Air Quality in Köln, Germany

Clear
18.9°C · 41.8% humidity
18.9°
Feels 18.9°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
9 9am
9
9
12 12pm
8
8
8 3pm
8
8
8 6pm
8
15
15 9pm
35
35
35 12am
35
35
35 3am
35
35
35 6am
35
35
Station readings
9
9
9
CAMS model adj -19
27
27
27
27
27
27
27
27
27
27
27
34
34
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

47h · 2 stn

Köln'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.

41.8%
Humidity
9.0 km/h
Wind SW
1021.2 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
12
3.04 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Köln?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.53.04 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (4 stations within 25 km)
3.04
Median
3.25
Average
2.0
Low
4.3
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +3.2

What is the 7-day forecast for Köln?

09-05
18.9° 11.0°
0.06 mm
09-06
20.0° 13.7°
1.94 mm
09-07
19.7° 12.6°
10.31 mm
09-08
22.8° 14.5°
4.69 mm
09-09
15.7° 11.2°
1.88 mm
09-10
22.5° 12.0°
09-11
17.5° 10.6°
2.5 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Köln?

–
Hansaring
1.5 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
8
germany-ehrenfeld-am-rosenhof
4.8 km 180.0°C 100.0% RH PM2.5: 2.0 µg/m³ PM10: 2.0 µg/m³
12
Köln-Rodenkirchen, Germany
5.4 km PM2.5: 2.9 µg/m³
18
Köln-Rodenkirchen, Germany
5.4 km PM2.5: 4.3 µg/m³
16
Köln-Chorweiler, Germany
10.6 km PM2.5: 3.8 µg/m³
23
Köln-Chorweiler, Germany
10.6 km PM2.5: 5.5 µg/m³
21
Bonn
25.1 km 19.9°C 52.0% RH PM2.5: 5.0 µg/m³ PM10: 7.0 µg/m³

What cities are near Köln?

13 Altstadt Sud 12 Altstadt Nord 13 Neustadt/Süd 11 Neustadt/Nord 14 Deutz 10 Neuehrenfeld 14 Humboldtkolonie 11 Nippes 14 Kalk 10 Bilderstöckchen
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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 2026-09-05T10:55 UTC.