Worst air pollution Kościan, today and tomorrow
Today (16 July): Air quality in Kościan is fair. AQI, NO2, O3, and PM1 are fair; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 5:00 PM (O3: 35.0/100).
Tomorrow (17 July 2026): Air quality in Kościan is fair. AQI improves to medium; PM2.5 increases to fair; NO2 decreases to medium; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 2:00 PM (O3: 45.9/100). 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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The Obra River location of Kościan plays the biggest role in local air quality, where sugar-beet farmland of the Wielkopolska lowland is the main local emissions source, compounded by traffic on the surrounding expressway network. Overall, Kościan's readings sit close to the regional Wielkopolskie average for most of the year.
Today - 16 July | Pollution peaks at 17:00
AQI:
Fair
35.0/100
PM2.5 (fine particles):
Good
19.5/100
PM10 (coarse particles):
Good
5.4/100
NO2 (nitrogen dioxide):
Fair
34.7/100
O3 (ozone):
Fair
35.0/100
SO2 (sulfur dioxide):
Good
7.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.7/100
PM1 (ultrafine particles):
Fair
24.4/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 14:00
AQI:
Medium
45.9/100
PM2.5 (fine particles):
Fair
21.6/100
PM10 (coarse particles):
Good
6.0/100
NO2 (nitrogen dioxide):
Medium
41.8/100
O3 (ozone):
Medium
45.9/100
SO2 (sulfur dioxide):
Good
7.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.2/100
PM1 (ultrafine particles):
Fair
26.8/100
Pollen forecast in Kościan
View pollen forecastFrequently Asked Questions
Is air quality bad in Kościan right now?
On 16 July 2026, overall air quality in Kościan is fair. AQI is the main air quality indicator at 35.0/100. Pollution peaks around 5:00 PM (O3: 35.0/100).
Will air quality be worse tomorrow in Kościan?
On 17 July 2026, air quality conditions in Kościan will be similar to today, with PM1 forecast at fair at 26.8/100. Pollution peaks around 2:00 PM (O3: 45.9/100).
When is air pollution at its worst in Kościan?
Air quality dips in Kościan mostly track when oak and linden pollen peaks and during stretches of sugar-beet farmland of the Wielkopolska lowland; conditions generally ease once the season shifts and rainfall or stronger winds return to clear the air across the wider area.
Are air quality levels in Kościan 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.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 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