Worst air pollution Września, today and tomorrow
Today (16 July): Air quality in Września is fair. O3 is fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (NO2: 50.4/100).
Tomorrow (17 July 2026): Air quality in Września is fair. O3 decreases to medium; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 AM (NO2: 50.3/100). 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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Września's air quality reflects its position near the Wrześnica stream, with agricultural-machinery manufacturing near the A2 corridor and vehicle traffic on the surrounding road network standing out as the two main local drivers. Wind exposure across the Wielkopolskie region tends to keep conditions moderate for much of the year.
Today - 16 July | Pollution peaks at 23:00
AQI:
Medium
50.4/100
PM2.5 (fine particles):
Good
16.0/100
PM10 (coarse particles):
Good
4.7/100
NO2 (nitrogen dioxide):
Medium
50.4/100
O3 (ozone):
Fair
35.6/100
SO2 (sulfur dioxide):
Good
13.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.4/100
PM1 (ultrafine particles):
Good
19.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:00
AQI:
Medium
50.3/100
PM2.5 (fine particles):
Good
15.6/100
PM10 (coarse particles):
Good
4.6/100
NO2 (nitrogen dioxide):
Medium
50.3/100
O3 (ozone):
Medium
45.2/100
SO2 (sulfur dioxide):
Good
13.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.9/100
PM1 (ultrafine particles):
Fair
20.4/100
Pollen forecast in Września
View pollen forecastFrequently Asked Questions
Is air quality bad in Września right now?
On 16 July 2026, overall air quality in Września is fair. O3 is the main pollutant at 35.6/100. Pollution peaks around 11:00 PM (NO2: 50.4/100).
Will air quality be worse tomorrow in Września?
On 17 July 2026, air quality conditions in Września will be similar to today, with PM1 forecast at fair at 20.4/100. Pollution peaks around 12:00 AM (NO2: 50.3/100).
When is air pollution at its worst in Września?
Reduced air quality in Września is most likely when oak and linden pollen peaks or because of agricultural-machinery manufacturing near the A2 corridor; a change of season or a spell of wind usually clears things up again within a day or so.
Are air quality levels in Września 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?
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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