Comparing Carbon Monoxide and Sulphur Dioxide pollution in Hong Kong

Summary

Another trip into Hong Kong in a car on a ferry and walking. Compare the data here which is Carbon Monoxide with the next data set which is of Sulphur Dioxide. The CO levels are clearly high going up the hills on the motorway whereas the SO2 pollution is more localised and in the built up areas. Note the low levels on the water!

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