Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:O3-ozone
Station:1108 - Ondrejov
Code:CZPHCMOND
Institution:Czech Hydrometeorological Institute
Region:Stredocesky
District:Praha-vychod
IHd: 160
Measure method:UV-absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 50 58 58 56 64 57 27 25 41 32 43 30 24 36 44 39 33 39 52 64 ~ 56 63 55 62 69 68 67 66 64 50 49.70 68.88 30.00
2 60 68 63 65 63 17 34 47 55 69 63 58 53 60 63 73 66 53 ~ 63 61 62 74 70 48 66 70 72 ~ ~ ~ 59.93 74.28 27.00
3 67 59 65 61 67 71 74 77 77 77 78 81 84 49 27 43 58 68 70 56 59 67 66 73 73 69 76 96 95 111 111 71.15 111.13 31.00
4 105 105 100 93 91 79 84 106 91 80 66 53 36 37 65 94 71 74 86 71 89 75 84 69 73 94 81 85 84 92 ~ 80.36 105.87 30.00
5 99 104 101 80 31 63 102 117 109 81 78 74 95 94 ~ 100 119 96 70 72 101 98 92 45 83 47 49 42 75 100 105 84.06 119.25 30.00
6 89 94 99 108 112 71 60 47 48 63 74 84 70 58 86 80 103 112 111 114 89 101 91 63 101 108 122 76 63 91 ~ 86.29 122.32 30.00
7 105 66 72 60 93 94 70 95 126 101 64 92 84 85 72 65 70 38 60 92 89 75 85 53 48 63 75 95 ~ ~ ~ 78.09 125.62 28.00
8 68 65 105 86 82 81 65 70 97 91 70 75 64 39 60 72 96 94 97 95 87 94 103 104 99 114 101 78 104 108 108 86.21 113.99 31.00
9 48 63 90 93 66 80 90 105 103 64 55 77 80 73 51 42 45 56 71 29 53 65 52 55 47 24 51 60 67 64 ~ 63.95 104.84 30.00
10 74 67 48 28 52 48 46 35 39 37 44 37 18 36 43 42 55 41 52 58 40 41 59 56 59 71 64 60 62 36 40 48.01 74.21 31.00
11 34 51 52 30 53 47 38 43 58 47 41 50 43 18 20 47 63 26 23 30 27 15 50 41 26 10 21 26 13 9 ~ 35.06 63.20 30.00
12 35 26 7.29 4.52 18 19 19 33 32 38 38 36 22 31 29 21 10 33 40 32 6.39 16 32 52 56 42 31 22 45 43 62 29.99 61.53 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. 22 64 2 0 0 0 0 0 88 66 2 0 0 0 0 0 111
REL. 25.0 72.7 2.2 0.0 0.0 0.0 0.0 0.0 100.0 75.0 2.3 0.0 0.0 0.0 0.0 0.031.3
ID 25 72 2 0 0 0 0 0 100
ABS. 10 70 10 0 0 0 0 0 90 80 10 0 0 0 0 0 122
REL. 11.1 77.7 11.1 0.0 0.0 0.0 0.0 0.0 100.0 88.9 11.1 0.0 0.0 0.0 0.0 0.0 27.6
ID 11 77 11 0 0 0 0 0 100
ABS. 13 72 4 0 0 0 0 0 89 76 4 0 0 0 0 0 126
REL. 14.6 80.8 4.4 0.0 0.0 0.0 0.0 0.0100.0 85.4 4.5 0.0 0.0 0.0 0.0 0.0 9.7
ID 14 80 4 0 0 0 0 0 100
ABS. 76 16 0 0 0 0 0 0 92 16 0 0 0 0 0 0 74
REL 82.6 17.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 17.4 0.0 0.0 0.0 0.0 0.0 0.0 1.10
ID 82 17 0 0 0 0 0 0 100
Year
ABS. 121 222 16 0 0 0 0 0 359 238 16 0 0 0 0 0 126
REL. 33.7 61.8 4.4 0.0 0.0 0.0 0.0 0.0100.0 66.3 4.5 0.0 0.0 0.0 0.0 0.0 9.7
ID 33 61 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