Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
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 55 39 40 38 51 57 48 15 32 26 29 30 50 51 47 48 48 39 47 45 42 42 29 27 31 44 57 71 32 34 47 41.64 70.57 31.00
2 45 42 47 57 62 66 43 21 26 48 63 59 47 45 62 55 43 52 51 59 53 69 64 68 81 55 68 87 ~ ~ ~ 54.89 87.28 28.00
3 73 74 55 62 60 84 86 68 48 71 69 53 72 71 40 31 40 68 73 73 57 25 50 63 67 70 72 76 55 22 82 61.52 86.04 31.00
4 106 108 89 99 78 67 75 ~ ~ ~ ~ ~ 71 74 69 69 54 72 77 72 67 61 80 101 105 82 92 75 95 105 ~ 81.74 108.05 25.00
5 95 98 108 89 53 44 40 47 95 94 89 88 95 105 82 97 84 57 71 101 90 89 106 113 105 112 108 47 76 91 81 85.54 113.25 31.00
6 59 73 72 61 79 74 86 72 70 55 67 79 103 94 110 82 57 62 62 84 90 55 64 84 101 122 132 88 109 106 ~ 81.76 131.56 30.00
7 61 70 67 74 97 116 90 66 60 92 53 81 51 87 76 42 46 72 57 57 67 90 83 51 73 87 106 110 89 118 124 77.87 123.90 31.00
8 79 97 87 54 60 68 63 62 66 53 61 86 77 111 118 110 98 101 95 81 52 63 83 105 130 124 83 59 58 79 57 81.21 129.87 31.00
9 64 57 79 52 29 49 43 55 56 42 55 ~ 47 46 48 40 39 42 ~ 65 59 64 56 23 22 24 47 33 58 41 ~ 47.65 78.80 28.00
10 53 68 60 40 50 57 ~ 41 71 50 54 66 74 65 44 19 37 41 41 53 35 33 31 21 35 36 32 38 40 54 56 46.44 74.28 30.00
11 52 34 30 34 40 39 39 60 40 51 44 32 40 33 35 19 35 31 22 24 23 46 50 49 41 4.75 9 35 31 34 ~ 35.28 59.69 30.00
12 39 35 30 17 31 11 29 43 55 26 4.37 40 30 24 14 48 25 21 28 54 53 52 58 67 61 57 62 60 61 60 48 40.02 66.50 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. 48 42 0 0 0 0 0 0 90 42 0 0 0 0 0 0 87
REL. 53.3 46.6 0.0 0.0 0.0 0.0 0.0 0.0 100.0 46.7 0.0 0.0 0.0 0.0 0.0 0.028.2
ID 53 46 0 0 0 0 0 0 100
ABS. 4 73 9 0 0 0 0 0 86 82 9 0 0 0 0 0 132
REL. 4.6 84.8 10.4 0.0 0.0 0.0 0.0 0.0 100.0 95.3 10.5 0.0 0.0 0.0 0.0 0.0 27.6
ID 4 84 10 0 0 0 0 0 100
ABS. 24 57 9 0 0 0 0 0 90 66 9 0 0 0 0 0 130
REL. 26.6 63.3 10.0 0.0 0.0 0.0 0.0 0.0100.0 73.3 10.0 0.0 0.0 0.0 0.0 0.0 25.8
ID 26 63 10 0 0 0 0 0 100
ABS. 70 21 0 0 0 0 0 0 91 21 0 0 0 0 0 0 74
REL 76.9 23.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 23.1 0.0 0.0 0.0 0.0 0.0 0.013.10
ID 76 23 0 0 0 0 0 0 100
Year
ABS. 146 193 18 0 0 0 0 0 357 211 18 0 0 0 0 0 132
REL. 40.8 54.0 5.0 0.0 0.0 0.0 0.0 0.0100.0 59.1 5.0 0.0 0.0 0.0 0.0 0.0 27.6
ID 40 54 5 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