Worst air pollution Aalborg, today and tomorrow
Today (4 August): Air quality in Aalborg is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 PM (O3: 30.7/100).
Tomorrow (5 August 2026): Air quality in Aalborg is fair. NO2 decreases to good; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 27.2/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Aalborg's air quality is generally good, benefiting from consistent North Sea and Kattegat westerly and northwesterly winds providing reliable maritime ventilation across this northern Jutland city. The Port of Aalborg's cement and industrial operations and vehicle traffic on the E45 motorway contribute the primary local sources, while the flat Jutland agricultural plain allows good dispersal on most days and the Limfjord waterway provides natural ventilation corridors through the city, generally maintaining moderate Danish urban air quality levels.
Today - 4 August | Pollution peaks at 18:00
AQI:
Fair
30.7/100
PM2.5 (fine particles):
Good
8.2/100
PM10 (coarse particles):
Good
2.6/100
NO2 (nitrogen dioxide):
Fair
21.9/100
O3 (ozone):
Fair
30.7/100
SO2 (sulfur dioxide):
Good
2.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.5/100
PM1 (ultrafine particles):
Good
9.7/100
Levels show the poorest local air quality during the day
Tomorrow - 5 August | Pollution peaks at 12:00
AQI:
Fair
27.2/100
PM2.5 (fine particles):
Good
8.1/100
PM10 (coarse particles):
Good
2.3/100
NO2 (nitrogen dioxide):
Good
13.5/100
O3 (ozone):
Fair
27.2/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.2/100
PM1 (ultrafine particles):
Good
10.6/100
Pollen forecast in Aalborg
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Frequently Asked Questions
Is air quality bad in Aalborg right now?
On 4 August 2026, overall air quality in Aalborg is fair. AQI is the main air quality indicator at 30.7/100. Pollution peaks around 6:00 PM (O3: 30.7/100).
Will air quality be worse tomorrow in Aalborg?
On 5 August 2026, air quality conditions in Aalborg will be similar to today, with AQI forecast at fair at 27.2/100. Pollution peaks around 12:00 PM (O3: 27.2/100).
When is air pollution at its worst in Aalborg?
Aalborg's air quality is most affected by cement and industrial operations at the Port of Aalborg alongside E45 traffic, concentrated mainly on still days when the Limfjord's natural ventilation corridor is less effective. Northwesterly winds off the North Sea and Kattegat generally clear this fairly quickly.
Are air quality levels in Aalborg 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: 4 August 2026 at 16:38 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
For long term forecasts and maps, see the Airmine app