Monthly average concentrations
Measuring period: April 1994 - March 1995| Period | Nr. of samples | Cavg (ug/m3) | C50
(ug/m3) | Cmax (ug/m3) |
C95 (ug/m3) | C98 (ug/m3) |
| All | 164 | 47 | 46 | 99 | 81 | 88 |
| Summer | 71 | 45 | 46 | 71 | 65 | 69 |
| Winter | 71 | 51 | 47 | 99 | 85 | 88 |