Worst air pollution Hagen, today and tomorrow
Today (21 July): Air quality in Hagen is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (NO2: 31.2/100).
Tomorrow (22 July 2026): Air quality in Hagen is fair. O3 decreases to good; SO2 increases to fair; all other pollutants stay as today. Pollution peaks around 6:00 AM (NO2: 37.2/100). 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
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Hagen's air quality reflects its position in the Ruhr-Sieg valley at the southeastern edge of the Rhine-Ruhr conurbation, with vehicle traffic on the A1 contributing elevated PM2.5. The surrounding Sauerland hills create more topographic variation than the flat Ruhr plain, and the valley geometry concentrates emissions more than open terrain nearby in the region.
Today - 21 July | Pollution peaks at 23:00
AQI:
Fair
31.2/100
PM2.5 (fine particles):
Good
10.7/100
PM10 (coarse particles):
Good
3.6/100
NO2 (nitrogen dioxide):
Fair
31.2/100
O3 (ozone):
Fair
28.8/100
SO2 (sulfur dioxide):
Good
7.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.7/100
PM1 (ultrafine particles):
Good
10.0/100
Levels show the poorest local air quality during the day
Tomorrow - 22 July | Pollution peaks at 06:00
AQI:
Fair
37.2/100
PM2.5 (fine particles):
Good
10.5/100
PM10 (coarse particles):
Good
3.7/100
NO2 (nitrogen dioxide):
Fair
37.2/100
O3 (ozone):
Good
19.5/100
SO2 (sulfur dioxide):
Fair
21.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.7/100
PM1 (ultrafine particles):
Good
8.4/100
Pollen forecast in Hagen
View pollen forecastFrequently Asked Questions
Is air quality bad in Hagen right now?
On 21 July 2026, overall air quality in Hagen is fair. AQI is the main air quality indicator at 31.2/100. Pollution peaks around 11:00 PM (NO2: 31.2/100).
Will air quality be worse tomorrow in Hagen?
On 22 July 2026, air quality conditions in Hagen will be similar to today, with AQI forecast at fair at 37.2/100. Pollution peaks around 6:00 AM (NO2: 37.2/100).
When is air pollution at its worst in Hagen?
Reduced air quality in Hagen is most likely when oak, birch, and beech pollen peaks, or on calm, hot days when local sources build up; regional road traffic is a modest local source. Ragweed exposure tends to stay low here through most of late summer. Rain and wind both tend to clear the air fairly quickly here.
Are air quality levels in Hagen 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 21 July 2026 at 16:20 CEST (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