Air Quality in Siegen, Germany
Overcast
6.6°C · 96.9% humidity
6.6°
Feels 3.9°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Siegen's air quality — share it
AQI Forecast
Calibrated
30
10pm
30
30
29
1am
24
24
25
4am
26
26
27
7am
26
26
28
10am
27
28
28
1pm
28
28
28
4pm
28
28
28
7pm
28
28
Station readings
25h ago
AQI 28
PM2.5 6.7 µg/m³ · 25h ago
Air Quality Index Trend
47h · 4 stnSiegen'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.
96.9%
Humidity
13.6 km/h
Wind WSW
1019.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.02 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Siegen?
Temperature & Precipitation
PM2.5 Trend
47h · 4 stationsPM2.57.02 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
7.02
Median
6.85
Average
5.3
Low
8.4
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +0.1
What is the 7-day forecast for Siegen?
06-08
21.5° 8.2°
1.25 mm
06-09
22.1° 6.6°
0.62 mm
06-10
22.3° 9.2°
0.19 mm
06-11
20.3° 12.3°
3.5 mm
06-12
15.8° 8.1°
0.25 mm
06-13
21.4° 6.4°
1.69 mm
06-14
18.9° 9.7°
0.13 mm
Both models agree
Avg diff: 3.6°C
Where are air quality stations near Siegen?
27
Westerwald-Herdorf, Germany
29
Netphen Rothaargebirge, Germany
22
Netphen Rothaargebirge, Germany
What cities are near Siegen?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-08T23:09 UTC.