Monthly and annual average concentrations and supplementary air pollution characteristics

District: Tachov

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
1101 - Primda
 		CZTCCMPRI
CHMI
Xm: 44 52 70 79 92 83 69 87 54 31 31
37
167
115
61
62
55
344
mc: 30 27 31 30 31 27 31 31 30 23 25 28
12.08.
0.29
126
27.28
1.70
5

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.