Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:O3-ozone
Station:1324 - Plzen-Lochotin
Code:CZPMPZPLL
Institution:Plzeň Municipal Authority
Region:Zapadocesky
District:Plzen-mesto
IHd: 160
Measure method:UV-absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 3.69 8.51 34 34 43 26 18 28 8.68 4.42 2.09 2.07 1.68 2.26 4.00 8.40 20 13 19 15 22 10 10 12 24 24 15 17 7.03 28 26 15.77 43.24 31.00
2 29 18 12 7.66 8.00 4.38 10 16 14 14 33 54 34 36 48 48 37 ~ 39 22 14 23 26 10 ~ 23 41 61 ~ ~ ~ 26.25 61.35 26.00
3 59 59 59 66 63 54 67 62 55 59 ~ ~ 58 58 42 35 29 37 63 61 58 50 71 66 60 61 48 49 69 65 50 56.21 71.15 29.00
4 57 54 46 77 50 40 64 60 65 69 71 56 49 52 61 57 53 47 42 55 50 78 76 54 52 80 77 28 72 83 ~ 59.22 82.71 30.00
5 76 50 45 ~ ~ 56 42 60 91 102 93 94 91 95 75 75 69 67 80 75 59 69 60 58 50 67 84 101 79 66 87 73.00 102.23 29.00
6 54 89 68 103 120 93 88 55 79 81 57 64 53 70 69 82 69 54 46 54 85 93 84 40 63 92 84 62 69 85 ~ 73.47 119.62 30.00
7 62 77 97 71 63 52 37 48 58 56 71 41 68 68 65 61 57 57 65 103 ~ 68 88 61 69 77 70 78 45 52 63 64.97 103.34 30.00
8 90 89 52 88 62 63 93 84 90 79 109 109 57 71 72 101 86 119 88 114 83 68 63 58 57 89 57 58 41 63 33 76.91 119.13 31.00
9 67 71 54 67 56 45 56 23 40 64 39 58 41 62 48 53 40 35 44 62 54 52 60 55 25 34 19 31 17 45 ~ 47.24 71.31 30.00
10 20 13 17 38 15 13 12 22 11 57 50 52 39 25 17 12 52 38 22 36 41 ~ 43 56 71 54 54 67 61 57 49 37.17 70.67 30.00
11 52 37 61 46 40 39 21 16 13 24 38 14 10 28 20 27 34 28 28 49 40 34 22 19 14 7.22 6.68 9 35 20 ~ 27.68 61.09 30.00
12 30 16 15 11 56 63 56 39 16 11 9 20 62 23 14 38 14 7.99 48 46 38 19 15 16 45 54 56 13 18 39 44 30.69 62.82 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. 63 23 0 0 0 0 0 0 86 23 0 0 0 0 0 0 71
REL. 73.2 26.7 0.0 0.0 0.0 0.0 0.0 0.0 100.0 26.7 0.0 0.0 0.0 0.0 0.0 0.023.3
ID 73 26 0 0 0 0 0 0 100
ABS. 16 72 1 0 0 0 0 0 89 73 1 0 0 0 0 0 120
REL. 17.9 80.8 1.1 0.0 0.0 0.0 0.0 0.0 100.0 82.0 1.1 0.0 0.0 0.0 0.0 0.0 5.6
ID 17 80 1 0 0 0 0 0 100
ABS. 26 61 4 0 0 0 0 0 91 65 4 0 0 0 0 0 119
REL. 28.5 67.0 4.3 0.0 0.0 0.0 0.0 0.0100.0 71.4 4.4 0.0 0.0 0.0 0.0 0.0 18.8
ID 28 67 4 0 0 0 0 0 100
ABS. 76 15 0 0 0 0 0 0 91 15 0 0 0 0 0 0 71
REL 83.5 16.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 16.5 0.0 0.0 0.0 0.0 0.0 0.025.10
ID 83 16 0 0 0 0 0 0 100
Year
ABS. 181 171 5 0 0 0 0 0 357 176 5 0 0 0 0 0 120
REL. 50.7 47.8 1.4 0.0 0.0 0.0 0.0 0.0100.0 49.3 1.4 0.0 0.0 0.0 0.0 0.0 5.6
ID 50 47 1 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