Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:O3-ozone
Station:1013 - Sneznik
Code:CZDCCMSNE
Institution:Czech Hydrometeorological Institute
Region:Ustecky
District:Decin
IHd: 160
Measure method:UV-absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 41 32 18 22 30 34 33 41 41 22 46 49 61 44 48 54 42 34 31 38 43 38 26 23 24 39 43 67 35 39 43 38.08 66.52 31.00
2 52 47 38 27 42 49 40 20 33 53 28 29 61 63 73 29 49 62 58 66 57 74 77 72 32 59 68 90 ~ ~ ~ 51.67 89.52 28.00
3 59 61 62 50 69 89 88 75 32 49 69 54 75 71 53 30 54 50 73 76 63 40 32 47 49 84 86 81 61 67 79 62.21 89.38 31.00
4 99 105 80 92 82 53 72 84 87 61 72 81 72 70 55 69 70 76 78 85 66 66 82 93 89 74 75 58 83 96 ~ 77.45 105.03 30.00
5 94 106 112 79 65 58 52 56 101 101 86 87 95 106 65 92 73 76 85 93 86 96 111 125 104 117 119 40 91 91 87 88.69 125.38 31.00
6 70 ~ ~ ~ 75 78 82 68 87 68 82 77 101 124 112 82 62 67 66 87 87 64 67 79 104 104 138 99 110 106 ~ 86.94 137.70 27.00
7 66 67 79 84 98 114 102 74 67 85 73 79 53 60 58 54 67 65 72 67 80 95 87 74 84 101 111 97 99 122 117 82.32 122.39 31.00
8 76 95 84 58 65 61 55 57 59 57 74 80 52 115 124 132 77 89 98 94 55 70 84 106 117 108 71 65 60 80 42 79.37 132.46 31.00
9 66 65 53 46 51 62 40 61 58 52 55 46 32 38 40 48 44 40 54 52 47 71 70 45 39 47 16 37 49 23 ~ 48.21 70.84 30.00
10 43 51 54 51 38 27 30 32 58 68 56 44 31 54 44 43 53 46 44 51 39 42 39 15 8.33 27 22 44 57 41 52 42.11 67.59 31.00
11 57 40 44 37 50 22 43 52 50 45 26 22 40 31 44 40 31 30 47 48 31 44 54 52 34 34 15 38 27 33 ~ 38.80 57.29 30.00
12 27 13 11 7.64 21 18 41 41 52 50 3.44 46 29 38 23 48 28 30 43 55 33 58 63 36 51 65 52 48 60 58 52 38.76 65.15 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. 53 37 0 0 0 0 0 0 90 37 0 0 0 0 0 0 90
REL. 58.8 41.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 41.1 0.0 0.0 0.0 0.0 0.0 0.028.2
ID 58 41 0 0 0 0 0 0 100
ABS. 3 76 9 0 0 0 0 0 88 85 9 0 0 0 0 0 138
REL. 3.4 86.3 10.2 0.0 0.0 0.0 0.0 0.0 100.0 96.6 10.2 0.0 0.0 0.0 0.0 0.0 27.6
ID 3 86 10 0 0 0 0 0 100
ABS. 23 60 9 0 0 0 0 0 92 69 9 0 0 0 0 0 132
REL. 25.0 65.2 9.7 0.0 0.0 0.0 0.0 0.0100.0 75.0 9.8 0.0 0.0 0.0 0.0 0.0 16.8
ID 25 65 9 0 0 0 0 0 100
ABS. 78 14 0 0 0 0 0 0 92 14 0 0 0 0 0 0 68
REL 84.7 15.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 15.2 0.0 0.0 0.0 0.0 0.0 0.010.10
ID 84 15 0 0 0 0 0 0 100
Year
ABS. 157 187 18 0 0 0 0 0 362 205 18 0 0 0 0 0 138
REL. 43.3 51.6 4.9 0.0 0.0 0.0 0.0 0.0100.0 56.6 5.0 0.0 0.0 0.0 0.0 0.0 27.6
ID 43 51 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