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Altstadt Nord (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
10°C
Cloudy
Humidity
87.7%
Wind
5 m/s
Pressure
1021.8 hPa
Direction
250°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
9° / 12°
Precip.
13.1mm
Max wind
6.6 m/s

Hourly Forecast

21.02
Now
Weather
10°
21.02
19:00
Weather
0.1
21.02
20:00
Weather
0.4
21.02
21:00
Weather
0.2
21.02
22:00
Weather
10°
21.02
23:00
Weather
10°
0.6
22.02
00:00
Weather
11°
0.8
6
22.02
01:00
Weather
10°
0.6
6
22.02
02:00
Weather
11°
0.4
6
22.02
03:00
Weather
11°
5
22.02
04:00
Weather
11°
6
22.02
05:00
Weather
11°
6
22.02
06:00
Weather
11°
6
22.02
07:00
Weather
11°
6
22.02
08:00
Weather
12°
6
22.02
09:00
Weather
12°
1.6
6
22.02
10:00
Weather
12°
2.2
6
22.02
11:00
Weather
12°
0.5
7
22.02
12:00
Weather
12°
0.4
6
22.02
13:00
Weather
12°
0.9
7
22.02
14:00
Weather
11°
2
6
22.02
15:00
Weather
11°
1.3
6
22.02
16:00
Weather
11°
0.9
6
22.02
17:00
Weather
11°
0.2
6

Temperature

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

Precipitation

2.2mm
0mm
19:00
0.1mm
20:00
0.4mm
21:00
0.2mm
23:00
0.6mm
00:00
0.8mm
01:00
0.6mm
02:00
0.4mm
09:00
1.6mm
10:00
2.2mm
11:00
0.5mm
12:00
0.4mm
13:00
0.9mm
14:00
2mm
15:00
1.3mm
16:00
0.9mm
17:00
0.2mm
18:00 05:00 17:00

Wind

6.6m/s
0m/s
18:00
4.5 m/s
19:00
4 m/s
20:00
2.7 m/s
21:00
3.5 m/s
22:00
4.9 m/s
23:00
4.7 m/s
00:00
5.6 m/s
01:00
5.8 m/s
02:00
5.8 m/s
03:00
5.4 m/s
04:00
5.5 m/s
05:00
5.5 m/s
06:00
5.6 m/s
07:00
5.6 m/s
08:00
5.6 m/s
09:00
5.8 m/s
10:00
6.2 m/s
11:00
6.6 m/s
12:00
6.1 m/s
13:00
6.5 m/s
14:00
6.1 m/s
15:00
6.3 m/s
16:00
5.9 m/s
17:00
5.7 m/s
18:00 05:00 17:00

Radiation

0.17 uSv
0.2 km
21.3%

Measurement time: 2026-02-21 15:00

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
75 km
67
22.3%

Measurement time: 2026-02-21 19:00

Calculated from PM2.5/PM10

PM2.5
75 km
20 µg/m3
23.8%

Measurement time: 2026-02-21 19:00

source: Aqicn

O3
75 km
18.1 µg/m3
11.3%

Measurement time: 2026-02-21 19:00

source: Aqicn

NO2
75 km
9.6 µg/m3
4.8%

Measurement time: 2026-02-21 19:00

source: Aqicn

PM10
75 km
5 µg/m3
3.6%

Measurement time: 2026-02-21 19:00

source: Aqicn

About Air Quality in Altstadt Nord

Air quality in Altstadt Nord 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 Altstadt Nord

  • 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 Altstadt Nord?

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 Altstadt Nord

If you're planning outdoor activities in Altstadt Nord, 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.