Detailed overview of ambient air pollution valuis from individual stations


Year: 1999
Pollutant:O3-ozone
Station:1102 - Churanov
Code:CZPTCMCHU
Institution:Czech Hydrometeorological Institute
Region:Jihocesky
District:Prachatice
IHd: 160
Measure method:UV-absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 95 91 73 69 63 73 70 70 66 50 46 64 65 76 80 87 96 90 94 101 103 99 100 92 77 73 74 63 71 79 77 78.26 103.12 31.00
2 79 51 35 46 86 86 81 76 77 78 71 83 74 74 93 80 92 85 49 64 88 93 83 86 89 91 97 87 ~ ~ ~ 77.70 97.25 28.00
3 87 70 83 94 76 88 84 97 86 94 81 112 117 104 74 81 85 97 92 85 96 81 71 87 117 121 102 38 58 81 139 89.72 139.13 31.00
4 143 129 127 99 79 95 92 74 88 99 86 102 93 110 95 68 93 106 107 116 98 96 118 114 112 100 89 95 113 96 ~ 101.08 143.23 30.00
5 108 88 109 109 98 90 82 81 103 110 93 97 88 86 92 94 108 99 103 100 76 87 98 100 84 94 128 101 112 111 96 97.49 127.90 31.00
6 109 101 94 71 102 89 88 69 98 105 81 98 104 84 79 71 87 69 60 90 76 64 87 95 104 131 97 64 94 71 ~ 87.78 131.42 30.00
7 76 97 112 117 131 93 78 64 57 80 82 75 101 90 76 73 114 112 113 118 88 81 59 58 95 100 84 99 102 100 107 91.30 131.23 31.00
8 110 117 116 133 106 94 81 98 93 72 65 74 78 102 72 65 64 81 64 75 80 86 93 115 125 88 69 87 63 57 69 86.86 133.40 31.00
9 62 59 70 81 68 79 80 114 126 129 114 114 121 120 124 97 92 83 90 79 60 72 68 76 66 69 70 62 64 74 ~ 86.06 129.15 30.00
10 66 75 75 50 51 53 46 64 59 49 51 54 56 62 52 55 45 52 60 54 44 50 60 68 63 73 68 65 59 61 72 58.50 75.31 31.00
11 81 65 54 50 64 54 44 32 29 34 44 32 42 66 63 ~ ~ 62 57 62 54 43 27 37 65 81 79 80 91 89 ~ 56.41 90.54 28.00
12 62 67 69 77 72 69 74 67 71 61 70 74 69 70 54 46 62 55 74 62 63 79 85 80 80 81 76 52 55 55 63 67.51 85.27 31.00

Quarterly and annual absolute and relative frequency of average daily concentrations
partial and total air pollution indexes according to classes of IHd multiples

Quarter

concentration classes in IHd multiples

total ind.

part of it in IHd multiples

max.
date

<=1/3 <=2/3 <=1.0 <=1.5 <=2.0 <=3.0 <=4.0 > 1/32/31.01.52.0 3.04.0

concentration classes in measurement units

part of above IHd multiples in meas. units

0- 53 54- 107 108- 160 161- 240 241- 320 321- 480 481- 640 over 640 53 107 160 240 320 480 640
ABS. 7 78 5 0 0 0 0 0 90 83 5 0 0 0 0 0 139
REL. 7.7 86.6 5.5 0.0 0.0 0.0 0.0 0.0 100.0 92.2 5.6 0.0 0.0 0.0 0.0 0.031.3
ID 7 86 5 0 0 0 0 0 100
ABS. 0 71 20 0 0 0 0 0 91 91 20 0 0 0 0 0 143
REL. 0.0 78.0 21.9 0.0 0.0 0.0 0.0 0.0 100.0 100.0 22.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 0 78 21 0 0 0 0 0 100
ABS. 0 71 21 0 0 0 0 0 92 92 21 0 0 0 0 0 133
REL. 0.0 77.1 22.8 0.0 0.0 0.0 0.0 0.0100.0 100.0 22.8 0.0 0.0 0.0 0.0 0.0 4.8
ID 0 77 22 0 0 0 0 0 100
ABS. 24 66 0 0 0 0 0 0 90 66 0 0 0 0 0 0 91
REL 26.6 73.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 73.3 0.0 0.0 0.0 0.0 0.0 0.029.11
ID 26 73 0 0 0 0 0 0 100
Year
ABS. 31 286 46 0 0 0 0 0 363 332 46 0 0 0 0 0 143
REL. 8.5 78.7 12.6 0.0 0.0 0.0 0.0 0.0100.0 91.5 12.7 0.0 0.0 0.0 0.0 0.0 1.4
ID 8 78 12 0 0 0 0 0 100

Note:

1 frequency < 60 per quarter, or < 240 per annum
2 frequency < 30 per quarter, or < 120 per annum