- <div id="chart1"></div>
- <div id="chart7"></div>
- <div id="chart31"></div>
- <div id="chart365"></div>
+ <div id="chart_water_1" class="c3-container"></div>
+ <div id="chart_water_7" class="c3-container"></div>
+ <div id="chart_water_31" class="c3-container"></div>
+ <div id="chart_water_365" class="c3-container"></div>
+
+ <h2>Die Luft</h2>
+ <div id="chart_air_1" class="c3-container"></div>
+ <div id="chart_air_7" class="c3-container"></div>
+ <div id="chart_air_31" class="c3-container"></div>
+ <div id="chart_air_365" class="c3-container"></div>