The Słowiński National Park monitoring was established in 1993 and consists of a monitoring station, where the measuring equipment is located, i.e., Wind Speed Meter (Young) pyranometer (LiCo) hygrometers, etc., permanent plots in the 90-year-old spruce and pine stands where bulk deposition, throughfall and soil solution are collected on the monthly basis. The investigations of health status of trees and floral characteristic have been carried out since 1994. The analyses are carried out in a certified laboratory of the Institute for Ecology of Industrial Areas, Katowice (Certificate No AB 325).