Worst air pollution Ostrów Tumski Cathedral Island - Poznań, today and tomorrow
Today (16 July): Air quality in Ostrów Tumski Cathedral Island is fair. PM2.5, O3, and PM1 are fair; AQI and NO2 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 11:00 PM (NO2: 44.5/100).
Tomorrow (17 July 2026): Air quality in Ostrów Tumski Cathedral Island is fair. O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 12:00 AM (NO2: 45.9/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Use our Strava plugin to check your own exposure.
Ostrów Tumski Cathedral Island's air quality reflects its position near the the cradle-of-Poland cathedral island on the Warta River, with visitor traffic and seasonal tourism activity adding to seasonal pressure from vehicle traffic on the surrounding road network. Overall, Ostrów Tumski Cathedral Island's readings sit close to the regional Wielkopolskie average for most of the year.
Today - 16 July | Pollution peaks at 23:00
AQI:
Medium
44.5/100
PM2.5 (fine particles):
Fair
21.5/100
PM10 (coarse particles):
Good
6.0/100
NO2 (nitrogen dioxide):
Medium
44.5/100
O3 (ozone):
Fair
35.0/100
SO2 (sulfur dioxide):
Good
12.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.6/100
PM1 (ultrafine particles):
Fair
26.6/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:00
AQI:
Medium
45.9/100
PM2.5 (fine particles):
Fair
21.8/100
PM10 (coarse particles):
Good
6.0/100
NO2 (nitrogen dioxide):
Medium
45.9/100
O3 (ozone):
Medium
45.9/100
SO2 (sulfur dioxide):
Good
12.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.8/100
PM1 (ultrafine particles):
Fair
27.0/100
Other Landmarks in Poznań
Sports venues in Poznań
Frequently Asked Questions
Is air quality bad in Ostrów Tumski Cathedral Island right now?
On 16 July 2026, overall air quality in Ostrów Tumski Cathedral Island is fair. O3 is the main pollutant at 35.0/100. Pollution peaks around 11:00 PM (NO2: 44.5/100).
Will air quality be worse tomorrow in Ostrów Tumski Cathedral Island?
On 17 July 2026, air quality conditions in Ostrów Tumski Cathedral Island will be similar to today, with PM1 forecast at fair at 27.0/100. Pollution peaks around 12:00 AM (NO2: 45.9/100).
When is air pollution at its worst in Ostrów Tumski Cathedral Island?
Reduced air quality in Ostrów Tumski Cathedral Island is most likely when oak and pine pollen peaks or in periods marked by visitor traffic and seasonal tourism activity; 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 Ostrów Tumski Cathedral Island 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.
Want to see air quality forecasts for other cities in Poland?
Check air quality in other popular cities:
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