Government Decision No. 1145-N “On the classification of zones and agglomerations”.

This Government Decision establishes classifications for zones and agglomerations concerning atmospheric air quality monitoring, assessment, and management. Its primary focus is to define territorial zones for environmental oversight. The policy aims to facilitate precise delineation of areas for monitoring, source identification, and effective deployment of monitoring stations, thereby supporting environmental regulation and public health protection. Key measures include the categorization of the national territory into specific zones and agglomerations based on geographic and industrial characteristics, such as the capital city, northern, central, western, and eastern regions, and their respective subzones. Each zone is assigned specific monitoring methods, including fixed and mobile stations, and modeling techniques. The document emphasizes the importance of regular review of these classifications, at least every five years, or sooner if environmental conditions change. It also specifies that in areas where pollutant concentrations exceed established thresholds, air quality improvement programs must be developed, with monitoring data collected through various methods, including fixed stations, modeling, and passive sampling. Implementation details include the deployment of monitoring stations, the use of modeling and indicative measurements, and the institutional responsibility assigned to the Hydrometeorology and Monitoring Center under the Ministry of Environment. The document stipulates that fixed measurements are mandatory where pollutant thresholds are exceeded, and that data from modeling and indicative measurements supplement fixed station data. It also outlines procedures for adjusting the number of monitoring stations based on pollutant levels and emphasizes periodic review and potential reclassification of zones, ensuring ongoing compliance and environmental management.