Air Quality in Köln, Germany

Drizzle
9.5°C · 92.9% humidity
9.5°
Feels 8.2°
11
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
5 11pm
10
12
11 2am
9
7
5 5am
3
2
2 8am
1
1
1 11am
0
0
0 2pm
0
0
0 5pm
0
0
0 8pm
0
0
Station readings
5
10
12
8
CAMS model adj -29
54
54
27
27
24
24
24
24
24
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

46h · 1 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.

92.9%
Humidity
9.4 km/h
Wind SW
1019.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
11
2.68 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

46h · 1 station
PM2.52.68 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
2.68
Median
5.01
Average
2.33
Low
7.9
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +3.6
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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 2026-06-09T00:27 UTC.