Detailed overview of ambient air pollution valuis from individual stations


Year: 2001
Pollutant:O3-ozone
Station:1324 - Plzen-Lochotin
Code:CZPMPZPLL
Institution:Plzen City
Region:Plzensky
District:Plzen-mesto
IHd: 160
Measure method:UV-absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 24 17 14 14 26 49 32 16 17 6.40 21 21 34 21 23 27 40 24 28 24 21 26 11 8.60 19 15 50 32 12 12 39 23.39 50.26 31.00
2 40 37 30 42 55 31 11 6.67 22 33 25 22 46 28 15 15 39 54 51 54 44 61 62 55 53 36 48 60 ~ ~ ~ 38.37 62.37 28.00
3 45 60 46 56 52 69 51 52 31 54 59 43 67 62 22 16 16 65 73 70 43 31 41 45 65 63 63 62 53 30 49 50.13 73.42 31.00
4 50 67 46 75 61 50 66 58 50 37 62 81 74 73 62 59 46 63 64 73 64 54 73 69 85 66 50 53 73 79 ~ 62.69 85.31 30.00
5 85 90 77 82 54 49 45 54 90 76 81 70 71 92 70 79 63 50 54 80 82 81 89 97 83 90 104 47 73 86 86 75.17 104.48 31.00
6 56 65 67 59 55 51 64 58 61 40 55 62 84 62 76 68 45 61 59 62 77 55 60 63 81 106 111 66 54 84 ~ 65.58 110.87 30.00
7 58 69 73 71 89 115 83 55 50 74 46 73 40 49 61 34 31 37 26 49 51 69 68 65 74 72 100 96 61 61 99 64.52 115.00 31.00
8 73 85 66 41 50 55 39 42 45 46 51 55 57 99 105 98 86 83 40 52 51 37 73 60 65 74 71 59 58 61 16 61.02 104.65 31.00
9 40 50 64 35 36 42 42 55 51 40 46 29 35 28 34 35 26 24 38 40 42 33 52 23 23 20 19 29 26 17 ~ 35.68 63.54 30.00
10 34 31 32 24 20 21 8.83 24 27 28 29 18 11 32 15 11 26 24 23 37 17 19 14 6.06 13 20 15 21 35 29 37 22.58 37.00 31.00
11 45 21 13 15 15 28 33 55 28 31 18 4.99 21 20 11 10 6.13 23 4.56 18 14 39 45 17 4.24 8.57 15 22 24 14 ~ 20.76 55.06 30.00
12 28 24 24 4.23 19 15 29 37 22 8.68 3.60 33 28 22 7.44 41 22 23 15 40 50 47 53 56 60 50 56 60 49 58 45 33.14 59.96 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. 68 22 0 0 0 0 0 0 90 22 0 0 0 0 0 0 73
REL. 75.5 24.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 24.4 0.0 0.0 0.0 0.0 0.0 0.019.3
ID 75 24 0 0 0 0 0 0 100
ABS. 15 75 1 0 0 0 0 0 91 76 1 0 0 0 0 0 111
REL. 16.4 82.4 1.0 0.0 0.0 0.0 0.0 0.0 100.0 83.5 1.1 0.0 0.0 0.0 0.0 0.0 27.6
ID 16 82 1 0 0 0 0 0 100
ABS. 50 41 1 0 0 0 0 0 92 42 1 0 0 0 0 0 115
REL. 54.3 44.5 1.0 0.0 0.0 0.0 0.0 0.0100.0 45.7 1.1 0.0 0.0 0.0 0.0 0.0 6.7
ID 54 44 1 0 0 0 0 0 100
ABS. 86 6 0 0 0 0 0 0 92 6 0 0 0 0 0 0 60
REL 93.4 6.5 0.0 0.0 0.0 0.0 0.0 0.0100.0 6.5 0.0 0.0 0.0 0.0 0.0 0.025.12
ID 93 6 0 0 0 0 0 0 100
Year
ABS. 219 144 2 0 0 0 0 0 365 146 2 0 0 0 0 0 115
REL. 60.0 39.4 0.5 0.0 0.0 0.0 0.0 0.0100.0 40.0 0.5 0.0 0.0 0.0 0.0 0.0 6.7
ID 60 39 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