Air Quality in Troisdorf, Germany

Clear
21.1°C · 38.3% humidity
21.1°
Feels 21.1°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
38 1pm
37
30
41 4pm
38
38
18 7pm
18
18
18 10pm
18
18
18 1am
18
38
38 4am
38
38
38 7am
38
38
38 10am
38
38
Station readings
38
37
30
22
CAMS model adj -16
34
34
54
54
54
54
34
34
34
34
34
34
34
34
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

43h · 2 stn

Troisdorf'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. Current PM2.5 concentration in Troisdorf is 2.0× the WHO annual guideline of 5 µg/m³.

38.3%
Humidity
15.9 km/h
Wind WSW
1021.8 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
41
9.79 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Troisdorf?

Temperature & Precipitation

PM2.5 Trend

43h · 2 stations
PM2.59.79 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (7 stations within 25 km)
9.79
Median
10.06
Average
6.0
Low
12.1
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +1.1

What is the 7-day forecast for Troisdorf?

05-29
21.2° 11.6°
0.06 mm
05-30
15.7° 11.0°
5.5 mm
05-31
24.7° 8.6°
5.12 mm
06-01
26.1° 14.0°
06-02
27.9° 17.7°
7.37 mm
06-03
17.5° 13.6°
0.69 mm
06-04
31.9° 18.6°
0.13 mm
Both models agree Avg diff: 4.8°C

Where are air quality stations near Troisdorf?

30
Bonn-Auerberg, Germany
7.8 km PM2.5: 7.2 µg/m³
36
Bonn-Auerberg, Germany
7.8 km PM2.5: 8.6 µg/m³
17
Bonn
12.8 km 33.4°C 28.0% RH PM2.5: 4.0 µg/m³ PM10: 6.0 µg/m³
13
Köln-Rodenkirchen, Germany
14.6 km PM2.5: 3.1 µg/m³
34
Hürth, Germany
20.8 km PM2.5: 8.2 µg/m³
37
Hansaring
21.0 km PM2.5: 8.8 µg/m³ PM10: 8.8 µg/m³
35
Leverkusen-Manfort, Germany
26.5 km PM2.5: 8.4 µg/m³
49
Köln-Chorweiler, Germany
29.9 km PM2.5: 11.8 µg/m³
30
Köln-Chorweiler, Germany
29.9 km PM2.5: 7.2 µg/m³

What cities are near Troisdorf?

40 Siegburg 39 Sankt Augustin 42 Lohmar 43 Niederkassel 38 Bonn 49 Rösrath 38 Hennef (Sieg) 49 Porz am Rhein 37 Bornheim 47 Wesseling
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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 2026-05-29T14:49 UTC.