Air Quality in Siegen, Germany

Windy
17.3°C · 73.4% humidity
17.3°
Feels 17.3°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
54 6pm
54
54
23 9pm
26
28
30 12am
31
32
53 3am
53
53
53 6am
54
54
54 9am
54
54
34 12pm
34
34
54 3pm
54
54
AD 728×90

Air Quality Index Trend

48h · 4 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.

73.4%
Humidity
54.0 km/h
Wind NNE
1018.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
23
5.51 µg/m³
PM10▲
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Siegen?

Temperature & Precipitation

PM2.5 Trend

48h · 4 stations
PM2.55.51 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
5.51
Median
5.15
Average
1.9
Low
8.4
High
PM2.5 µg/m³ · Model: 8.2 · Bias: +2.7

What is the 7-day forecast for Siegen?

05-29
18.2° 7.6°
0.06 mm
05-30
13.5° 8.4°
8.5 mm
05-31
21.7° 5.8°
3.0 mm
06-01
23.6° 10.4°
0.38 mm
06-02
23.8° 17.5°
6.19 mm
06-03
16.9° 10.0°
0.69 mm
06-04
28.0° 18.0°
0.31 mm
Both models agree Avg diff: 4.6°C

Where are air quality stations near Siegen?

49
Westerwald-Herdorf, Germany
11.9 km PM2.5: 11.8 µg/m³
48
Netphen Rothaargebirge, Germany
13.3 km PM2.5: 11.5 µg/m³
48
Netphen Rothaargebirge, Germany
13.3 km PM2.5: 11.5 µg/m³

What cities are near Siegen?

11 Netphen 25 Wilnsdorf 17 Kreuztal 27 Freudenberg 8 Hilchenbach 22 Wenden 23 Haiger 39 Olpe 20 Dillenburg 8 Lennestadt
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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 2026-05-29T19:14 UTC.