RT Journal Article SR Electronic T1 Tobacco smoke is a major source of indoor air pollution in Hungary's hospitality venues JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP p1082 VO 38 IS Suppl 55 A1 Adam Domonkos Tarnoki A1 David Laszlo Tarnoki A1 Mark J. Travers A1 Andrew Hyland A1 Katherine Dobson A1 Laszlo Mechtler A1 Ildiko Horvath A1 K. Michael Cummings YR 2011 UL http://erj.ersjournals.com/content/38/Suppl_55/p1082.abstract AB Objective: To compare the levels of indoor air pollution found in a sample of public locations in Hungary where smoking was and was not observed.Methods: The TSI SidePak AM510 Personal Aerosol Monitor was used to measure the concentration of particulate matter less than 2.5 microns in diameter (PM2.5) observed in the ambient air of 6 pubs, 5 restaurants, 11 cafes and 21 other locations in Budapest and Zalakaros between January and August 2008.Results: In the 27 places where smoking was observed the average PM2.5 level was 97.44 μg/m3 [range: 3-487 μg/m3]; compared to 5.5 μg/m3 [range: 0-28 μg/m3] in the 16 places where smoking was not observed.Conclusions: The levels of indoor fine particle air pollution measured in public locations in Hungary where smoking was observed were times higher than the levels in locations where smoking was not observed and in nearly all instances exceeded the levels that the World Health Organization and US Environmental Protection Agency have concluded are harmful to human health.