03.02
16:00
Weather
-0°
6
03.02
17:00
Weather
-1°
0.2
6
03.02
18:00
Weather
-1°
0.5
6
03.02
19:00
Weather
-1°
0.3
6
03.02
20:00
Weather
-0°
0.2
5
03.02
21:00
Weather
-0°
0.1
5
03.02
22:00
Weather
-0°
0.2
5
03.02
23:00
Weather
-0°
0.3
04.02
00:00
Weather
-0°
0.5
04.02
01:00
Weather
0.7
04.02
02:00
Weather
0.3
04.02
03:00
Weather
04.02
04:00
Weather
04.02
05:00
Weather
04.02
06:00
Weather
04.02
07:00
Weather
04.02
08:00
Weather
04.02
09:00
Weather
04.02
10:00
Weather
04.02
11:00
Weather

Temperature

3°C
-1°C
12:00
-0°C
13:00
0°C
14:00
0°C
15:00
0°C
16:00
-0°C
17:00
-1°C
18:00
-1°C
19:00
-1°C
20:00
-0°C
21:00
-0°C
22:00
-0°C
23:00
-0°C
00:00
-0°C
01:00
0°C
02:00
0°C
03:00
1°C
04:00
1°C
05:00
1°C
06:00
1°C
07:00
1°C
08:00
1°C
09:00
2°C
10:00
3°C
11:00
3°C
12:00 23:00 11:00

Precipitation

0.7mm
0mm
17:00
0.2mm
18:00
0.5mm
19:00
0.3mm
20:00
0.2mm
21:00
0.1mm
22:00
0.2mm
23:00
0.3mm
00:00
0.5mm
01:00
0.7mm
02:00
0.3mm
12:00 23:00 11:00

Wind

7.3m/s
0m/s
12:00
7.3 m/s
13:00
6.9 m/s
14:00
6 m/s
15:00
6.1 m/s
16:00
6 m/s
17:00
5.8 m/s
18:00
5.8 m/s
19:00
5.6 m/s
20:00
5.4 m/s
21:00
5.2 m/s
22:00
5.1 m/s
23:00
5 m/s
00:00
5 m/s
01:00
4.9 m/s
02:00
4.7 m/s
03:00
4.5 m/s
04:00
4.2 m/s
05:00
4 m/s
06:00
4 m/s
07:00
4.1 m/s
08:00
4.2 m/s
09:00
4.2 m/s
10:00
4.6 m/s
11:00
4.5 m/s
12:00 23:00 11:00

Radiation

0.107 uSv
7.5 km
13.4%

Measurement time: 2026-02-03 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
32 km
169
56.3%

Measurement time: 2026-02-03 11:00

Calculated from PM2.5/PM10

PM2.5
32 km
92 µg/m3
109.5%

Measurement time: 2026-02-03 11:00

source: Aqicn

O3
17.4 km
40.53 µg/m3
25.3%

Measurement time: 2026-02-03 11:22

source: OpenWeatherMap

PM10
32 km
31 µg/m3
22.1%

Measurement time: 2026-02-03 11:00

source: Aqicn

NO2
17.4 km
14.23 µg/m3
7.1%

Measurement time: 2026-02-03 11:22

source: OpenWeatherMap

CO
17.4 km
0.29656 mg/m3
2.1%

Measurement time: 2026-02-03 11:22

source: OpenWeatherMap

SO2
17.4 km
4.33 µg/m3
1.2%

Measurement time: 2026-02-03 11:22

source: OpenWeatherMap

About Air Quality in Horn

Air quality in Horn 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 Horn

  • 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 Horn?

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 Horn

If you're planning outdoor activities in Horn, 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.