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Arithmetic mean concentrations of sulfur dioxide and black smoke in women's living area, 2004-2008
| Pollutants | Mean concentrations (μg/m3) | ||||
|---|---|---|---|---|---|
| 2004 | 2005 | 2006 | 2007 | 2008 | |
| SO2 | 10.01 | 10.32 | 8.34 | 2.22 | 4.05 |
| BS | 1.22 | 0.98 | 0.87 | 0.76 | 0.45 |
| 5-year mean concentrations (μg/m3) | |||||
| SO2 | 6.98 | ||||
| BS | 0.85 | ||||
Definition of abbreviations: BS, black smoke; SO2, sulfur dioxide.
