Monthly and annual average concentrations and supplementary air pollution characteristics

District: Praha 6

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
777 - Pha6-Veleslavin
 		CZ06CMVEL
Czech Hydrometeorological Institute
Xm: 33 50 44 62 72 63 67 59 46 29 15
35
140
81
50
48
42
365
mc: 31 28 31 30 31 30 31 31 30 31 30 31
06.08.
0.00
87
21.25
1.80
0

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.