Worst air pollution Hildesheim, today and tomorrow
Today (23 August): Air quality in Hildesheim 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: 24.8/100).
Tomorrow (24 August 2026): Air quality in Hildesheim is fair. NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 7:00 AM (NO2: 26.9/100). 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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Hildesheim's air quality reflects the Inner Leine valley in Lower Saxony, with vehicle traffic on the A7 motorway and surrounding manufacturing industry contributing local sources. The Hildesheim Forest and surrounding Lower Saxony hills create modest topographic variation, while the flat North German plain allows reasonable wind dispersal and Atlantic westerlies provide the primary ventilation pathway.
Today - 23 August | Pollution peaks at 17:00
AQI:
Fair
24.8/100
PM2.5 (fine particles):
Good
7.8/100
PM10 (coarse particles):
Good
2.8/100
NO2 (nitrogen dioxide):
Good
12.8/100
O3 (ozone):
Fair
24.8/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.4/100
PM1 (ultrafine particles):
Good
6.9/100
Levels show the poorest local air quality during the day
Tomorrow - 24 August | Pollution peaks at 07:00
AQI:
Fair
26.9/100
PM2.5 (fine particles):
Good
10.8/100
PM10 (coarse particles):
Good
4.1/100
NO2 (nitrogen dioxide):
Fair
26.9/100
O3 (ozone):
Fair
25.2/100
SO2 (sulfur dioxide):
Good
3.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.7/100
PM1 (ultrafine particles):
Good
7.3/100
Pollen forecast in Hildesheim
View pollen forecastFrequently Asked Questions
Is air quality bad in Hildesheim right now?
On 23 August 2026, overall air quality in Hildesheim is fair. AQI is the main air quality indicator at 24.8/100. Pollution peaks around 5:00 PM (O3: 24.8/100).
Will air quality be worse tomorrow in Hildesheim?
On 24 August 2026, air quality conditions in Hildesheim will be similar to today, with AQI forecast at fair at 26.9/100. Pollution peaks around 7:00 AM (NO2: 26.9/100).
When is air pollution at its worst in Hildesheim?
You're most likely to notice worse air in Hildesheim when ash, beech, and birch pollen peaks, or on warm, stagnant days when local emissions settle; everyday local traffic contributes a modest, fairly steady source. Ragweed levels remain generally low here, typical of central and western Germany. Conditions generally improve on windier, less humid days.
Are air quality levels in Hildesheim 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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