Group of 7 countries (G7) Compared by Environment > Urban SO2 concentration

DEFINITION: Urban SO2 concentration
Units: Micrograms/m3
Units: The values were originally collected at the city level. Each nation varied in terms of the number of cities reported, so this data should be used with some caution. Within each country the values have been normalized by city population for the year 1995, then added together to obtain the total concentration for the given country.


1 Japan 24.33 micrograms/m3 1995
2 United Kingdom 21.96 micrograms/m3 1995
3 Italy 15.55 micrograms/m3 1995
4 United States 15.43 micrograms/m3 1995
5 France 13.89 micrograms/m3 1995
6 Canada 12.87 micrograms/m3 1995
7 Germany 12.8 micrograms/m3 1995


Group of 7 countries (G7) Compared by Environment > Urban SO2 concentration


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