Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:O3-ozone
Station:1013 - Sneznik
Code:CZDCCMSNE
Institution:CHMI
Region:Severocesky
District:Decin
IHd: 160
Measure method:UV-absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 15 17 54 60 61 47 32 60 45 27 18 8.23 7.65 5.85 8.95 15 45 40 37 49 35 31 41 27 42 40 45 42 47 46 73 36.22 73.35 31.00
2 67 30 58 40 37 35 39 47 19 57 52 55 39 55 64 46 66 42 42 42 46 32 48 30 39 34 44 73 ~ ~ ~ 45.69 73.17 28.00
3 71 54 36 58 65 40 60 67 67 70 74 57 63 67 55 44 37 57 72 74 62 57 80 83 82 85 44 36 74 85 67 62.72 85.23 31.00
4 66 50 46 63 66 65 59 60 67 72 73 66 78 64 71 68 61 59 57 79 58 71 79 51 66 75 87 64 78 74 ~ 66.34 87.40 30.00
5 78 72 53 65 57 41 46 94 97 101 101 96 73 91 74 61 68 77 89 69 53 63 60 44 44 49 79 96 89 78 62 71.56 101.26 31.00
6 63 96 80 112 102 105 107 77 116 96 94 87 ~ 86 91 90 95 80 67 84 102 ~ 91 62 ~ 96 87 82 90 90 ~ 89.89 116.35 27.00
7 70 97 103 66 73 66 63 64 69 70 84 41 77 82 82 73 75 73 94 122 135 102 115 88 84 108 ~ 110 56 ~ 86 83.58 134.99 29.00
8 100 83 72 77 62 88 119 115 77 91 144 144 68 80 114 105 128 122 76 122 68 68 63 60 66 60 65 56 58 67 62 86.46 144.48 31.00
9 70 81 83 57 74 48 55 ~ 62 59 58 65 56 45 53 45 34 53 67 64 67 74 ~ 84 46 47 52 61 39 56 ~ 59.19 83.97 28.00
10 34 27 25 42 25 29 37 11 6.15 41 36 57 45 19 45 37 45 65 51 51 32 18 44 53 60 57 42 63 57 57 47 40.54 64.53 31.00
11 51 40 26 36 31 52 47 20 17 44 60 36 8.88 28 28 38 43 58 52 55 46 54 59 21 10 6.41 6.28 7.41 32 28 ~ 34.74 59.98 30.00
12 32 39 19 16 65 58 53 58 49 35 13 7.78 53 37 19 49 34 8.75 41 52 58 35 17 21 37 42 30 28 34 51 52 36.96 64.96 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. 52 38 0 0 0 0 0 0 90 38 0 0 0 0 0 0 85
REL. 57.7 42.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 42.2 0.0 0.0 0.0 0.0 0.0 0.030.3
ID 57 42 0 0 0 0 0 0 100
ABS. 10 76 2 0 0 0 0 0 88 78 2 0 0 0 0 0 116
REL. 11.3 86.3 2.2 0.0 0.0 0.0 0.0 0.0 100.0 88.6 2.3 0.0 0.0 0.0 0.0 0.0 9.6
ID 11 86 2 0 0 0 0 0 100
ABS. 11 64 13 0 0 0 0 0 88 77 13 0 0 0 0 0 144
REL. 12.5 72.7 14.7 0.0 0.0 0.0 0.0 0.0100.0 87.5 14.8 0.0 0.0 0.0 0.0 0.0 11.8
ID 12 72 14 0 0 0 0 0 100
ABS. 75 17 0 0 0 0 0 0 92 17 0 0 0 0 0 0 65
REL 81.5 18.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 18.5 0.0 0.0 0.0 0.0 0.0 0.0 5.12
ID 81 18 0 0 0 0 0 0 100
Year
ABS. 148 195 15 0 0 0 0 0 358 210 15 0 0 0 0 0 144
REL. 41.3 54.4 4.1 0.0 0.0 0.0 0.0 0.0100.0 58.7 4.2 0.0 0.0 0.0 0.0 0.0 11.8
ID 41 54 4 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