Detailed overview of ambient air pollution valuis from individual stations


Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1408 - Sabina
Code:CZSOOZSAB
Institution:Org. for the Rational. of Power Plants
Region:Zapadocesky
District:Sokolov
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ ~ ~ ~ 93 24 15 33 30 64 27 30 17 14 24 93 148 139 132 160 141 127 74 35 20 27 42 29 24 42 61.73 160.36 26.00
2 79 81 89 43 14 13 14 32 71 101 136 ~ ~ ~ 66 42 27 48 56 41 26 24 26 30 45 80 70 33 ~ ~ ~ 51.45 135.96 25.00
3 24 27 29 82 39 27 54 50 59 51 43 58 73 64 47 45 49 79 59 15 24 24 37 50 116 73 62 22 ~ ~ ~ 49.40 115.54 28.00
4 96 78 47 22 39 39 29 25 40 33 26 20 18 14 20 22 14 42 35 52 ~ ~ ~ ~ ~ ~ ~ 43 63 60 ~ 37.97 95.78 23.00
5 35 42 60 50 39 36 53 50 61 51 31 29 54 22 10 0.00 0.00 14 0.00 ~ 55 ~ ~ ~ ~ ~ 0.00 0.54 23 41 49 32.27 60.99 25.00
6 32 35 37 10 5.57 4.80 29 22 32 29 14 13 34 24 21 21 19 1.22 0.69 2.12 3.53 6.00 20 29 28 18 16 11 31 30 ~ 19.27 36.56 30.00
7 56 39 51 99 95 40 28 18 50 57 54 61 49 33 27 20 21 61 49 43 47 16 14 11 51 39 56 51 56 52 31 44.38 98.63 31.00
8 49 88 85 61 52 37 21 65 69 41 29 33 32 22 11 15 28 24 18 17 8.75 42 66 65 61 62 33 29 52 57 37 42.18 87.63 31.00
9 32 37 54 30 23 58 46 79 79 89 37 68 84 91 110 64 78 54 47 72 63 75 95 70 60 25 43 36 25 23 ~ 58.25 109.66 30.00
10 13 13 8.42 30 36 23 36 46 18 14 21 58 81 46 59 51 66 57 49 63 48 43 51 48 59 34 39 77 100 77 40 45.29 100.42 31.00
11 137 91 7.79 57 96 ~ 26 36 61 89 86 71 39 28 86 61 71 42 ~ ~ ~ ~ ~ 134 124 119 85 95 190 117 ~ 81.24 190.33 24.00
12 43 35 26 18 16 30 32 31 43 35 17 10 23 35 47 31 50 26 31 43 67 83 103 87 51 18 31 54 42 39 41 39.91 102.79 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 26 13 8 1 0 0 0 79 48 22 9 1 0 0 0 160
REL. 39.2 32.9 16.4 10.1 1.2 0.0 0.0 0.0 100.0 60.8 27.8 11.4 1.3 0.0 0.0 0.021.1
ID 39 32 16 20 6 0 0 0 115
ABS. 49 27 2 0 0 0 0 0 78 29 2 0 0 0 0 0 96
REL. 62.8 34.6 2.5 0.0 0.0 0.0 0.0 0.0 100.0 37.2 2.6 0.0 0.0 0.0 0.0 0.0 1.4
ID 62 34 2 0 0 0 0 0 100
ABS. 30 45 16 1 0 0 0 0 92 62 17 1 0 0 0 0 110
REL. 32.6 48.9 17.3 1.0 0.0 0.0 0.0 0.0100.0 67.4 18.5 1.1 0.0 0.0 0.0 0.0 15.9
ID 32 48 17 2 0 0 0 0 101
ABS. 25 38 15 7 1 0 0 0 86 61 23 8 1 0 0 0 190
REL 29.0 44.1 17.4 8.1 1.1 0.0 0.0 0.0100.0 70.9 26.7 9.3 1.2 0.0 0.0 0.029.11
ID 29 44 17 16 5 0 0 0 112
Year
ABS. 135 136 46 16 2 0 0 0 335 200 64 18 2 0 0 0 190
REL. 40.2 40.5 13.7 4.7 0.5 0.0 0.0 0.0100.0 59.7 19.1 5.4 0.6 0.0 0.0 0.029.11
ID 40 40 13 9 2 0 0 0 107

Note:

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