Monthly and annual average concentrations and supplementary air pollution characteristics

District: Praha 1

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
771 - Pha1-nam. Republiky
 		CZ01CMREP
CHMI
Xm: 20 22 50 65 71 55 51 59 29 24 ~
19
163
80
41
41
33
352
mc: 31 28 31 30 31 30 31 31 30 31 19 29
12.08.
0.28
85
23.10
2.11
13

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.