If you mouse over the bars you can see the result for each station by survey, and you can play around with the interactive graphics in other ways as well, such as mousing over the coloured dots at the bottom of the chart to see a specific survey.
Our trend charts have now been updated with Survey 6 data.
Below you will see the graphs for each city. To look back to the 2016 survey charts, click here.
If you mouse over the bars you can see the result for each station by survey, and you can play around with the interactive graphics in other ways as well, such as mousing over the coloured dots at the bottom of the chart to see a specific survey.
Our trend charts have now been updated with Survey 5 data.
Below you will see the graphs for each city. To look back to the 2016 survey charts, click here.
If you mouse over the bars you can see the result for each station by survey, and you can play around with the interactive graphics in other ways as well, such as mousing over the coloured dots at the bottom of the chart to see a specific survey.
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