Air Pollution in Innenstadt, Cologne: Real-time Air Quality Index and smog alert.

The latest data Last 7 days Innenstadt, Cologne pollution September 2017 - May 2020
Current data from stations: Köln Turiner Straße
Locations: « Cologne Innenstadt, Cologne Altstadt Nord » Archdioces Cologne »
Pollution and air quality forecast for Innenstadt, Cologne. Today is Saturday, May 3, 2025. The following air pollution values have been recorded for Innenstadt, Cologne:
  1. particulate matter (PM10) suspended dust - 29 (Moderate)
  2. particulate matter (PM2.5) dust - 14 (Moderate)
  3. nitrogen dioxide (NO2) - 36 (Good)
Real-time Air Quality Index (AQI) for Innenstadt, Cologne, Wednesday, January 17, 2024: 2.

air quality index: 1
AQI 2 Moderate

What is the air quality in Innenstadt, Cologne today? Is the air polluted in Innenstadt, Cologne?. Is there smog?

Today (Wednesday, January 17, 2024) air quality is moderate in Innenstadt, Cologne. Some pollutants in Innenstadt, Cologne may slightly affect very few hypersensitive individuals. Air pollutants in Innenstadt, Cologne may cause minor breathing discomfort to sensitive people.


What is the level of PM10 today in Innenstadt, Cologne? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Innenstadt, Cologne is: 29 (Moderate) The highest PM10 values usually occur in month: 21 (April 2020). The lowest value of particulate matter PM10 pollution in Innenstadt, Cologne is usually recorded in: October (3.1).

What is the current level of PM2.5 in Innenstadt, Cologne? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 14 (Moderate) For comparison, the highest level of PM2.5 in Innenstadt, Cologne in the last 7 days was: 39 (Thursday, January 11, 2024) and the lowest: 11 (Sunday, January 14, 2024). The highest PM2.5 values were recorded: 22 (June 2018). The lowest level of particulate matter PM2.5 pollution occurs in month: October (2.6).

How high is the level of NO2? (nitrogen dioxide (NO2))
36 (Good)



Current data Wednesday, January 17, 2024, 9:00 AM

PM10 29 (Moderate)

5 (Good)

PM2,5 14 (Moderate)

NO2 36 (Good)

Data on air pollution from recent days in Innenstadt, Cologne

index 2024-01-10 2024-01-11 2024-01-12 2024-01-13 2024-01-14 2024-01-15 2024-01-16 2024-01-17
pm10 28
Moderate		 55
Unhealthy for Sensitive Groups		 34
Moderate		 22
Moderate		 13
Good		 16
Good		 27
Moderate		 19
Good
no2 53
Moderate		 58
Moderate		 47
Moderate		 36
Good		 23
Good		 26
Good		 34
Good		 38
Good
pm25 20
Moderate		 39
Unhealthy for Sensitive Groups		 28
Moderate		 19
Moderate		 11
Good		 11
Good		 11
Good		 13
Moderate
no 34
Good		 83
Good		 24
Good		 13
Good		 8
Good		 10
Good		 12
Good		 3
Good
data source »
Air pollution in Innenstadt, Cologne from September 2017 to May 2020
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-10 2019-09 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09
pm25 8 (Good) 12 (Good) 9.8 (Good) 7.7 (Good) 15 (Moderate) 13 (Good) 2.6 (Good) 4.8 (Good) 9.4 (Good) 12 (Good) 13 (Moderate) 17 (Moderate) 13 (Moderate) 18 (Moderate) 17 (Moderate) 13 (Good) 15 (Moderate) 18 (Moderate) 14 (Moderate) 13 (Moderate) 16 (Moderate) 22 (Moderate) 17 (Moderate) 15 (Moderate) 19 (Moderate) 19 (Moderate) 13 (Good) 13 (Good) 15 (Moderate) 11 (Good) 21 (Moderate)
pm10 13 (Good) 21 (Moderate) 15 (Good) 11 (Good) 18 (Good) 16 (Good) 3.1 (Good) 4.8 (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good)
no2 32 (Good) 31 (Good) 26 (Good) 22 (Good) 37 (Good) 34 (Good) 9.2 (Good) 9.1 (Good) 19 (Good) 35 (Good) 30 (Good) 35 (Good) 33 (Good) 44 (Moderate) 31 (Good) 31 (Good) 33 (Good) 39 (Good) 42 (Moderate) 36 (Good) 41 (Moderate) 36 (Good) 37 (Good) 44 (Moderate) 41 (Moderate) 46 (Moderate) 38 (Good) 40 (Moderate) 43 (Moderate) 40 (Good) 41 (Moderate)
data source »

Köln Turiner Straße

Wednesday, January 17, 2024, 9:00 AM

PM10 29 (Moderate)

particulate matter (PM10) suspended dust

4.8 (Good)

index_name_no

PM2,5 14 (Moderate)

particulate matter (PM2.5) dust

NO2 36 (Good)

nitrogen dioxide (NO2)

Köln Turiner Straße

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
pm10 19 27 16 13 22 34 55 28
no2 38 34 26 23 36 47 58 53
pm25 13 11 11 11 19 28 39 20
no 3.2 12 10 8.3 13 24 83 34

DENW212

2017-09   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-10 2019-09 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09
pm25 8 12 9.8 7.7 15 13 2.6 4.8 9.4 12 13 17 13 18 17 13 15 18 14 13 16 22 17 15 19 19 13 13 15 11 21
no2 32 31 26 22 37 34 9.2 9.1 19 35 30 35 33 44 31 31 33 39 42 36 41 36 37 44 41 46 38 40 43 40 41
pm10 13 21 15 11 18 16 3.1 4.8 - - - - - - - - - - - - - - - - - - - - - - -

* Pollution data source: https://openaq.org (EEA Germany) The data is licensed under CC-By 4.0