STATE OF AIR QUALITY IN AND OUTSIDE OF HOSPITAL WARDS IN URBAN CENTRES – A CASE STUDY IN LAHORE, PAKISTAN Authors: T. Gulshan, Z. Ali, Z. Zona, B. Ansari, M. Ahmad, I. Zainab, Z. A. Nasir, I. Colbeck Journal: Journal of Animal and Plant Sciences (JAPS) ISSN: 1018-7081 (Print), 2309-8694 (Online) Volume: 25 Issue: 3 Pages: 399-404 Year: 2015 DOI: NA URL: https://doi.org/NA Publisher: Pakistan Agricultural Scientists Forum Abstract: Particulate pollution in healthcare facilities is a potential threat to healthcare workers, patients and visitors. A study was carried out to monitor particulate levels in and outside of five wards of Sheikh Zayed Hospital, a tertiary healthcare facility of Lahore. Measurements indicated that the hourly mean concentrations of PM in a medical, pulmonology 2.5 -3 (chest), surgical, pediatric and nephrology ward were 78 ± 37, 86 ± 46, 94 ± 48, 169 ± 122 and 488 ± 314 µg m respectively. The outside levels of PM of the same wards were 69 ± 27, 81 ± 49, 178 ± 85, 282 ± 164 and 421 ± 240 2.5 -3 µg m . Indoor levels were higher than outdoors in all the wards except surgical and pediatric ward. Such elevated levels of PM can result in aggravation of the poor health status of the patients as well as affecting the hospital staff and visitors. quality in hospitals, particularly with reference to Keywords: Particulate matter, hospital, wards, outdoor, Pakistan.