PM10 was measured at the site until 31st December 2008. PM2.5 measurements began on 1st January 2009.
The measurement method used for PM2.5 is not automatic therefore the results are not available immediately. The most recent available results are shown in the graph. Check the site log for additional information.
The annual target value for PM2.5 is 25 ug m-3. There is no daily limit for PM2.5.