Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
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 24 11 67 132 101 59 72 36 59 49 35 35 47 48 34 34 28 27 39 23 30 34 31 44 23 24 19 25 16 31 40 41.18 131.71 31.00
2 42 38 49 38 54 36 58 29 27 14 28 16 30 47 88 72 29 33 31 19 17 16 15 18 31 22 18 28 ~ ~ ~ 33.64 88.06 28.00
3 24 27 24 48 42 30 17 19 22 16 34 48 31 32 28 31 21 29 30 28 27 11 15 14 21 26 32 53 45 26 32 28.61 53.24 31.00
4 31 29 22 26 26 21 28 50 33 30 29 26 25 20 23 38 29 38 32 27 21 25 20 25 18 23 17 10 16 20 ~ 25.79 49.70 30.00
5 12 14 15 11 18 27 25 13 14 17 20 18 17 22 18 22 19 26 14 25 21 15 19 16 22 21 27 22 12 14 15 18.46 27.36 31.00
6 7.28 13 18 33 20 23 18 11 17 18 16 15 15 19 14 11 13 27 18 17 17 9 15 23 19 16 15 23 13 13 ~ 16.91 33.25 30.00
7 12 11 18 17 13 10 11 17 23 13 19 26 14 16 23 16 25 20 16 13 12 17 19 13 13 14 16 15 22 25 17 16.62 25.76 31.00
8 16 14 11 17 18 28 24 22 25 16 18 11 20 8.91 14 16 21 23 17 24 19 25 27 14 14 23 23 29 25 22 19 19.57 28.92 31.00
9 15 28 27 28 24 20 21 24 35 40 27 34 35 19 12 21 35 28 37 31 16 39 25 26 27 30 20 23 40 63 ~ 28.23 62.56 30.00
10 54 39 35 36 17 12 21 27 43 31 24 19 32 39 32 39 30 27 20 23 50 38 36 28 16 13 11 13 27 33 34 28.98 54.39 31.00
11 36 25 20 29 27 52 55 40 16 21 39 48 57 25 24 19 40 74 41 53 52 32 29 27 35 59 71 68 94 36 ~ 41.41 93.51 30.00
12 50 61 53 51 36 25 27 18 60 123 102 124 101 113 56 86 37 33 53 46 55 59 48 63 68 29 31 39 38 33 27 56.25 124.41 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. 56 28 4 2 0 0 0 0 90 34 6 2 0 0 0 0 132
REL. 62.2 31.1 4.4 2.2 0.0 0.0 0.0 0.0 100.0 37.8 6.7 2.2 0.0 0.0 0.0 0.04.1
ID 62 31 4 4 0 0 0 0 102
ABS. 88 3 0 0 0 0 0 0 91 3 0 0 0 0 0 0 50
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 8.4
ID 96 3 0 0 0 0 0 0 100
ABS. 83 9 0 0 0 0 0 0 92 9 0 0 0 0 0 0 63
REL. 90.2 9.7 0.0 0.0 0.0 0.0 0.0 0.0100.0 9.8 0.0 0.0 0.0 0.0 0.0 0.0 30.9
ID 90 9 0 0 0 0 0 0 100
ABS. 39 42 6 5 0 0 0 0 92 53 11 5 0 0 0 0 124
REL 42.3 45.6 6.5 5.4 0.0 0.0 0.0 0.0100.0 57.6 12.0 5.4 0.0 0.0 0.0 0.012.12
ID 42 45 6 10 0 0 0 0 105
Year
ABS. 266 82 10 7 0 0 0 0 365 99 17 7 0 0 0 0 132
REL. 72.8 22.4 2.7 1.9 0.0 0.0 0.0 0.0100.0 27.1 4.7 1.9 0.0 0.0 0.0 0.0 4.1
ID 72 22 2 3 0 0 0 0 101

Note:

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