The 21st International Conference “Man and Working Environment”
SAFETY ENGINEERING & MANAGEMENT SCIENCE, INDUSTRY, EDUCATION (SEMSIE 2025)   
PROCEEDINGS OF PAPERS 
25-26 September 2025, SOKOBANJA, SERBIA  

Viša Tasić , Milan Protić , Bojan Radović ,
Renata Kovačević , Nikola Mišić , Zvonko Damnjanović 

ORIGINAL SCIENTIFIC PAPER

INDOOR AND OUTDOOR AIR QUALITY: ANALYSIS OF SUSPENDED PARTICLES IN RESIDENTIAL SPACES IN BOR, SERBIA 

Abstract:

This study examines the levels of suspended particles (PM10 and PM2.5) in residential settings in Bor, Serbia, alongside simultaneous outdoor measurements of PM. The project lasts 2 years and involves 30 apartments per year, selected based on criteria such as window type, connection to central heating, non-smoking status, distance from major pollution sources, and prevailing wind direction. Results from the winter measurement campaign (heating season) in 15 apartments, presented here, show that indoor PM concentrations vary significantly depending on ventilation habits, window type, and proximity to pollution sources. Measurements were conducted over 45 days during the heating season, and residents maintained activity diaries to document household activities. The average PM10 concentration in apartments was 18.2 µg/m³, while the average PM2.5 concentration was 12.0 µg/m³. The average indoor/outdoor concentration ratio was 0.58 for PM10 and 0.68 for PM2.5. The final results of this project will support the development of recommendations aimed at reducing indoor air pollution in urban homes across Serbia.

Keywords:

Air quality, monitoring, suspended particles, measurement

ACKNOWLEDGEMENTS:

This work is supported by the Ministry of Science, Technological Development and Innovation of the Republic of Serbia pursuant to agreement № 451-03-137/2025- 03/200148 with the University of Niš, Faculty of Occupational Safety, and № 451-03-136/2025-03/200052 with the Mining and Metallurgy Institute Bor and ERASMUS+ Jean Monnet Module “Workplace and Process Safety in Next Generation Europe - Teaching for Learning”. This work was co-funded by the Center for the Promotion of Science, under the auspices of the Ministry of Science, Technological Development and Innovation of the Republic of Serbia (Contract № 1383/24).

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