Air pollution index that is tied to health risk

Toronto, Canada is introducing an air pollution index that is correlated to health risk This is a good way to make the health risks of air pollution something that people can be aware of on a daily basis. If this is used globally it could help movitivate replacing or cleaning up coal and fossil fuel (diesel oil, gasoline) power sources. The fastest ways are through a combination of conservation, nuclear power, hydro power and renewable power.