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Revista Médica del Uruguay

Print version ISSN 0303-3295On-line version ISSN 1688-0390


PIPPO, Antonella et al. Smoking in vehicles: measurement of 2.5 PM matter particles. Rev. Méd. Urug. [online]. 2018, vol.34, n.4, pp.84-101. ISSN 0303-3295.


Protection from second-hand smoke (SHS) is one of the main principles of the World Health Organization Framework Convention for Tobacco Control. Limited data is available on SHS exposure in vehicles in South America. This study aimed to assess the levels of exposure.


Levels of respirable and fine suspended particles with 2.5 micrometres or less (PM2.5) diameter were measured in different models in smokers’ and non-smoker´s vehicles.


Median PM2.5 concentration was 181 µg/m3 in “smoking vehicles” and 0 µg/m3 in “non-smoking vehicles” (p<0.001). The highest concentration reached 2.900 µg/m3 in a parked car with the driver’s window partially open.


Concentration of PM2.5 in vehicles reached high levels, similar to those at certain sites in countries with weak tobacco control policies. These facts underscore a need for new public policies to eliminate SHS in vehicles to protect public health.

Keywords : Tobacco use disorder; Tobacco smoke pollution; Secondhand smoke; Air pollution, indoor; Automobiles; Public Health.

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