Kumanovo is a city of 100 000 inhabitants located 30 km northeast of Skopje. Kumanovo station is located in the hospital surroundings, near the entrance road to the city. The distance to this road is approximately 35 m and the distance to the motorway is 600 m. The local industrial sources have a minor or no influence on the measured concentrations.

Measured components are: O3, NO2, SO2, CO and PM10.