Distribution of stations by thresholds of 90.41 percentile of daily PM10 concentrations for the year 2011. The figure is based on the 90.41 percentile of the PM10 daily concentrations, corresponding to the 36th highest PM10 concentration when data availability is 100% over the year.
Decrease your toilet’s water-use by dropping a hippo or other displacement device into the cistern. If you’re planning on buying a new toilet, consider a water efficient one with a dual flush.
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