Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 808 - Klatovy soud
Code:CZKTHSKLS
Institution:Public Health Service
Region:Zapadocesky
District:Klatovy
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 25 30 58 33 73 136 38 33 29 25 39 41 40 28 29 66 70 61 86 45 ~ 92 61 75 43 39 42 51 29 42 54 50.36 136.15 30.00
2 45 73 57 32 23 20 19 36 84 89 52 32 34 39 58 28 21 33 38 50 19 21 25 37 32 62 59 37 ~ ~ ~ 41.19 88.59 28.00
3 22 19 48 82 30 37 34 39 33 41 43 51 38 43 50 31 35 65 61 17 27 30 27 71 68 93 49 27 37 67 71 44.67 92.99 31.00
4 87 71 31 21 29 72 27 26 32 21 22 21 23 31 60 33 17 25 40 46 64 41 56 23 27 33 36 29 31 33 ~ 36.88 87.47 30.00
5 20 26 37 26 17 24 31 23 29 45 33 25 29 30 15 25 24 14 18 32 21 19 21 36 31 31 33 26 15 14 ~ 25.61 45.10 30.00
6 17 23 19 21 14 12 16 27 25 21 34 16 14 21 31 20 24 22 17 19 36 22 27 36 31 16 19 32 30 37 ~ 23.20 36.66 30.00
7 29 34 17 12 12 12 22 35 23 12 13 20 29 25 25 24 16 23 30 36 30 28 25 17 21 25 18 25 ~ 33 22 23.05 36.41 30.00
8 25 37 36 39 50 42 21 20 39 28 26 29 30 23 13 27 27 39 27 36 19 16 31 45 38 29 40 22 21 27 42 30.32 50.15 31.00
9 31 37 27 15 18 43 39 64 63 66 28 30 76 69 80 68 42 26 20 31 40 60 60 53 41 24 70 60 26 28 ~ 44.52 80.06 30.00
10 22 38 25 36 43 37 40 54 15 15 31 54 56 59 56 36 33 42 21 29 26 29 36 32 53 81 36 45 118 64 33 41.78 118.38 31.00
11 141 103 53 37 ~ ~ ~ 49 48 42 40 37 25 23 34 39 44 37 75 43 39 57 65 111 46 169 40 107 73 74 ~ 61.11 168.77 27.00
12 37 24 24 15 17 26 25 60 194 102 45 10 25 24 39 45 29 21 29 43 69 112 95 37 24 17 24 29 37 32 55 44.00 194.37 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- 33 34- 67 68- 100 101- 150 151- 200 201- 300 301- 400 over 400 33 67 100 150 200 300 400
ABS. 31 44 13 1 0 0 0 0 89 58 14 1 0 0 0 0 136
REL. 34.8 49.4 14.6 1.1 0.0 0.0 0.0 0.0 100.0 65.2 15.7 1.1 0.0 0.0 0.0 0.06.1
ID 34 49 14 2 0 0 0 0 101
ABS. 73 14 3 0 0 0 0 0 90 17 3 0 0 0 0 0 87
REL. 81.1 15.5 3.3 0.0 0.0 0.0 0.0 0.0 100.0 18.9 3.3 0.0 0.0 0.0 0.0 0.0 1.4
ID 81 15 3 0 0 0 0 0 100
ABS. 58 28 5 0 0 0 0 0 91 33 5 0 0 0 0 0 80
REL. 63.7 30.7 5.4 0.0 0.0 0.0 0.0 0.0100.0 36.3 5.5 0.0 0.0 0.0 0.0 0.0 15.9
ID 63 30 5 0 0 0 0 0 100
ABS. 31 43 6 7 2 0 0 0 89 58 15 9 2 0 0 0 194
REL 34.8 48.3 6.7 7.8 2.2 0.0 0.0 0.0100.0 65.2 16.9 10.1 2.2 0.0 0.0 0.0 9.12
ID 34 48 6 15 11 0 0 0 116
Year
ABS. 193 129 27 8 2 0 0 0 359 166 37 10 2 0 0 0 194
REL. 53.7 35.9 7.5 2.2 0.5 0.0 0.0 0.0100.0 46.2 10.3 2.8 0.6 0.0 0.0 0.0 9.12
ID 53 35 7 4 2 0 0 0 104

Note:

1 frequency < 60 per quarter, or < 240 per annum
2 frequency < 30 per quarter, or < 120 per annum