Air Quality in Troisdorf, Germany

Cloudy
15.6°C · 80.0% humidity
15.6°
Feels 15.6°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
17 6am
18
14
16 9am
36
36
36 12pm
36
36
16 3pm
36
36
36 6pm
36
36
36 9pm
36
36
36 12am
36
36
36 3am
36
36
Station readings
17
18
14
15
CAMS model adj -18
34
34
34
34
54
54
54
54
54
34
54
54
54
54
54
54
54
54
54
54
54
54
54
54

Air Quality Index Trend

48h · 3 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.

80.0%
Humidity
7.4 km/h
Wind SE
1023.2 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
16
3.75 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Troisdorf?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations
PM2.53.75 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
Station readings (3 stations within 25 km)
3.75
Median
3.17
Average
1.84
Low
4.67
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +3.3

What is the 7-day forecast for Troisdorf?

09-21
25.1° 11.2°
09-22
23.0° 12.1°
09-23
16.3° 13.0°
1.25 mm
09-24
17.4° 8.2°
0.62 mm
09-25
21.0° 12.7°
3.5 mm
09-26
17.1° 11.2°
2.31 mm
09-27
20.0° 8.5°
Both models agree Avg diff: 3.5°C

Where are air quality stations near Troisdorf?

21
Bonn
12.8 km 14.0°C 62.0% RH PM2.5: 5.0 µg/m³ PM10: 7.0 µg/m³
2
Hansaring
21.0 km PM2.5: 0.6 µg/m³ PM10: 1.0 µg/m³
8
germany-ehrenfeld-am-rosenhof
24.5 km 0.0°C 0.0% RH PM2.5: 2.0 µg/m³ PM10: 4.0 µg/m³

What cities are near Troisdorf?

16 Siegburg 20 Sankt Augustin 15 Lohmar 15 Niederkassel 20 Bonn 12 Rösrath 20 Hennef (Sieg) 11 Porz am Rhein 18 Bornheim 13 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 2026-09-21T07:43 UTC.