A 2005 scientific study for the British Columbia Lung Association showed that a small improvement in air quality (1% reduction of ambient PM2.5 and ozone concentrations) would produce $29 million in annual savings in the Metro Vancouver region in 2010.
2005年不列颠哥伦比亚肺协会科学研究显示，2010年空气质量进步一小步(PM2.5和臭氧浓度减少1%)会使得温哥华市区增加2900万美元年存款。