Worst air pollution Siemianowice Śląskie, today and tomorrow
Today (16 July): Air quality in Siemianowice Śląskie is fair. PM1 is fair; AQI, NO2, and O3 are medium; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 4:00 PM (O3: 47.2/100).
Tomorrow (17 July 2026): Air quality in Siemianowice Śląskie is poor. AQI worsens to poor; PM2.5 increases to fair; O3 increases to poor; all other pollutants stay as today. Pollution peaks around 4:00 PM (O3: 62.6/100). 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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Siemianowice Śląskie's air quality faces serious Upper Silesian Coal Basin challenges, with the surrounding Katowice-Siemianowice industrial corridor's coal mining, steel, and chemical manufacturing generating elevated PM2.5, SO₂, and benzo[a]pyrene alongside vehicle traffic. The flat Silesian basin provides some dispersal on westerly days, while the industrial density maintains persistently elevated background pollution and Siemianowice's coal and metallurgical legacy keeps it among Upper Silesia's more polluted municipalities throughout the year.
Today - 16 July | Pollution peaks at 16:00
AQI:
Medium
47.2/100
PM2.5 (fine particles):
Good
19.3/100
PM10 (coarse particles):
Good
5.3/100
NO2 (nitrogen dioxide):
Medium
40.3/100
O3 (ozone):
Medium
47.2/100
SO2 (sulfur dioxide):
Good
12.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.4/100
PM1 (ultrafine particles):
Fair
24.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 16:00
AQI:
Poor
62.6/100
PM2.5 (fine particles):
Fair
25.0/100
PM10 (coarse particles):
Good
6.9/100
NO2 (nitrogen dioxide):
Medium
41.0/100
O3 (ozone):
Poor
62.6/100
SO2 (sulfur dioxide):
Good
12.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.7/100
PM1 (ultrafine particles):
Fair
31.3/100
Pollen forecast in Siemianowice Śląskie
View pollen forecastFrequently Asked Questions
Is air quality bad in Siemianowice Śląskie right now?
On 16 July 2026, overall air quality in Siemianowice Śląskie is fair. PM1 is the main pollutant at 24.8/100. Pollution peaks around 4:00 PM (O3: 47.2/100).
Will air quality be worse tomorrow in Siemianowice Śląskie?
On 17 July 2026, air quality conditions in Siemianowice Śląskie will be worse than today, with AQI forecast at poor at 62.6/100. Pollution peaks around 4:00 PM (O3: 62.6/100).
When is air pollution at its worst in Siemianowice Śląskie?
You're likeliest to notice worse air in Siemianowice Śląskie when local tree and grass allergens peaks, or due to the nearby Katowice-Siemianowice industrial corridor's coal mining, steel, and chemical manufacturing; the picture usually improves again once the season turns.
Are air quality levels in Siemianowice Śląskie 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