Monthly and annual average concentrations and supplementary air pollution characteristics

District: Praha 8


Year: 1999
Pollutant: O3-ozone
Unit: ug/m^3
IH8h:160

Station Code
Institution
Monthly Characteristics Yearly Characteristics
123456789101112MAX8h
DAT.
95%kv
č.p.%
50%kv
98%kv
X
S
XG
SG
N
dv
779 - Pha8-Kobylisy
CZ08CMKOB
Czech Hydrometeorological Institute
Xm: 27 45 47 64 79 68 73 65 54 31 15
31
142
91
49
50
42
364
mc: 31 28 31 30 30 30 31 31 30 31 30 31
28.05.
0.00
97
24.96
1.91
1


This set is specific for ozone. The column MAX8h DAT. gives the values of maximum daily 8hr mean in the time period 9:00 to 17:00 UTC. Similarly the annual relative frequencies of exceedence is related to 8hr averages and to the respective limit. Further entries are equivalent with those of the other measured substances.