Air Quality in Siegen, Germany

Overcast
6.6°C · 96.9% humidity
6.6°
Feels 3.9°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
30 11pm
30
37
28 2am
28
28
28 5am
28
28
27 8am
27
28
27 11am
28
28
28 2pm
28
28
28 5pm
28
28
28 8pm
28
28
Station readings 26h ago
AQI 28
PM2.5 6.7 µg/m³ · 26h ago
AD 728×90

Air Quality Index Trend

47h · 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.

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▲
28
6.7 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Siegen?

Temperature & Precipitation

PM2.5 Trend

47h · 4 stations
PM2.56.7 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
6.7
Median
6.7
Average
6.7
Low
6.7
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -0.4

What is the 7-day forecast for Siegen?

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
06-15
23.7° 9.1°
1.19 mm
Both models agree Avg diff: 3.6°C

Where are air quality stations near Siegen?

27
Westerwald-Herdorf, Germany
11.9 km PM2.5: 6.5 µg/m³
29
Netphen Rothaargebirge, Germany
13.3 km PM2.5: 7.0 µg/m³
22
Netphen Rothaargebirge, Germany
13.3 km PM2.5: 5.3 µg/m³

What cities are near Siegen?

28 Netphen 28 Wilnsdorf 28 Kreuztal 28 Freudenberg 26 Hilchenbach 28 Wenden 28 Haiger 25 Olpe 28 Dillenburg 23 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 2026-06-09T00:19 UTC.