Air Quality in Köln, Germany

Windy
5.5°C · 79.0% humidity
5.5°
Feels -0.1°
84
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast
94 6am
91
84
— 9am
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— 12pm
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— 3pm
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Station readings
94
91
84

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. Current PM2.5 concentration in Köln is 1.9× the WHO 24-hour guideline of 15 µg/m³.

79.0%
Humidity
41.0 km/h
Wind SE
1017.5 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5▲
84
27.9 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.527.9 µg/m³ ×1.9 WHO
Moderate
PM1041.2 µg/m³
Good
UV INDEX0.0
Low
27.9
Median
15.99
Average
1.0
Low
33.67
High
PM2.5 µg/m³ · Model: 19.2 · Bias: -8.7
10-21
15.9° 5.5°
0.13 mm
10-22
19.6° 7.4°
0.19 mm
10-23
10.8° 5.8°
3.06 mm
10-24
12.5° 6.9°
0.69 mm
10-25
15.3° 6.2°
10-26
11.5° 6.9°
6.37 mm
10-27
17.7° 5.6°
0.38 mm
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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 2026-10-21T07:40 UTC.