Table 2
Mean residential fine particulate matter (PM2.5) exposure, by low-income status, visible minority status and Census Metropolitan Area (CMA), household CMA population, Canada, 2006
| Census Metropolitan Area | PM2.5 (μg/m3) | Difference (LIN - HIW) | |||||
|---|---|---|---|---|---|---|---|
| Total | Low-income non-white (LIN) | High-income white (HIW) | |||||
| Mean | S.D. | Mean | S.D. | Mean | S.D. | ||
| St. John's | 4.49 | 3.06 | 5.04 | 3.07 | 4.61 | 3.02 | 0.43 |
| Vancouver | 7.37 | 3.14 | 7.77 | 2.84 | 7.34 | 3.03 | 0.43 |
| Kingston | 6.33 | 4.40 | 6.93 | 3.60 | 6.71 | 4.58 | 0.23 |
| St. Catharines-Niagara | 10.40 | 4.75 | 10.85 | 4.57 | 10.65 | 4.65 | 0.20 |
| Montreal | 8.94 | 7.93 | 9.22 | 7.79 | 9.20 | 8.78 | 0.02 |
| Kelowna | 6.63 | 4.43 | 6.81 | 3.81 | 6.84 | 4.66 | -0.03 |
| Victoria | 6.92 | 3.32 | 7.13 | 2.96 | 7.15 | 3.21 | -0.03 |
| Moncton | 4.76 | 2.43 | 4.89 | 2.35 | 4.97 | 2.61 | -0.08 |
| Thunder Bay | 5.67 | 2.74 | 5.74 | 2.57 | 5.92 | 2.49 | -0.18 |
| Greater Sudbury | 6.24 | 3.91 | 6.43 | 4.22 | 6.62 | 4.08 | -0.18 |
| Halifax | 4.74 | 2.90 | 4.65 | 2.67 | 4.89 | 2.85 | -0.24 |
| Winnipeg | 5.90 | 2.47 | 5.83 | 2.09 | 6.10 | 2.28 | -0.27 |
| Québec | 8.17 | 4.90 | 8.35 | 4.70 | 8.68 | 5.12 | -0.33 |
| Saguenay | 6.07 | 3.50 | 5.96Note E: Use with caution | 3.18 | 6.29 | 3.55 | -0.33Note E: Use with caution |
| London | 9.43 | 4.05 | 9.55 | 3.76 | 9.89 | 3.67 | -0.34 |
| Ottawa-Gatineau | 6.84 | 4.18 | 6.82 | 3.86 | 7.18 | 4.22 | -0.36 |
| Saint John | 5.07 | 2.77 | 4.87 | 2.78 | 5.26 | 2.92 | -0.39 |
| Saskatoon | 4.74 | 5.23 | 4.64 | 3.81 | 5.06 | 5.57 | -0.42 |
| Peterborough | 6.00 | 4.41 | 6.07 | 3.90 | 6.51 | 4.58 | -0.43 |
| Regina | 4.63 | 2.73 | 4.48 | 2.62 | 4.98 | 2.59 | -0.50 |
| Abbotsford-Mission | 7.07 | 3.43 | 6.99 | 2.99 | 7.54 | 3.52 | -0.55 |
| Brantford | 8.70 | 4.05 | 8.59 | 3.73 | 9.15 | 3.97 | -0.56 |
| Windsor | 10.39 | 4.44 | 10.33 | 4.03 | 10.89 | 4.46 | -0.56 |
| Edmonton | 7.45 | 4.04 | 7.33 | 3.71 | 7.89 | 3.84 | -0.56 |
| Toronto | 9.08 | 4.20 | 8.84 | 4.03 | 9.41 | 4.16 | -0.58 |
| Calgary | 7.35 | 3.91 | 7.20 | 3.95 | 7.80 | 3.34 | -0.60 |
| Sherbrooke | 7.07 | 3.30 | 6.78 | 2.86 | 7.39 | 3.23 | -0.61 |
| Hamilton | 9.33 | 4.32 | 9.20 | 4.29 | 9.86 | 3.90 | -0.66 |
| Guelph | 7.29 | 4.07 | 7.14 | 3.83 | 7.83 | 3.89 | -0.69 |
| Barrie | 5.47 | 3.68 | 5.01 | 3.26 | 5.72 | 3.82 | -0.72 |
| Oshawa | 8.57 | 4.32 | 8.29 | 4.30 | 9.01 | 3.95 | -0.72 |
| Kitchener-Cambridge-Waterloo | 8.38 | 3.91 | 7.91 | 4.02 | 8.87 | 3.56 | -0.95 |
| Trois-Rivières | 7.09 | 4.88 | 6.31Note E: Use with caution | 3.29 | 7.48 | 5.37 | -1.17Note E: Use with caution |
|
E use with caution S.D. = standard deviation Sources: 2006 Census of Canada;van Donkelaar A, Martin RV, Spurr RJD, et al. High-resolution satellite-derived PM2.5 from optical estimation and geographically weighted regression over North America. Environmental Science and Technology 2015; 49(17): 10482-91. |
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