Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:O3-ozone
Station:1013 - Sneznik
Code:CZDCCMSNE
Institution:Czech Hydrometeorological Institute
Region:Severocesky
District:Decin
IHd: 160
Measure method:UV-absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 37 24 23 30 12 9 45 42 36 48 32 36 41 45 45 38 43 13 3.76 2.84 2.98 3.05 3.92 3.17 18 48 45 38 57 56 55 30.25 57.00 31.00
2 30 33 20 41 67 64 58 57 50 46 57 61 57 46 29 49 63 57 21 55 43 68 59 58 58 25 40 49 ~ ~ ~ 48.71 67.53 28.00
3 46 33 36 48 43 44 59 60 25 34 58 59 62 34 50 58 49 49 49 55 49 51 54 34 70 76 74 41 48 70 114 52.57 113.72 31.00
4 119 97 98 64 54 47 61 53 68 74 52 60 56 69 67 57 72 74 ~ ~ 45 68 85 91 73 ~ 29 51 72 95 ~ 68.51 119.00 27.00
5 89 91 87 88 88 87 54 41 75 76 72 64 71 72 66 68 91 96 93 80 64 66 88 80 69 91 96 94 87 95 77 79.26 96.07 31.00
6 101 84 75 61 76 66 67 55 81 80 61 60 66 ~ 80 61 71 48 54 72 49 52 67 68 71 84 65 60 80 61 ~ 68.07 100.88 29.00
7 62 71 81 86 92 72 56 53 51 73 74 63 57 68 56 85 101 87 91 63 64 61 36 49 44 54 66 73 73 77 80 68.28 101.15 31.00
8 82 81 91 94 64 86 55 65 51 43 42 49 55 65 47 42 44 44 57 56 46 48 65 83 90 74 54 45 55 62 34 60.30 94.01 31.00
9 36 32 49 61 58 55 62 94 103 104 89 82 90 101 103 56 87 65 62 65 28 41 31 52 29 35 45 36 29 35 ~ 60.47 104.41 30.00
10 46 58 43 33 37 41 41 20 44 37 39 46 43 38 37 38 32 44 53 52 31 27 23 25 23 47 37 38 35 32 41 38.05 57.72 31.00
11 26 27 43 44 17 36 16 22 11 19 27 29 32 45 35 32 16 40 35 38 40 25 25 23 12 7.64 14 18 8.88 8.18 ~ 25.68 45.50 30.00
12 40 49 44 48 56 29 27 36 17 22 35 40 44 36 43 34 24 53 52 40 38 22 24 41 30 45 39 28 39 36 20 36.49 55.83 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. 60 29 1 0 0 0 0 0 90 30 1 0 0 0 0 0 114
REL. 66.6 32.2 1.1 0.0 0.0 0.0 0.0 0.0 100.0 33.3 1.1 0.0 0.0 0.0 0.0 0.031.3
ID 66 32 1 0 0 0 0 0 100
ABS. 10 76 1 0 0 0 0 0 87 77 1 0 0 0 0 0 119
REL. 11.4 87.3 1.1 0.0 0.0 0.0 0.0 0.0 100.0 88.5 1.1 0.0 0.0 0.0 0.0 0.0 1.4
ID 11 87 1 0 0 0 0 0 100
ABS. 30 62 0 0 0 0 0 0 92 62 0 0 0 0 0 0 104
REL. 32.6 67.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 67.4 0.0 0.0 0.0 0.0 0.0 0.0 10.9
ID 32 67 0 0 0 0 0 0 100
ABS. 90 2 0 0 0 0 0 0 92 2 0 0 0 0 0 0 58
REL 97.8 2.1 0.0 0.0 0.0 0.0 0.0 0.0100.0 2.2 0.0 0.0 0.0 0.0 0.0 0.0 2.10
ID 97 2 0 0 0 0 0 0 100
Year
ABS. 190 169 2 0 0 0 0 0 361 171 2 0 0 0 0 0 119
REL. 52.6 46.8 0.5 0.0 0.0 0.0 0.0 0.0100.0 47.4 0.6 0.0 0.0 0.0 0.0 0.0 1.4
ID 52 46 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