According to the World Air Quality control website, Sarajevo was the fourth most polluted city in the world. The air quality measured in the pollution index AQI was 196 on Thursday morning, and the concentration of PM2.5 particles amounted to 142.3 µg/m³.

Data from the U.S. Embassy’s air quality monitors show even greater pollution, with the pollution index of 268 measured at 6 a.m. This means that the air in Sarajevo is very unhealthy.
This level of pollution is especially dangerous for children, elderly and persons which chronical respiratory issues.

Sarajevo Canton declared a state of preparedness on Wednesday as pollution levels continued to rise for several days in a row. The weather forecast predicts cloudy and stable weather with almost no wind and possible temperature inversions. All of this means that the pollution level will probably remain high in the next days.