Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
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 ~ ~ ~ 61 87 68 52 40 ~ ~ 45 45 74 39 31 ~ ~ 92 40 48 50 24 ~ ~ 20 28 25 22 12 ~ ~ 45.15 92.00 20.00
2 24 13 14 21 ~ ~ ~ ~ ~ 17 22 65 ~ ~ 40 28 21 ~ ~ ~ ~ ~ ~ ~ 53 21 ~ ~ ~ ~ ~ 28.25 65.00 12.00
3 12 25 31 33 66 ~ ~ 23 33 33 24 90 ~ ~ 81 40 15 16 23 ~ ~ 37 31 42 41 39 ~ ~ 33 ~ 30 36.27 90.00 22.00
4 35 25 ~ ~ ~ 39 36 28 32 ~ ~ 44 47 48 45 36 ~ ~ 33 39 116 83 42 ~ ~ 42 ~ 134 47 38 ~ 49.45 134.00 20.00
5 ~ ~ 52 ~ 23 29 28 ~ ~ 36 35 27 29 22 ~ ~ 28 24 29 26 31 ~ ~ 25 34 46 35 32 ~ ~ 47 31.90 52.00 20.00
6 29 51 36 51 ~ ~ 63 36 24 26 36 ~ ~ 31 29 29 32 30 ~ ~ 25 19 21 29 ~ ~ ~ 35 40 30 ~ 33.43 63.00 21.00
7 41 26 ~ ~ ~ ~ 33 21 17 ~ ~ 31 32 26 27 26 ~ ~ 35 30 36 38 ~ ~ ~ 49 33 29 28 28 ~ 30.84 49.00 19.00
8 ~ 42 37 102 76 ~ ~ ~ 35 33 32 31 23 ~ ~ 23 29 32 84 32 ~ ~ 31 39 34 32 ~ ~ ~ 86 36 43.45 102.00 20.00
9 29 31 58 ~ ~ 106 ~ 52 19 ~ ~ ~ 151 ~ 32 28 29 ~ ~ 28 47 24 27 17 ~ ~ 15 ~ ~ ~ ~ 43.31 151.00 16.00
10 ~ ~ ~ 32 17 20 ~ 64 ~ ~ 23 26 15 15 15 ~ ~ 26 ~ 12 9.00 13 ~ ~ 11 18 23 ~ 26 ~ ~ 21.47 64.00 17.00
11 44 37 ~ 30 96 ~ ~ 34 24 29 28 ~ ~ ~ 32 33 11 74 ~ ~ ~ 86 39 55 53 ~ ~ ~ 97 23 ~ 45.83 97.00 18.00
12 30 25 33 ~ ~ 31 20 30 37 35 ~ ~ 40 26 71 47 21 ~ ~ 54 51 34 ~ ~ ~ ~ 57 46 ~ ~ ~ 38.22 71.00 18.00

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. 30 18 6 0 0 0 0 0 541 24 6 0 0 0 0 0 92
REL. 55.5 33.3 11.1 0.0 0.0 0.0 0.0 0.0 100.0 44.4 11.1 0.0 0.0 0.0 0.0 0.018.1
ID 55 33 11 0 0 0 0 0 100
ABS. 30 28 1 2 0 0 0 0 61 31 3 2 0 0 0 0 134
REL. 49.1 45.9 1.6 3.2 0.0 0.0 0.0 0.0 100.0 50.8 4.9 3.3 0.0 0.0 0.0 0.0 28.4
ID 49 45 1 6 0 0 0 0 103
ABS. 35 14 3 2 1 0 0 0 551 20 6 3 1 0 0 0 151
REL. 63.6 25.4 5.4 3.6 1.8 0.0 0.0 0.0100.0 36.4 10.9 5.5 1.8 0.0 0.0 0.0 13.9
ID 63 25 5 7 9 0 0 0 110
ABS. 32 16 5 0 0 0 0 0 531 21 5 0 0 0 0 0 97
REL 60.3 30.1 9.4 0.0 0.0 0.0 0.0 0.0100.0 39.6 9.4 0.0 0.0 0.0 0.0 0.029.11
ID 60 30 9 0 0 0 0 0 100
Year
ABS. 127 76 15 4 1 0 0 0 2231 96 20 5 1 0 0 0 151
REL. 56.9 34.0 6.7 1.7 0.4 0.0 0.0 0.0100.0 43.0 9.0 2.2 0.4 0.0 0.0 0.0 13.9
ID 56 34 6 3 2 0 0 0 103

Note:

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