Highest air pollution Troisdorf, today and tomorrow
Today (30 June): Air quality in Troisdorf is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 39.7/100).
Tomorrow (1 July 2026): Air quality in Troisdorf is fair. All pollutants stay as today. Pollution peaks around 7:00 PM (O3: 33.3/100). 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
Troisdorf's air quality reflects the Sieg-Rhine confluence in the northern Cologne-Bonn metropolitan area, with vehicle traffic on the A59 motorway and the Cologne-Bonn Airport's flight operations generating elevated NOₓ and aviation PM2.5 alongside the surrounding industrial and logistics corridor. The Rhine valley provides ventilation on westerly winds, while the airport's flight corridor makes Troisdorf one of the Rhine-Bonn area's more aviation-influenced urban environments.
Today - 30 June | Pollution peaks at 17:00
AQI:
Fair
39.7/100
PM2.5 (fine particles):
Good
8.6/100
PM10 (coarse particles):
Good
3.0/100
NO2 (nitrogen dioxide):
Good
9.4/100
O3 (ozone):
Fair
39.7/100
SO2 (sulfur dioxide):
Good
3.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.8/100
PM1 (ultrafine particles):
Good
7.7/100
Levels show the poorest local air quality during the day
Tomorrow - 1 July | Pollution peaks at 19:00
AQI:
Fair
33.3/100
PM2.5 (fine particles):
Good
8.1/100
PM10 (coarse particles):
Good
2.9/100
NO2 (nitrogen dioxide):
Good
9.8/100
O3 (ozone):
Fair
33.3/100
SO2 (sulfur dioxide):
Good
3.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.9/100
PM1 (ultrafine particles):
Good
7.5/100
Pollen forecast in Troisdorf
View pollen forecastFrequently Asked Questions
Is air quality bad in Troisdorf right now?
On 30 June 2026, overall air quality in Troisdorf is fair. AQI is the main air quality indicator at 39.7/100. Pollution peaks around 5:00 PM (O3: 39.7/100).
Will air quality be worse tomorrow in Troisdorf?
On 1 July 2026, air quality conditions in Troisdorf will be similar to today, with AQI forecast at fair at 33.3/100. Pollution peaks around 7:00 PM (O3: 33.3/100).
Are air quality levels in Troisdorf 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 13:01 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