Detailed overview of ambient air pollution valuis from individual stations


Year: 1999
Pollutant:O3-ozone
Station:1324 - Plzen-Lochotin
Code:CZPMPZPLL
Institution:Mun. Authority of the town Plzen
Region:Zapadocesky
District:Plzen-mesto
IHd: 160
Measure method:UV-absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 35 17 38 46 21 14 44 47 31 40 23 40 43 52 54 47 ~ 12 5.24 4.22 6.07 6.15 12 27 46 43 47 40 54 54 36 32.85 54.28 30.00
2 31 16 10 37 75 72 62 52 28 37 51 66 62 44 52 64 79 59 30 36 64 70 66 60 58 40 54 47 ~ ~ ~ 50.77 78.84 28.00
3 68 49 47 36 47 37 48 45 45 41 49 60 67 60 68 64 44 48 51 68 64 59 48 27 31 42 70 39 44 44 79 51.21 78.52 31.00
4 90 83 55 58 43 62 65 42 52 78 63 83 74 71 74 53 ~ ~ 83 69 44 57 81 72 79 66 57 44 80 72 ~ 66.04 90.39 28.00
5 98 73 92 90 83 85 67 41 ~ 81 62 77 53 54 77 71 93 94 86 97 56 68 70 62 71 89 111 107 91 95 77 79.03 110.70 30.00
6 102 82 65 53 72 71 54 45 75 97 46 73 83 65 85 73 64 49 31 74 53 52 62 62 92 110 71 49 56 63 ~ 67.55 109.64 30.00
7 46 ~ ~ ~ ~ ~ 64 35 49 75 63 42 82 ~ 63 55 79 80 77 85 78 71 39 47 68 82 73 91 87 83 86 67.93 91.10 25.00
8 84 99 108 101 55 91 51 71 54 50 44 50 53 82 59 41 38 52 57 ~ ~ ~ ~ ~ 108 72 63 53 52 59 42 65.06 107.90 26.00
9 44 42 65 74 63 63 54 71 68 102 95 77 93 82 85 50 76 73 63 60 22 41 22 28 6.23 32 35 30 42 44 ~ 56.77 101.53 30.00
10 52 51 51 34 25 32 31 41 45 38 27 33 29 30 26 23 18 36 45 43 24 22 11 26 19 38 29 29 26 16 29 31.61 52.08 31.00
11 9 25 19 21 5.34 19 20 12 5.36 12 5.96 14 24 33 29 25 16 32 24 20 17 15 4.73 2.64 4.68 13 22 18 7.71 16 ~ 16.47 32.93 30.00
12 35 45 53 60 51 45 50 44 31 25 46 60 48 43 28 38 35 39 46 34 19 18 12 36 42 ~ 46 35 29 35 ~ 38.94 60.28 29.00

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. 61 28 0 0 0 0 0 0 89 28 0 0 0 0 0 0 79
REL. 68.5 31.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 31.5 0.0 0.0 0.0 0.0 0.0 0.017.2
ID 68 31 0 0 0 0 0 0 100
ABS. 14 71 3 0 0 0 0 0 88 74 3 0 0 0 0 0 111
REL. 15.9 80.6 3.4 0.0 0.0 0.0 0.0 0.0 100.0 84.1 3.4 0.0 0.0 0.0 0.0 0.0 27.5
ID 15 80 3 0 0 0 0 0 100
ABS. 29 50 2 0 0 0 0 0 81 52 2 0 0 0 0 0 108
REL. 35.8 61.7 2.4 0.0 0.0 0.0 0.0 0.0100.0 64.2 2.5 0.0 0.0 0.0 0.0 0.0 25.8
ID 35 61 2 0 0 0 0 0 100
ABS. 88 2 0 0 0 0 0 0 90 2 0 0 0 0 0 0 60
REL 97.7 2.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 2.2 0.0 0.0 0.0 0.0 0.0 0.0 4.12
ID 97 2 0 0 0 0 0 0 100
Year
ABS. 192 151 5 0 0 0 0 0 348 156 5 0 0 0 0 0 111
REL. 55.1 43.3 1.4 0.0 0.0 0.0 0.0 0.0100.0 44.8 1.4 0.0 0.0 0.0 0.0 0.0 27.5
ID 55 43 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