Detailed overview of ambient air pollution valuis from individual stations


Year: 1999
Pollutant:O3-ozone
Station:1105 - Plzen-Doubravka
Code:CZPMCMDOU
Institution:Czech Hydrometeorological Institute
Region:Zapadocesky
District:Plzen-mesto
IHd: 160
Measure method:UV-absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 40 27 42 43 18 10 37 42 33 42 27 40 38 46 49 33 32 17 7.48 8.40 11 6.24 16 24 40 45 48 44 58 48 38 32.54 58.07 31.00
2 28 14 6.99 29 73 70 60 51 34 37 55 70 68 53 42 53 81 55 24 ~ ~ 66 63 56 55 31 45 43 ~ ~ ~ 48.68 81.17 26.00
3 58 45 47 39 44 42 42 50 50 40 51 61 68 59 69 67 48 47 47 69 65 59 45 32 44 50 70 40 44 41 95 52.49 94.64 31.00
4 ~ 89 66 58 38 57 61 44 48 70 61 81 74 69 74 57 69 66 83 73 41 59 79 74 73 63 55 44 75 68 ~ 64.53 89.40 29.00
5 89 68 87 90 85 87 67 38 55 72 60 76 57 56 74 66 91 93 86 92 53 64 68 62 70 84 103 103 84 90 76 75.64 102.66 31.00
6 98 86 66 53 68 67 52 43 71 92 41 68 78 61 80 63 62 49 31 72 48 52 54 57 84 106 68 49 60 60 ~ 64.58 106.35 30.00
7 48 64 71 100 115 78 64 31 46 69 55 40 81 74 64 52 86 78 76 80 76 70 34 46 71 83 68 88 85 82 87 69.75 115.33 31.00
8 88 98 105 103 47 84 54 64 56 45 45 52 51 84 58 42 41 53 55 60 64 59 68 77 108 77 58 44 44 55 39 63.77 107.80 31.00
9 42 41 60 71 63 61 54 72 79 96 86 79 90 82 90 53 78 ~ ~ ~ 24 44 25 31 13 37 37 34 48 48 ~ 56.96 96.02 27.00
10 56 51 53 35 23 32 35 42 46 37 29 37 35 32 29 26 25 38 48 47 29 28 14 29 22 33 25 26 27 17 27 33.37 55.80 31.00
11 11 23 23 22 10 20 20 15 8.31 15 7.22 16 26 31 33 28 15 27 28 24 19 16 6.72 4.56 6.08 12 21 23 11 15 ~ 17.90 32.99 30.00
12 28 46 49 56 44 42 43 45 25 25 49 58 47 39 27 ~ 35 29 ~ 32 21 26 19 ~ ~ ~ 48 33 25 33 34 36.69 57.82 26.00

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. 63 25 0 0 0 0 0 0 88 25 0 0 0 0 0 0 95
REL. 71.5 28.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 28.4 0.0 0.0 0.0 0.0 0.0 0.031.3
ID 71 28 0 0 0 0 0 0 100
ABS. 15 75 0 0 0 0 0 0 90 75 0 0 0 0 0 0 106
REL. 16.6 83.3 0.0 0.0 0.0 0.0 0.0 0.0 100.0 83.3 0.0 0.0 0.0 0.0 0.0 0.0 26.6
ID 16 83 0 0 0 0 0 0 100
ABS. 31 56 2 0 0 0 0 0 89 58 2 0 0 0 0 0 115
REL. 34.8 62.9 2.2 0.0 0.0 0.0 0.0 0.0100.0 65.2 2.2 0.0 0.0 0.0 0.0 0.0 5.7
ID 34 62 2 0 0 0 0 0 100
ABS. 84 3 0 0 0 0 0 0 87 3 0 0 0 0 0 0 58
REL 96.5 3.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 3.4 0.0 0.0 0.0 0.0 0.0 0.012.12
ID 96 3 0 0 0 0 0 0 100
Year
ABS. 193 159 2 0 0 0 0 0 354 161 2 0 0 0 0 0 115
REL. 54.5 44.9 0.5 0.0 0.0 0.0 0.0 0.0100.0 45.5 0.6 0.0 0.0 0.0 0.0 0.0 5.7
ID 54 44 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