Worst air pollution Olsztyn, today and tomorrow
Today (9 August): Air quality in Olsztyn is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 PM (O3: 29.1/100).
Tomorrow (10 August 2026): Air quality in Olsztyn is medium. AQI improves to medium; NO2 decreases to good; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 4:00 PM (O3: 40.2/100). Airmine updates local air quality forecasts four times daily.
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Olsztyn's air quality reflects its position in the Masurian Lake District of northeastern Poland, with residential wood and coal burning generating seasonal PM2.5 alongside vehicle traffic on the S51 expressway. The numerous Masurian lakes surrounding the city provide natural ventilation corridors, while the relatively low industrial base compared to southwestern Poland and the Baltic weather systems from the north generally provide cleaner background air than the heavily industrialised Silesian corridor throughout the year.
Today - 9 August | Pollution peaks at 18:00
AQI:
Fair
29.1/100
PM2.5 (fine particles):
Good
11.5/100
PM10 (coarse particles):
Good
3.6/100
NO2 (nitrogen dioxide):
Fair
28.7/100
O3 (ozone):
Fair
29.1/100
SO2 (sulfur dioxide):
Good
6.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.6/100
PM1 (ultrafine particles):
Good
12.1/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 16:00
AQI:
Medium
40.2/100
PM2.5 (fine particles):
Good
12.3/100
PM10 (coarse particles):
Good
4.4/100
NO2 (nitrogen dioxide):
Good
16.5/100
O3 (ozone):
Medium
40.2/100
SO2 (sulfur dioxide):
Good
9.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.5/100
PM1 (ultrafine particles):
Good
13.8/100
Pollen forecast in Olsztyn
View pollen forecastFrequently Asked Questions
Is air quality bad in Olsztyn right now?
On 9 August 2026, overall air quality in Olsztyn is fair. AQI is the main air quality indicator at 29.1/100. Pollution peaks around 6:00 PM (O3: 29.1/100).
Will air quality be worse tomorrow in Olsztyn?
On 10 August 2026, air quality conditions in Olsztyn will be better than today, with AQI forecast at medium at 40.2/100. Pollution peaks around 4:00 PM (O3: 40.2/100).
When is air pollution at its worst in Olsztyn?
Air quality dips in Olsztyn mostly track local tree and grass allergens peaks and periods of residential wood and coal burning; the rest of the calendar year is generally more forgiving for air quality. The effect is usually most noticeable for anyone spending extended time outdoors near busy roads.
Are air quality levels in Olsztyn 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: 10 August 2026 at 02:34 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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