Tab. Sh-O3

Monthly and annual average concentrations and supplementary air quality characteristics

District: Praha 4

Year: 1997
Pollutant: O3-ozone
Unit: ug/m^3
IH8h:160

StationCode
Institution 		Monthly Characteristics Yearly Characteristics
123456789101112MAX.
DAT.		95%kv
č.p.% 		50%kv
98%kv		X
S		XG
SG		N
dv
774 - PHA4-Libus CZ04CMLIB
CHMI
Xm: 21 47 47 62 74 70 66 67 45 32 13
24
158
84
46
47
38
361
mc: 30 28 31 30 31 30 31 30 30 31 28 31
27.08.
~
96
24.53
2.15
2

This set is specific for ozone. The column MAX. DAT. gives the values of maximum daily 8hr mean in the time period 9:00 to 17:00. 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.
Monthly and annual average concentrations and supplementary air quality characteristics