Monthly and annual average concentrations and supplementary air pollution characteristics

District: Usti nad Labem

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
1011 - Usti n.L.-Kockov
 		CZULCMUNK
Czech Hydrometeorological Institute
Xm: 40 60 62 81 88 76 81 79 70 40 22
38
147
109
62
61
53
361
mc: 31 28 29 28 31 30 31 31 30 31 30 31
28.05.
0.00
116
27.54
1.80
2
1012 - Usti n.L.-mesto
 		CZULCMUNM
Czech Hydrometeorological Institute
Xm: 8 17 34 49 66 54 58 52 39 20 12
24
136
74
34
36
27
361
mc: 31 26 31 28 31 30 31 31 30 31 30 31
28.05.
0.00
80
23.08
2.42
2

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.