The daily limit for PM10 is 50 ug/m3. The limit is deemed breached if more than 35 exceedances occur during the year. The table below shows the number of exceedances at stations in Ireland in 2011.
Station Name
Number of values greater than 50 ug/m3(year to date)
Station Type
Station Operator
Ringsend
17
Dublin 4
Urban Traffic
31 December
EPA
Rathmines
9
Dublin 6
Urban Background
Winetavern Street
7
Dublin 8
21 October
Dublin City Council
Phoenix Park
3
Suburban Background
22 October
Old Station Road
19
Cork City
Cork City Council
Heatherton Park
10
Castlebar
6
Co. Mayo
25 December