Detailed overview of ambient air pollution valuis from individual stations

1065 - Bohumin

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1065 - Bohumin
Code:CZKACMBOH
Institution:CHMI
Region:Severomoravsky
District:Karvina
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 76 128 78 72 40 145 165 200 209 108 73 80 54 78 77 77 44 25 30 65 98 81 33 108 78 115 113 55 51 81 27 85.98 208.88 31.00
2 18 67 71 45 47 59 38 47 55 57 50 47 37 35 23 19 68 51 51 43 40 32 42 65 32 33 18 26 ~ ~ ~ 43.45 71.02 28.00
3 46 35 59 62 89 65 34 78 62 62 47 94 44 43 30 18 22 35 41 26 47 23 37 40 49 49 51 21 10 10 ~ 44.29 93.83 30.00
4 59 58 47 15 14 7.66 17 43 47 33 12 8.24 29 28 10 15 12 22 27 28 37 45 48 27 24 32 33 27 34 22 ~ 28.80 58.54 30.00
5 19 26 22 44 23 17 20 25 25 22 22 39 25 48 ~ 23 32 31 36 24 29 15 18 7.77 20 33 26 7.22 10 7.46 7.39 23.39 47.75 30.00
6 14 32 23 26 26 27 18 24 33 26 26 36 32 18 13 18 43 22 24 35 22 15 28 23 32 32 23 23 24 18 ~ 25.11 42.96 30.00
7 24 28 24 14 8.98 5.08 11 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 16.41 28.22 7.00
8 ~ ~ ~ ~ ~ ~ 30 31 25 23 34 39 42 46 34 16 16 27 22 27 57 41 34 30 38 26 32 43 ~ ~ ~ 32.41 56.55 22.00
9 34 33 36 53 44 24 38 34 10 12 44 40 21 40 68 66 41 52 37 34 56 86 45 42 31 28 31 ~ 50 56 ~ 40.92 85.50 29.00
10 34 ~ 21 36 49 91 52 66 43 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 75 90 71 23 17 16 15 64 68 102 71 52.89 102.42 19.00
11 87 53 30 53 78 28 ~ 30 35 101 97 36 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 95 96 105 68 74 76 114 ~ 69.74 113.80 18.00
12 109 45 52 25 30 49 37 53 50 44 50 64 13 17 30 41 93 149 71 136 96 142 82 48 31 28 43 63 72 70 40 60.40 149.35 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. 19 43 18 6 2 1 0 0 89 70 27 9 3 1 0 0 209
REL. 21.3 48.3 20.2 6.7 2.2 1.1 0.0 0.0 100.0 78.7 30.3 10.1 3.4 1.1 0.0 0.09.1
ID 21 48 20 13 11 28 0 0 142
ABS. 74 16 0 0 0 0 0 0 90 16 0 0 0 0 0 0 59
REL. 82.2 17.7 0.0 0.0 0.0 0.0 0.0 0.0 100.0 17.8 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 82 17 0 0 0 0 0 0 100
ABS. 27 29 2 0 0 0 0 0 581 31 2 0 0 0 0 0 86
REL. 46.5 50.0 3.4 0.0 0.0 0.0 0.0 0.0100.0 53.4 3.4 0.0 0.0 0.0 0.0 0.0 22.9
ID 46 50 3 0 0 0 0 0 100
ABS. 15 25 20 8 0 0 0 0 68 53 28 8 0 0 0 0 149
REL 22.0 36.7 29.4 11.7 0.0 0.0 0.0 0.0100.0 77.9 41.2 11.8 0.0 0.0 0.0 0.018.12
ID 22 36 29 23 0 0 0 0 111
Year
ABS. 135 113 40 14 2 1 0 0 305 170 57 17 3 1 0 0 209
REL. 44.2 37.0 13.1 4.5 0.6 0.3 0.0 0.0100.0 55.7 18.7 5.6 1.0 0.3 0.0 0.0 9.1
ID 44 37 13 9 3 8 0 0 115

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