Worst air pollution Legionowo, today and tomorrow
Today (16 July): Air quality in Legionowo is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 31.0/100).
Tomorrow (17 July 2026): Air quality in Legionowo is fair. All pollutants stay as today. Pollution peaks around 5:00 PM (O3: 37.9/100). 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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Legionowo's air quality reflects the greater Warsaw metropolitan area's northern suburban corridor, with vehicle traffic on the S8 expressway and the surrounding residential and logistics industry contributing local sources. Winter residential coal and wood burning generates seasonal PM2.5 elevation, while the flat Mazovian plain generally allows reasonable dispersal and the Warsaw metropolitan area's regional pollution background consistently influences the surrounding suburban air quality environment throughout the year.
Today - 16 July | Pollution peaks at 16:00
AQI:
Fair
31.0/100
PM2.5 (fine particles):
Good
8.7/100
PM10 (coarse particles):
Good
2.4/100
NO2 (nitrogen dioxide):
Good
6.8/100
O3 (ozone):
Fair
31.0/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.6/100
PM1 (ultrafine particles):
Good
10.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 17:00
AQI:
Fair
37.9/100
PM2.5 (fine particles):
Good
7.5/100
PM10 (coarse particles):
Good
2.2/100
NO2 (nitrogen dioxide):
Good
6.6/100
O3 (ozone):
Fair
37.9/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.7/100
PM1 (ultrafine particles):
Good
9.2/100
Pollen forecast in Legionowo
View pollen forecastFrequently Asked Questions
Is air quality bad in Legionowo right now?
On 16 July 2026, overall air quality in Legionowo is fair. AQI is the main air quality indicator at 31.0/100. Pollution peaks around 4:00 PM (O3: 31.0/100).
Will air quality be worse tomorrow in Legionowo?
On 17 July 2026, air quality conditions in Legionowo will be similar to today, with AQI forecast at fair at 37.9/100. Pollution peaks around 5:00 PM (O3: 37.9/100).
When is air pollution at its worst in Legionowo?
Legionowo residents notice reduced air quality mainly when fringe oak and birch pollen peaks, and during spells of vehicle traffic on the S8 expressway and the nearby residential and logistics industry; things typically settle down again once the weather pattern shifts.
Are air quality levels in Legionowo 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