Monthly and annual average concentrations and supplementary air pollution characteristics

District: Praha 9

Year: 1998
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
780 - Pha9-Vysocany
 		CZ09CMVYS
CHMI
Xm: 24 26 51 61 69 ~ ~ 65 ~ 27 18
~
205
85
43
44
36
309
mc: 31 28 31 30 31 13 18 31 21 31 30 14
12.08.
0.65
93
24.30
2.04
30

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.