Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1065 - Bohumin
Code:CZKACMBOH
Institution:Czech Hydrometeorological Institute
Region:Moravskoslezsky
District:Karvina
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 26 6.72 57 156 87 66 97 37 65 49 34 42 55 54 32 39 37 28 40 33 47 38 46 49 27 23 31 24 31 41 54 46.83 156.47 31.00
2 41 32 79 47 55 57 70 38 21 21 18 18 34 47 107 119 41 50 39 24 15 20 14 13 44 22 20 22 ~ ~ ~ 40.33 118.70 28.00
3 22 29 22 55 83 47 21 33 23 34 39 54 48 31 31 35 43 56 31 38 30 6.23 8.37 8.00 13 20 24 45 74 57 34 35.33 83.38 31.00
4 26 33 25 23 20 17 33 53 41 36 48 52 47 29 37 46 36 36 23 19 14 32 13 21 28 32 18 20 21 33 ~ 30.39 53.09 30.00
5 21 26 29 14 17 22 25 27 33 23 19 19 26 25 20 29 13 15 12 23 28 25 22 10 17 18 27 23 8.41 13 17 20.87 33.38 31.00
6 4.46 13 20 30 20 24 17 6.36 10 13 23 30 17 20 20 14 22 29 33 27 14 13 14 26 21 23 25 30 12 21 ~ 19.71 32.53 30.00
7 28 18 23 30 16 13 21 25 24 23 14 23 12 11 20 20 40 20 12 14 18 12 23 15 18 15 16 15 20 24 26 19.62 40.34 31.00
8 30 13 15 18 17 18 23 22 31 18 21 29 16 6.60 10 18 18 22 21 35 39 59 45 30 31 38 47 42 55 39 25 27.43 59.50 31.00
9 12 29 40 47 48 25 26 32 41 50 26 29 49 30 7.86 29 40 56 51 37 24 55 28 35 24 37 20 25 49 70 ~ 35.80 70.25 30.00
10 94 103 47 45 24 16 26 25 45 34 25 17 38 54 39 39 36 27 32 62 66 58 50 52 50 19 11 15 61 50 56 42.43 102.89 31.00
11 43 30 28 34 34 63 90 54 18 34 66 117 103 89 38 35 43 80 67 67 90 92 34 74 126 124 69 78 99 43 ~ 65.46 125.97 30.00
12 67 67 57 57 38 23 29 22 63 148 122 164 114 124 66 79 52 30 79 53 74 65 61 81 94 28 26 45 37 35 34 65.63 164.03 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. 39 42 6 2 1 0 0 0 90 51 9 3 1 0 0 0 156
REL. 43.3 46.6 6.6 2.2 1.1 0.0 0.0 0.0 100.0 56.7 10.0 3.3 1.1 0.0 0.0 0.04.1
ID 43 46 6 4 5 0 0 0 106
ABS. 80 11 0 0 0 0 0 0 91 11 0 0 0 0 0 0 53
REL. 87.9 12.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 12.1 0.0 0.0 0.0 0.0 0.0 0.0 8.4
ID 87 12 0 0 0 0 0 0 100
ABS. 67 24 1 0 0 0 0 0 92 25 1 0 0 0 0 0 70
REL. 72.8 26.0 1.0 0.0 0.0 0.0 0.0 0.0100.0 27.2 1.1 0.0 0.0 0.0 0.0 0.0 30.9
ID 72 26 1 0 0 0 0 0 100
ABS. 20 44 18 9 1 0 0 0 92 72 28 10 1 0 0 0 164
REL 21.7 47.8 19.5 9.7 1.0 0.0 0.0 0.0100.0 78.3 30.4 10.9 1.1 0.0 0.0 0.012.12
ID 21 47 19 19 5 0 0 0 114
Year
ABS. 206 121 25 11 2 0 0 0 365 159 38 13 2 0 0 0 164
REL. 56.4 33.1 6.8 3.0 0.5 0.0 0.0 0.0100.0 43.6 10.4 3.6 0.5 0.0 0.0 0.012.12
ID 56 33 6 6 2 0 0 0 105

Note:

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