<![CDATA[Background: Air quality in public green open spaces (RTH) is often threatened by visitor smoking, which risks reducing the effectiveness of RTH as a health facility. This research seeks to explore the connection between visitor smoking behavior and the availability of green open spaces in public areas among Halu Oleo University students. Methods: This quantitative descriptive study used a cross-sectional, observational, and analytical approach. A group of 36 students was chosen employing a non-probability sampling method that relied on voluntary participation via surveys. Data collection was conducted on May 15, 2026, at Halu Oleo University, Kendari City. Analysis of the data used Fisher's Exact Test. Results: Descriptively, the majority of respondents (86.1%) felt disturbed by visitor smoking on campus. Furthermore, 97.2% of respondents assessed the availability and arrangement of green open spaces within the university environment as poor. Based on the results of bivariate analysis using Fisher's Exact Test, a p-value of 1.000 was obtained (p > 0.05). Conclusion: There is no significant relationship between visitor smoking behavior and the availability of green open spaces in public areas among students. This finding suggests that smoking activity in educational institutions is not determined by the physical condition of green open spaces, but is more predominantly influenced by internal factors such as attitudes and awareness, as well as weak oversight and implementation of Smoke-Free Area (KTR) policies.]]>
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