A St Joseph group finds high levels of pollution in local establishments allowing indoor smoking.

Details of the study by the University of Missouri were released Tuesday from Clean Air St. Joe. Find the complete report here.

The group says the study found 18 hospitality venue’s in St Joseph that allow smoking had very high levels in particulate matter pollution. That pollution, according to the EPA, can aggravate lung conditions such as asthma.

The study was conducted between July and December of last year. The collectors stayed for a drink or a meal, usually on a Friday or Saturday night and measured pollution levels with small device known as a SidePac.