Worst air pollution Fröndenberg, today and tomorrow
Today (21 July): Air quality in Fröndenberg is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 28.1/100).
Tomorrow (22 July 2026): Air quality in Fröndenberg is fair. All pollutants stay as today. Pollution peaks around 3:00 PM (O3: 22.7/100). 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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Air quality in Fröndenberg reflects the wooded Sauerland-Siegerland uplands, with traffic on nearby federal roads and local streets and surrounding metalworking and toolmaking industry contributing the primary local sources. Ridge and valley terrain gives noticeably uneven dispersal conditions, while the surrounding upland forest and prevailing westerlies shape the regional background throughout the year.
Today - 21 July | Pollution peaks at 16:00
AQI:
Fair
28.1/100
PM2.5 (fine particles):
Good
6.9/100
PM10 (coarse particles):
Good
2.6/100
NO2 (nitrogen dioxide):
Good
11.2/100
O3 (ozone):
Fair
28.1/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.4/100
PM1 (ultrafine particles):
Good
4.2/100
Levels show the poorest local air quality during the day
Tomorrow - 22 July | Pollution peaks at 15:00
AQI:
Fair
22.7/100
PM2.5 (fine particles):
Good
7.8/100
PM10 (coarse particles):
Good
2.6/100
NO2 (nitrogen dioxide):
Good
14.1/100
O3 (ozone):
Fair
22.7/100
SO2 (sulfur dioxide):
Good
5.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Good
6.9/100
Pollen forecast in Fröndenberg
View pollen forecastFrequently Asked Questions
Is air quality bad in Fröndenberg right now?
On 21 July 2026, overall air quality in Fröndenberg is fair. AQI is the main air quality indicator at 28.1/100. Pollution peaks around 4:00 PM (O3: 28.1/100).
Will air quality be worse tomorrow in Fröndenberg?
On 22 July 2026, air quality conditions in Fröndenberg will be similar to today, with AQI forecast at fair at 22.7/100. Pollution peaks around 3:00 PM (O3: 22.7/100).
When is air pollution at its worst in Fröndenberg?
In Fröndenberg, air quality dips most noticeably when beech, spruce, and birch pollen peaks, or on warm, windless days when local pollution accumulates; vehicle traffic on local and regional roads is a modest local source. This region typically sees only a light ragweed presence in late summer. Breezier days generally bring the most comfortable conditions.
Are air quality levels in Fröndenberg 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 05:44 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