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Europe
Germany
North Rhine-Westphalia
Cologne
Kreisfreie Stadt Köln
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Kreisfreie Stadt Köln
Cologne
2025-04-26 23:00
AQI (US)
Good
32
Pollutants
|
Pollens
O3
μg/m³
73
PM2.5
μg/m³
4.7
PM10
μg/m³
18.2
NO2
μg/m³
22.8
Birch
6.0
Grasses
3.0
Alder
0
Ragweed
0
Mugwort
0
Olive Tree
0
Weather
℃
℃
℉
13℃
58%
9 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Allergy Risk
O3
PM2.5
PM10
NO2
Birch
Grasses
Alder
Ragweed
Mugwort
Olive Tree
Places included
Cologne
AQI 32
Data Sources
http://www.umweltbundesamt.de/
https://www.eea.europa.eu
http://www.polleninfo.org
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Allergierisiko
Allergierisiko
AQI
O3
PM2.5
PM10
NO2
CO
SO2
Birke
Gräser
Erle
Ragweed
Beifuß
Olivenbaum
9.3
5.7
7.6
9.1
5.4
5.5
6.2
7.2
10.5
8.1
5.3
5.0
7.1
8.3
7.2
9.4
3.4
7.6
6.0
8.4
6.7
6.0
6.0
6.0
6.5
10.9
0
10.3
6.4
6.0
5.6
4.9
6.3
6.0
9.6
5.5
10.9
6.0
6.6
12.0
6.0
5.8
5.1
6.0
7.2
8.1
9.4
6.0
6.6
6.2
4.2
6.0
6.0
10.5
3.7
8.3
5.2
6.1
6.5
6.0
12.0
6.7
10.5
6.2
6.0
8.0
5.4
3.9
6.0
6.0
11.6
11.4
5.8
5.5
6.0
12.0
5.6
9.9
7.0
5.4
10.1
7.2
5.0
3.0
8.3
6.4
5.6
7.3
+
−
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Cities Nearby
Cologne
AQI 32
Hürth
AQI 27
Frechen
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Wesseling
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Pulheim
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Leverkusen
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Brühl
AQI 27
Bergisch Gladbach
AQI 35
Niederkassel
AQI 25
Odenthal
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Rösrath
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