Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 517 - Karvina-OHS
Code:CZKAHSKOH
Institution:Public Health Service
Region:Severomoravsky
District:Karvina
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ 29 ~ ~ 24 28 33 29 35 ~ ~ 59 38 38 52 23 ~ ~ 18 22 19 31 19 ~ ~ 39 42 50 50 30 ~ 33.71 59.00 21.00
2 ~ 32 23 18 31 35 ~ ~ 24 22 31 44 31 ~ ~ 25 26 28 39 47 ~ ~ 40 44 41 40 24 ~ ~ ~ ~ 32.25 47.00 20.00
3 ~ 29 18 19 32 31 ~ ~ 27 33 19 19 11 ~ ~ 40 40 31 18 42 ~ ~ 65 34 30 33 28 ~ ~ 29 23 29.59 65.00 22.00
4 27 41 43 ~ ~ 29 31 15 42 13 ~ ~ ~ 51 21 28 23 ~ ~ 35 28 33 28 25 ~ ~ 38 36 31 29 ~ 30.81 51.00 21.00
5 ~ ~ ~ 20 25 23 23 ~ ~ ~ 44 48 34 33 33 ~ ~ 46 37 43 39 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 34.46 48.00 13.00
6 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 30 ~ ~ 39 19 35 35 45 ~ ~ 36 30 ~ 40 34 ~ ~ 55 60 ~ 38.17 60.00 12.00
7 ~ 57 44 ~ ~ ~ 49 44 45 66 ~ ~ 38 45 42 43 40 ~ ~ 59 50 55 28 62 ~ ~ 59 ~ ~ ~ ~ 48.59 66.00 17.00
8 ~ ~ 62 50 43 33 40 ~ ~ 66 35 ~ 32 22 ~ ~ 54 83 66 70 66 ~ ~ 72 ~ 55 39 41 ~ ~ 123 55.37 123.00 19.00
9 94 81 96 114 ~ ~ 154 180 201 136 89 ~ ~ 91 96 89 66 ~ ~ ~ ~ 57 84 104 78 ~ ~ 95 85 59 ~ 102.45 201.00 20.00
10 68 13 ~ ~ 42 43 56 63 54 ~ ~ 46 42 24 38 ~ ~ ~ 152 60 42 49 39 ~ ~ 52 31 ~ 68 23 ~ 50.25 152.00 20.00
11 ~ 41 36 42 34 25 ~ ~ 41 51 39 36 53 ~ ~ 39 43 40 44 52 ~ ~ 70 73 56 78 64 ~ ~ 27 ~ 46.86 78.00 21.00
12 39 ~ 60 80 ~ ~ 70 35 ~ 58 71 ~ ~ 185 92 207 77 33 ~ ~ 38 85 27 ~ ~ ~ ~ 61 66 ~ ~ 75.53 207.00 17.00

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. 41 22 0 0 0 0 0 0 63 22 0 0 0 0 0 0 65
REL. 65.0 34.9 0.0 0.0 0.0 0.0 0.0 0.0 100.0 34.9 0.0 0.0 0.0 0.0 0.0 0.023.3
ID 65 34 0 0 0 0 0 0 100
ABS. 23 23 0 0 0 0 0 0 461 23 0 0 0 0 0 0 60
REL. 50.0 50.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 50.0 0.0 0.0 0.0 0.0 0.0 0.0 30.6
ID 50 50 0 0 0 0 0 0 100
ABS. 4 31 14 4 2 1 0 0 561 52 21 7 3 1 0 0 201
REL. 7.1 55.3 25.0 7.1 3.5 1.7 0.0 0.0100.0 92.9 37.5 12.5 5.4 1.8 0.0 0.0 9.9
ID 7 55 25 14 17 44 0 0 164
ABS. 8 36 11 0 2 1 0 0 581 50 14 3 3 1 0 0 207
REL 13.7 62.0 18.9 0.0 3.4 1.7 0.0 0.0100.0 86.2 24.1 5.2 5.2 1.7 0.0 0.016.12
ID 13 62 18 0 17 43 0 0 155
Year
ABS. 76 112 25 4 4 2 0 0 2231 147 35 10 6 2 0 0 207
REL. 34.0 50.2 11.2 1.7 1.7 0.8 0.0 0.0100.0 65.9 15.7 4.5 2.7 0.9 0.0 0.016.12
ID 34 50 11 3 8 22 0 0 130

Note:

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