Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:O3-ozone
Station:1105 - Plzen-Doubravka
Code:CZPMCMDOU
Institution:CHMI
Region:Zapadocesky
District:Plzen-mesto
IHd: 160
Measure method:UV-absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 16 21 62 60 62 52 37 50 32 15 3.69 4.28 4.10 5.13 12 28 46 40 39 36 41 23 27 22 32 33 20 15 11 30 52 30.02 62.25 31.00
2 54 32 23 31 25 14 31 39 30 28 49 52 35 42 46 46 37 17 42 31 22 30 28 8.89 6.97 22 37 60 ~ ~ ~ 32.76 59.63 28.00
3 60 54 54 61 60 57 63 67 55 53 72 54 61 66 50 38 32 40 66 64 65 57 76 73 66 73 52 56 77 80 55 59.82 79.61 31.00
4 57 58 56 82 54 47 74 61 78 79 78 60 59 67 70 66 62 54 42 66 57 88 93 56 64 95 94 38 90 97 ~ 68.01 97.45 30.00
5 90 67 42 ~ ~ 63 57 80 96 111 109 114 99 104 82 79 76 78 90 82 ~ ~ 63 63 58 64 85 102 97 77 100 82.60 114.25 27.00
6 64 93 68 99 121 93 88 52 78 83 52 65 53 67 69 82 66 51 42 54 76 84 80 42 66 86 85 52 67 85 ~ 72.15 121.26 30.00
7 61 66 99 72 62 51 35 48 59 52 71 42 68 62 62 57 55 53 62 76 97 62 88 58 59 67 72 78 46 48 64 62.98 98.53 31.00
8 87 88 48 90 59 58 85 82 88 83 110 109 52 68 73 95 98 114 85 109 79 68 65 57 59 86 57 59 37 60 36 75.49 113.90 31.00
9 65 67 51 67 54 45 55 27 46 69 41 58 42 56 42 50 37 34 42 58 54 54 59 50 28 33 24 29 19 45 ~ 46.72 69.34 30.00
10 21 14 48 ~ 15 13 12 24 12 53 49 51 36 22 14 15 54 38 21 35 33 30 45 61 67 52 47 62 59 50 52 36.81 67.14 30.00
11 50 37 60 45 38 33 24 12 ~ 13 33 19 16 34 17 30 36 25 29 53 42 35 23 17 19 9 9 12 39 ~ ~ 28.97 60.20 28.00
12 ~ 18 17 13 48 58 53 32 13 11 10 16 57 17 10 35 10 7.87 41 37 29 17 20 13 44 54 56 21 18 45 51 29.12 58.30 30.00

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 30 0 0 0 0 0 0 90 30 0 0 0 0 0 0 80
REL. 66.6 33.3 0.0 0.0 0.0 0.0 0.0 0.0 100.0 33.3 0.0 0.0 0.0 0.0 0.0 0.030.3
ID 66 33 0 0 0 0 0 0 100
ABS. 11 72 4 0 0 0 0 0 87 76 4 0 0 0 0 0 121
REL. 12.6 82.7 4.5 0.0 0.0 0.0 0.0 0.0 100.0 87.4 4.6 0.0 0.0 0.0 0.0 0.0 5.6
ID 12 82 4 0 0 0 0 0 100
ABS. 29 59 4 0 0 0 0 0 92 63 4 0 0 0 0 0 114
REL. 31.5 64.1 4.3 0.0 0.0 0.0 0.0 0.0100.0 68.5 4.3 0.0 0.0 0.0 0.0 0.0 18.8
ID 31 64 4 0 0 0 0 0 100
ABS. 78 10 0 0 0 0 0 0 88 10 0 0 0 0 0 0 67
REL 88.6 11.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 11.4 0.0 0.0 0.0 0.0 0.0 0.025.10
ID 88 11 0 0 0 0 0 0 100
Year
ABS. 178 171 8 0 0 0 0 0 357 179 8 0 0 0 0 0 121
REL. 49.8 47.8 2.2 0.0 0.0 0.0 0.0 0.0100.0 50.1 2.2 0.0 0.0 0.0 0.0 0.0 5.6
ID 49 47 2 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