Air Quality in Siegen, Germany

Clear
18.7°C · 49.9% humidity
18.7°
Feels 18.7°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast Calibrated
30 4pm
50
50
41 7pm
44
45
47 10pm
48
28
29 1am
29
49
30 4am
30
30
30 7am
30
30
30 10am
30
23
23 1pm
23
23
Station readings 8h ago
AQI 25
PM2.5 6.0 µg/m³ · 8h ago
CAMS model adj -4
34
54
54
54
54
54
54
54
34
34
34
54
34
34
34
34
34
34
34
34
27
27
27
27
AD 728×90

Air Quality Index Trend

10h · 1 stn

Siegen'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.

49.9%
Humidity
33.2 km/h
Wind WNW
1013.8 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
41
9.75 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Siegen?

Temperature & Precipitation

PM2.5 Trend

10h · 1 station
PM2.59.75 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250

What is the 7-day forecast for Siegen?

07-21
26.5° 10.9°
0.25 mm
07-22
24.2° 9.7°
0.62 mm
07-23
18.5° 15.5°
1.44 mm
07-24
22.0° 12.9°
0.94 mm
07-25
27.4° 9.1°
0.06 mm
07-26
28.4° 8.1°
2.81 mm
07-27
27.4° 12.2°
0.06 mm
Both models agree Avg diff: 3.3°C

Where are air quality stations near Siegen?

66
Westerwald-Herdorf, Germany
11.9 km PM2.5: 19.2 µg/m³
71
Netphen Rothaargebirge, Germany
13.3 km PM2.5: 21.6 µg/m³
27
Netphen Rothaargebirge, Germany
13.3 km PM2.5: 6.5 µg/m³

What cities are near Siegen?

41 Netphen 41 Wilnsdorf 41 Kreuztal 41 Freudenberg 32 Hilchenbach 41 Wenden 41 Haiger 39 Olpe 41 Dillenburg 42 Lennestadt
Get AQI alerts for Siegen

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:17 UTC.