Worst air pollution Arnhem, today and tomorrow
Today (23 August): Air quality in Arnhem is moderate. AQI and NO2 are moderate; O3 is fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 AM (NO2: 42.4/100).
Tomorrow (24 August 2026): Air quality in Arnhem is moderate. All pollutants stay as today. Pollution peaks around 6:00 AM (NO2: 53.1/100). 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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Arnhem's air quality reflects its position in the Gelderse Vallei at the Rhine-IJssel river confluence in the Netherlands-Germany border region, with vehicle traffic on the A12 and A50 motorways and the surrounding industrial and logistics corridor contributing local sources. The flat Rhine-IJssel floodplain generally provides reasonable wind dispersal, while the broader Rhine-Ruhr industrial corridor's background pollution elevates baseline PM2.5 and NO₂ and prevailing westerlies carry Atlantic air across the Arnhem-Nijmegen corridor on most days.
Today - 23 August | Pollution peaks at 06:00
AQI:
Moderate
42.4/100
PM2.5 (fine particles):
Good
10.3/100
PM10 (coarse particles):
Good
3.7/100
NO2 (nitrogen dioxide):
Moderate
42.4/100
O3 (ozone):
Fair
24.3/100
SO2 (sulfur dioxide):
Good
2.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.6/100
PM1 (ultrafine particles):
Good
9.8/100
Levels show the poorest local air quality during the day
Tomorrow - 24 August | Pollution peaks at 06:00
AQI:
Moderate
53.1/100
PM2.5 (fine particles):
Good
13.4/100
PM10 (coarse particles):
Good
4.4/100
NO2 (nitrogen dioxide):
Moderate
53.1/100
O3 (ozone):
Fair
26.2/100
SO2 (sulfur dioxide):
Good
2.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.0/100
PM1 (ultrafine particles):
Good
13.8/100
Pollen forecast in Arnhem
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Frequently Asked Questions
Is air quality bad in Arnhem right now?
On 23 August 2026, overall air quality in Arnhem is moderate. AQI is the main air quality indicator at 42.4/100. Pollution peaks around 6:00 AM (NO2: 42.4/100).
Will air quality be worse tomorrow in Arnhem?
On 24 August 2026, air quality conditions in Arnhem will be similar to today, with AQI forecast at moderate at 53.1/100. Pollution peaks around 6:00 AM (NO2: 53.1/100).
When is air pollution at its worst in Arnhem?
Around Arnhem, the clearest air quality dips tend to come when birch, oak, and pine pollen peaks during spring and the start of summer, or on calm, warm days when traffic on the A12 and local industry emissions accumulate; the wooded Veluwe ridge nearby provides some natural buffering. Outside these windows, conditions in Arnhem rarely stray far from the national average.
Are air quality levels in Arnhem 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: 23 August 2026 at 20:25 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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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