Analisis Pengaruh Air Changes per Hour dan Aktivitas Merokok terhadap Konsentrasi Polutan Udara Dalam Ruangan pada Ventilasi Alami Kamar Kos di Kecamatan Lowokwaru: Analysis of the Effect of Air Changes per Hour (ACH) and Smoking Activity on Indoor Air Pollutant Concentrations in Naturally Ventilated Student Rooms in Lowokwaru District

Ghalib Nabil Putra; Ridwan Muhamad Rifai; Vita Ayu Kusuma Dewi; Revan  Ferdiansyah

doi:10.17977/um071v31i12026p89-100

Authors

Ghalib Nabil Putra Program Studi S1 Teknik Sipil, Departemen Teknik Sipil dan Perencanaan, Universitas Negeri Malang
Ridwan Muhamad Rifai Program Studi S1 Teknik Lingkungan, Departemen Teknik Sipil dan Perencanaan, Universitas Negeri Malang
Vita Ayu Kusuma Dewi Program Studi S1 Teknik Sipil, Departemen Teknik Sipil dan Perencanaan, Universitas Negeri Malang
Revan Ferdiansyah Program Studi S1 Teknik Lingkungan, Departemen Teknik Sipil dan Perencanaan, Universitas Negeri Malang

DOI:

https://doi.org/10.17977/um071v31i12026p89-100

Keywords:

Ventilasi alami, kamar kos, kualitas udara dalam ruangan, Air Changes per Hour, Aktivitas Merokok

Abstract

Kualitas udara dalam ruangan kamar kos mahasiswa berisiko menurun akibat keterbatasan ventilasi alami dan tingginya aktivitas penghuni, khususnya merokok, yang dapat memicu akumulasi polutan berbahaya dan meningkatkan risiko kesehatan penghuni ruangan. Penelitian ini bertujuan mengevaluasi pengaruh kinerja ventilasi alami terhadap kualitas udara dalam kamar kos mahasiswa melalui analisis Air Changes per Hour (ACH), konsentrasi polutan utama (TVOC, HCHO, dan PM_2.5), dinamika akumulasi polutan selama waktu paparan, serta penilaian kondisi udara terintegrasi menggunakan Indoor Air Quality Index (IAQI). Penelitian dilakukan pada 40 kamar kos mahasiswa di Kecamatan Lowokwaru dengan ventilasi alami. Pengukuran konsentrasi TVOC, HCHO, dan PM₂.₅ dilakukan selama periode hunian 8 jam. Nilai Air Changes per Hour (ACH) dihitung dan diklasifikasikan berdasarkan standar ASHRAE, kemudian dianalisis secara deskriptif menggunakan pendekatan keseimbangan massa dan Indoor Air Quality Index (IAQI). Hasil menunjukkan peningkatan ACH berkaitan dengan penurunan konsentrasi rata-rata polutan gas, namun kurang efektif terhadap PM_2.5. Kamar dengan aktivitas merokok memiliki konsentrasi dan variabilitas polutan lebih tinggi pada seluruh kategori ACH. Analisis temporal dan IAQI menunjukkan ventilasi efektif pada kondisi tanpa aktivitas merokok, tetapi tidak mampu mengendalikan akumulasi polutan pada kondisi merokok.

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