Worst air pollution Bihać, today and tomorrow
Today (9 August): Air quality in Bihać is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 35.3/100).
Tomorrow (10 August 2026): Air quality in Bihać is fair. HCHO increases to fair; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 37.0/100). Airmine updates local air quality forecasts four times daily.
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Air quality in Bihać is shaped mainly by vehicle traffic and light industry along the river, against a backdrop of the Bosnia and Herzegovina, Federation of landscape on the Una river in northwestern Bosnia. Ventilation varies with the terrain, and conditions are typically at their best when weather systems move through more actively, while extended dry, calm periods tend to coincide with the town's least favourable air quality readings.
Today - 9 August | Pollution peaks at 13:00
AQI:
Fair
35.3/100
PM2.5 (fine particles):
Good
14.6/100
PM10 (coarse particles):
Good
4.2/100
NO2 (nitrogen dioxide):
Fair
22.6/100
O3 (ozone):
Fair
35.3/100
SO2 (sulfur dioxide):
Good
8.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
15.5/100
PM1 (ultrafine particles):
Good
18.5/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 15:00
AQI:
Fair
37.0/100
PM2.5 (fine particles):
Good
14.2/100
PM10 (coarse particles):
Good
4.1/100
NO2 (nitrogen dioxide):
Fair
25.7/100
O3 (ozone):
Fair
37.0/100
SO2 (sulfur dioxide):
Good
13.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
20.8/100
PM1 (ultrafine particles):
Good
19.1/100
Pollen forecast in Bihać
View pollen forecastFrequently Asked Questions
Is air quality bad in Bihać right now?
On 9 August 2026, overall air quality in Bihać is fair. AQI is the main air quality indicator at 35.3/100. Pollution peaks around 1:00 PM (O3: 35.3/100).
Will air quality be worse tomorrow in Bihać?
On 10 August 2026, air quality conditions in Bihać will be similar to today, with AQI forecast at fair at 37.0/100. Pollution peaks around 3:00 PM (O3: 37.0/100).
When is air pollution at its worst in Bihać?
birch and oak pollen peaks and periods of vehicle traffic and light industry along the river are the two main triggers for reduced air quality in Bihać; most other times, the Bosnia and Herzegovina, Federation of area sees comparatively steady, breathable conditions.
Are air quality levels in Bihać 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: 9 August 2026 at 20:27 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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