Detailed overview of ambient air pollution valuis from individual stations

1199 - Sokolov

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1199 - Sokolov
Code:CZSOHSSOK
Institution:Public Health Service
Region:Zapadocesky
District:Sokolov
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 69 69 39 43 42 53 48 40 32 51 28 22 172 243 192 254 251 168 122 90 72 34 128 170 73 23 63 37 ~ 16 27 89.05 254.46 30.00
2 43 63 66 41 31 35 93 48 49 58 23 23 15 37 27 19 45 43 26 17 17 36 44 83 17 14 27 41 ~ ~ ~ 38.55 92.99 28.00
3 45 23 36 42 38 47 58 64 43 72 75 83 41 34 22 19 20 ~ 22 29 28 20 27 39 66 33 15 6.54 6.15 7.31 16 35.94 83.50 30.00
4 49 73 21 7.29 10 9 37 45 45 27 12 12 16 18 11 18 22 17 22 30 42 25 38 46 28 24 ~ 16 16 19 ~ 25.92 72.51 29.00
5 16 22 26 18 22 15 16 12 13 17 17 19 21 30 27 19 17 8.90 23 15 16 17 22 19 16 27 73 70 69 62 62 26.70 73.26 31.00
6 72 78 93 78 82 68 81 79 88 89 106 89 79 66 58 58 62 64 58 66 64 50 60 104 104 112 129 116 177 88 ~ 83.90 177.04 30.00
7 100 111 106 107 82 ~ 90 99 98 107 ~ ~ ~ ~ 106 96 108 98 90 82 108 101 48 26 27 20 21 36 40 54 34 76.64 111.01 26.00
8 27 28 37 42 41 38 39 41 31 28 31 35 46 39 28 25 28 61 41 37 42 45 36 27 36 35 33 27 23 30 35 35.15 60.98 31.00
9 45 37 46 44 46 24 17 23 21 35 49 51 24 41 74 70 83 63 47 41 43 73 71 59 70 95 39 55 86 49 ~ 50.71 95.08 30.00
10 48 20 28 23 50 85 83 40 20 22 17 16 29 40 39 73 71 67 97 60 64 92 54 23 21 21 72 70 133 63 48 51.16 133.21 31.00
11 65 43 41 44 62 76 135 80 42 81 92 49 58 96 36 56 64 38 38 57 90 84 78 48 35 66 75 78 98 55 ~ 65.31 135.39 30.00
12 46 50 56 42 43 37 37 74 105 31 33 35 18 38 39 42 32 27 57 44 72 104 76 25 12 10 17 21 32 66 103 45.95 105.38 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. 32 37 10 2 4 3 0 0 88 56 19 9 7 3 0 0 254
REL. 36.3 42.0 11.3 2.2 4.5 3.4 0.0 0.0 100.0 63.6 21.6 10.2 8.0 3.4 0.0 0.016.1
ID 36 42 11 4 22 85 0 0 202
ABS. 47 19 17 6 1 0 0 0 90 43 24 7 1 0 0 0 177
REL. 52.2 21.1 18.8 6.6 1.1 0.0 0.0 0.0 100.0 47.8 26.7 7.8 1.1 0.0 0.0 0.0 29.6
ID 52 21 18 13 5 0 0 0 111
ABS. 21 41 17 8 0 0 0 0 87 66 25 8 0 0 0 0 111
REL. 24.1 47.1 19.5 9.1 0.0 0.0 0.0 0.0100.0 75.9 28.7 9.2 0.0 0.0 0.0 0.0 2.7
ID 24 47 19 18 0 0 0 0 109
ABS. 22 42 23 5 0 0 0 0 92 70 28 5 0 0 0 0 135
REL 23.9 45.6 25.0 5.4 0.0 0.0 0.0 0.0100.0 76.1 30.4 5.4 0.0 0.0 0.0 0.0 7.11
ID 23 45 25 10 0 0 0 0 105
Year
ABS. 122 139 67 21 5 3 0 0 357 235 96 29 8 3 0 0 254
REL. 34.1 38.9 18.7 5.8 1.4 0.8 0.0 0.0100.0 65.8 26.9 8.1 2.2 0.8 0.0 0.0 16.1
ID 34 38 18 11 7 21 0 0 131

Note:

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

Detailed overview of ambient air pollution valuis from individual stations - selection station