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 | 299 | 26 | 22 | 117 | 58 | 84 |
| Summer | 100 | 15 | 12 | 49 | 33 | 41 |
| Winter | 144 | 32 | 29 | 86 | 65 | 78 |