Highest air pollution Cologne, today and tomorrow
Today (30 June): Air quality in Cologne is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 33.5/100).
Tomorrow (1 July 2026): Air quality in Cologne is fair. All pollutants stay as today. Pollution peaks around 6:00 PM (O3: 33.8/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Cologne's air quality is shaped by its position in the Rhine corridor at the heart of the Rhine-Ruhr conurbation, with vehicle emissions from the ring road and the broader Ruhr industrial complex contributing elevated NO₂ and PM2.5. The Rhine valley provides ventilation on westerly winds, while the flat Lower Rhine plain generally allows reasonable dispersal on most wind days.
Today - 30 June | Pollution peaks at 17:00
AQI:
Fair
33.5/100
PM2.5 (fine particles):
Good
10.7/100
PM10 (coarse particles):
Good
3.8/100
NO2 (nitrogen dioxide):
Fair
25.7/100
O3 (ozone):
Fair
33.5/100
SO2 (sulfur dioxide):
Good
12.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.2/100
PM1 (ultrafine particles):
Good
8.9/100
Levels show the poorest local air quality during the day
Tomorrow - 1 July | Pollution peaks at 18:00
AQI:
Fair
33.8/100
PM2.5 (fine particles):
Good
9.8/100
PM10 (coarse particles):
Good
3.5/100
NO2 (nitrogen dioxide):
Fair
29.2/100
O3 (ozone):
Fair
33.8/100
SO2 (sulfur dioxide):
Good
6.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.1/100
PM1 (ultrafine particles):
Good
10.6/100
Pollen forecast in Cologne
View pollen forecastFrequently Asked Questions
Is air quality bad in Cologne right now?
On 30 June 2026, overall air quality in Cologne is fair. AQI is the main air quality indicator at 33.5/100. Pollution peaks around 5:00 PM (O3: 33.5/100).
Will air quality be worse tomorrow in Cologne?
On 1 July 2026, air quality conditions in Cologne will be similar to today, with AQI forecast at fair at 33.8/100. Pollution peaks around 6:00 PM (O3: 33.8/100).
Are air quality levels in Cologne based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 30 June 2026 at 13:03 CET (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team