Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1199 - Sokolov
Code:CZSOHSSOK
Institution:Public Health Service
Region:Karlovarsky
District:Sokolov
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 29 55 109 122 132 86 130 80 58 72 66 75 57 85 39 44 58 64 46 24 36 41 58 28 30 20 21 22 29 59 44 58.63 132.16 31.00
2 32 80 58 75 108 43 49 33 21 18 23 22 40 35 36 33 74 64 31 27 34 34 20 21 48 24 28 27 ~ ~ ~ 40.68 108.22 28.00
3 36 33 24 55 79 48 26 50 35 36 87 64 81 34 42 28 26 45 32 38 31 23 17 18 27 39 44 44 50 49 36 41.20 87.49 31.00
4 43 44 31 39 48 25 27 41 42 36 39 37 34 22 32 41 51 48 39 36 32 52 36 29 38 28 18 21 25 29 ~ 35.46 51.53 30.00
5 25 36 33 25 19 43 36 23 31 32 20 23 35 24 26 34 32 23 17 31 30 28 32 29 19 21 36 ~ 20 27 21 27.69 42.71 30.00
6 16 19 27 25 19 23 29 18 19 20 22 31 19 25 21 18 ~ 27 30 23 23 18 16 33 24 28 24 19 18 23 ~ 22.73 32.59 29.00
7 25 28 ~ 21 23 21 20 27 26 24 27 27 21 19 23 30 27 22 22 20 19 22 23 23 25 28 22 25 33 34 38 24.85 37.63 30.00
8 25 29 22 25 ~ 30 28 27 31 24 22 24 22 31 35 38 29 29 35 35 34 37 35 28 36 33 34 33 35 43 24 30.44 43.20 30.00
9 25 41 ~ 37 44 37 32 31 49 40 45 46 50 23 20 36 31 39 46 45 32 25 36 25 36 34 33 31 41 60 ~ 36.88 60.19 29.00
10 50 73 45 34 23 19 30 31 35 36 39 39 32 54 36 38 26 30 21 36 75 84 25 45 70 16 16 22 52 69 55 40.56 84.45 31.00
11 60 28 30 39 33 51 48 40 19 33 45 98 120 71 119 61 37 79 51 41 42 48 50 35 49 76 65 54 55 41 ~ 53.95 119.64 30.00
12 37 81 64 108 69 58 41 34 45 48 56 50 ~ 40 26 69 94 29 53 80 54 49 60 26 23 22 33 44 19 21 22 48.51 107.62 30.00

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. 33 41 11 5 0 0 0 0 90 57 16 5 0 0 0 0 132
REL. 36.6 45.5 12.2 5.5 0.0 0.0 0.0 0.0 100.0 63.3 17.8 5.6 0.0 0.0 0.0 0.05.1
ID 36 45 12 11 0 0 0 0 105
ABS. 64 25 0 0 0 0 0 0 89 25 0 0 0 0 0 0 52
REL. 71.9 28.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 28.1 0.0 0.0 0.0 0.0 0.0 0.0 22.4
ID 71 28 0 0 0 0 0 0 100
ABS. 57 32 0 0 0 0 0 0 89 32 0 0 0 0 0 0 60
REL. 64.0 35.9 0.0 0.0 0.0 0.0 0.0 0.0100.0 36.0 0.0 0.0 0.0 0.0 0.0 0.0 30.9
ID 64 35 0 0 0 0 0 0 100
ABS. 25 49 14 3 0 0 0 0 91 66 17 3 0 0 0 0 120
REL 27.4 53.8 15.3 3.2 0.0 0.0 0.0 0.0100.0 72.5 18.7 3.3 0.0 0.0 0.0 0.013.11
ID 27 53 15 6 0 0 0 0 103
Year
ABS. 179 147 25 8 0 0 0 0 359 180 33 8 0 0 0 0 132
REL. 49.8 40.9 6.9 2.2 0.0 0.0 0.0 0.0100.0 50.1 9.2 2.2 0.0 0.0 0.0 0.0 5.1
ID 49 40 6 4 0 0 0 0 102

Note:

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