Mrsevci is a station in the municipality of Ilinden which is positioned approximately 15 km east of Skopje. The station monitors the air quality effects of the OKTA refinery. The station is located in a small village approximately 0.5 km north of the refinery.

The factory area is wide-ranging and the point source emissions (stacks) are located approximately 1.2 km away from the station. The distance to the motorway M1/E75 is 1.7 km.

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

Mrsevci Mrsevci