Worst air pollution Kielce, today and tomorrow
Today (16 July): Air quality in Kielce is fair. PM2.5, O3, SO2, and PM1 are fair; AQI and NO2 are medium; PM10, CO, and HCHO are good. Pollution peaks around 11:00 PM (NO2: 59.3/100).
Tomorrow (17 July 2026): Air quality in Kielce is poor. AQI worsens to poor; NO2 increases to poor; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 1:00 AM (NO2: 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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Kielce's air quality reflects its position in the Świętokrzyskie Mountains highlands of central Poland, with residential coal and wood burning generating elevated PM2.5 alongside vehicle traffic on the S7 expressway. The surrounding Świętokrzyskie ridgelines create more complex topographic ventilation than the flat Polish plain, while the region's limestone quarrying and cement manufacturing industry contributes elevated PM10, and Kielce's coal heating dependency creates the seasonal PM2.5 challenge typical of Polish cities during the winter heating season.
Today - 16 July | Pollution peaks at 23:00
AQI:
Medium
59.3/100
PM2.5 (fine particles):
Fair
25.1/100
PM10 (coarse particles):
Good
7.1/100
NO2 (nitrogen dioxide):
Medium
59.3/100
O3 (ozone):
Fair
33.6/100
SO2 (sulfur dioxide):
Fair
25.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.0/100
PM1 (ultrafine particles):
Fair
30.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 01:00
AQI:
Poor
62.6/100
PM2.5 (fine particles):
Fair
27.1/100
PM10 (coarse particles):
Good
7.6/100
NO2 (nitrogen dioxide):
Poor
62.6/100
O3 (ozone):
Medium
40.1/100
SO2 (sulfur dioxide):
Fair
26.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.1/100
PM1 (ultrafine particles):
Fair
33.2/100
Pollen forecast in Kielce
View pollen forecastFrequently Asked Questions
Is air quality bad in Kielce right now?
On 16 July 2026, overall air quality in Kielce is fair. O3 is the main pollutant at 33.6/100. Pollution peaks around 11:00 PM (NO2: 59.3/100).
Will air quality be worse tomorrow in Kielce?
On 17 July 2026, air quality conditions in Kielce will be worse than today, with AQI forecast at poor at 62.6/100. Pollution peaks around 1:00 AM (NO2: 62.6/100).
When is air pollution at its worst in Kielce?
Residents in Kielce are quickest to notice reduced air quality when oak and pine pollen peaks, or due to residential coal and wood burning; the picture usually improves again once the season turns. Local monitoring stations typically pick up the clearest signal during these peak periods.
Are air quality levels in Kielce 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