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Lower Hutt survey: smoking on footpaths increases hazardous air pollutants

Press Release – University of Otago, Wellington
A five-week study in Lower Hutt has found that smoking on city street footpaths increases the amount of dangerous fine particulates in city air.

The five-week study by public health researchers at the University of Otago, Wellington, used a sensitive air monitor to measure air quality in the Lower Hutt shopping centre as they passed 284 people who were smoking on the footpaths.

They found that when smokers were observed, at an average distance of 2.6 metres, there was an average 70% more fine particulates in the air (PM2.5 or less than 2.5mm in diameter) than when there were no smokers around.

When standing next to a smoker at a bus stop, the mean fine particulate pollution level was 16 times the background level, with a peak of 26 times the background level.

One of the researchers, Dr George Thomson, pointed out that the problem of smoking on city streets is being addressed internationally with a growing number of cities successfully adopting smokefree policies for at least some outdoor parts of shopping areas. These cities include Brisbane, Adelaide, Hobart and many in California and Japan.

“Much of the impetus for these policies is to denormalise smoking further, and to decrease the example of smoking to children,” he says. “Reducing visible smoking also makes it easier for smokers to quit and to stay quit.”

Study co-author, Associate Professor Nick Wilson says that city councils should do more to help protect the health of pedestrians, and especially those in outdoor pavement seating, by implementing smokefree policies for shopping areas. “They should be particularly concerned about protecting bar and restaurant workers who frequently have to breathe in second hand smoke when servicing outdoor tables with smokers,” he says.

Other likely benefits of smokefree streets would be decreased street cleaning costs from less cigarette butt litter, a better public image for a city, the reduction of second hand smoke drifting into shops and offices, and reducing the nuisance impact for others walking on footpaths.

The researchers found the results of this study were consistent with similar research along streets in downtown Wellington, even though there were less pedestrians and smokers in Lower Hutt.

The study has been published in the international journal Health & Place, and the research was funded by the Cancer Society of New Zealand, Wellington Branch.

The study is available at: http://www.sciencedirect.com/science/article/pii/S1353829212001025

Patel V, Thomson G, Wilson N. Smoking increases air pollution levels in city streets: Observational and fine particulate data. Health and Place Online May 29, 2012. DOI : 10.1016/j.healthplace.2012.05.005

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1 comment:

  1. Billy Ray, 10. July 2012, 16:17

    haha the propaganda drive is under way.

    I feel sorry for smokers. The Govt. let cigarette companies advertise heavily and get people addicted, then were only too happy to take huge amounts of tax off them while knowing they were getting health problems, and now push up the price of cigarettes and start restricting where people can smoke.

    I love big intrusive Governments.

     

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