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This paper examines the change in air pollutant concentrations between 2005 and 2010 occurring in the City of Hamilton, Ontario, Canada. After analysis of stationary air pollutant concentration data, we analyze mobile air pollutant concentration data. Air pollutants included in the analysis are CO, PM[subscript 2.5], SO[subscript 2], NO, NO[subscript 2], and NO[subscript X]. Stationary monitoring indicates a continuous reduction in air pollutant concentrations. Stationary monitors only cover a small spatial extent of Hamilton. Mobile monitoring of air pollutant concentrations, averaged over census tract boundaries, indicates both improvement and decline in air quality. These improvements and declines in air quality are spatially clustered throughout Hamilton. Mobile data indicated significant decline in median pollutant concentration for CO, SO[subscript 2], PM[subscript 2.5], and NO[subscript 2]; but significant increase for NO and NO[subscript X]. Air quality change in Hamilton is spatially heterogeneous, and is not captured based on the current stationary monitoring network. Coupling of mobile and stationary air pollutant concentration monitoring provides a more accurate spatial assessment of local air quality.

There is an astonishing amount of fraternal social work being done at the present time. In those Masonic Homes for children and in those for the aged there are over 6,000 individuals, who cost the fraternity over three million dollars per year. Millions of dollars are invested in these State Homes. The Shrine has approximately eight million dollars invested in hospitals for crippled children in different parts of the United States and Canada. These are maintained at a yearly expense of over a million dollars, raised by assessment of $2 per member. The Odd Fellows spend more than three million dollars yearly in relief work for 6,000 individuals. The Loyal Order of Moose cares for approximately 3 ,000 children, and also their aged and infirm, in institutions and in their own homes, at an approximate cost of two million dollars per year. This organization has a capital investment of over five million dollars. The Yeomen are caring for about 300 children and are considering a national home for the aged in California.