Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1070 - Orlova
Code:CZKACMORL
Institution:Czech Hydrometeorological Institute
Region:Moravskoslezsky
District:Karvina
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 31 31 50 80 30 36 55 32 41 49 64 36 33 71 107 97 80 79 92 54 48 57 80 33 56 39 40 28 54 48 26 53.34 106.51 31.00
2 25 27 40 57 52 31 55 23 32 25 37 42 31 48 49 57 46 15 28 21 18 14 23 34 26 44 40 25 ~ ~ ~ 34.37 57.44 28.00
3 32 33 43 41 31 34 27 40 43 21 28 19 26 25 25 32 31 32 25 27 34 41 41 35 37 33 26 22 34 ~ 31 31.67 43.25 30.00
4 25 28 23 15 32 22 13 18 32 30 48 20 9 16 8.69 20 23 22 28 34 18 11 26 34 30 27 27 18 20 15 ~ 23.10 47.62 30.00
5 12 19 22 23 20 15 20 27 28 25 16 18 13 17 21 19 26 18 17 16 19 24 20 22 19 16 16 24 14 15 22 19.42 28.50 31.00
6 18 13 12 13 18 28 20 21 17 21 18 24 33 27 27 16 18 18 18 22 18 20 11 11 15 16 27 21 17 17 ~ 19.11 32.53 30.00
7 12 14 28 24 21 18 12 17 19 24 20 19 17 26 14 15 13 18 26 19 10 14 20 14 13 14 19 17 16 16 24 17.81 28.21 31.00
8 16 22 17 15 13 17 20 19 29 18 11 12 20 18 18 14 18 17 18 19 16 22 31 23 16 19 17 15 20 24 22 18.57 30.93 31.00
9 17 13 23 23 18 22 23 17 19 29 23 25 20 31 24 23 34 17 25 22 24 16 24 32 26 33 34 25 31 29 ~ 24.10 34.45 30.00
10 25 28 27 30 44 21 41 46 35 39 33 30 20 26 30 41 49 43 43 34 36 32 31 32 40 34 25 33 36 41 27 33.89 49.24 31.00
11 13 34 40 23 28 35 25 18 19 33 34 61 49 50 38 37 36 37 44 23 53 28 13 14 20 49 73 51 65 32 ~ 35.77 72.50 30.00
12 23 29 36 47 55 78 64 112 108 78 82 47 77 80 55 27 68 37 31 25 23 29 21 18 21 28 35 18 15 16 14 45.13 112.26 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. 42 39 7 1 0 0 0 0 89 47 8 1 0 0 0 0 107
REL. 47.1 43.8 7.8 1.1 0.0 0.0 0.0 0.0 100.0 52.8 9.0 1.1 0.0 0.0 0.0 0.015.1
ID 47 43 7 2 0 0 0 0 101
ABS. 88 3 0 0 0 0 0 0 91 3 0 0 0 0 0 0 48
REL. 96.7 3.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 3.3 0.0 0.0 0.0 0.0 0.0 0.0 11.4
ID 96 3 0 0 0 0 0 0 100
ABS. 89 3 0 0 0 0 0 0 92 3 0 0 0 0 0 0 34
REL. 96.7 3.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 3.3 0.0 0.0 0.0 0.0 0.0 0.0 17.9
ID 96 3 0 0 0 0 0 0 100
ABS. 44 39 7 2 0 0 0 0 92 48 9 2 0 0 0 0 112
REL 47.8 42.3 7.6 2.1 0.0 0.0 0.0 0.0100.0 52.2 9.8 2.2 0.0 0.0 0.0 0.0 8.12
ID 47 42 7 4 0 0 0 0 102
Year
ABS. 263 84 14 3 0 0 0 0 364 101 17 3 0 0 0 0 112
REL. 72.2 23.0 3.8 0.8 0.0 0.0 0.0 0.0100.0 27.7 4.7 0.8 0.0 0.0 0.0 0.0 8.12
ID 72 23 3 1 0 0 0 0 100

Note:

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