Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1066 - Cesky Tesin
Code:CZKACMCTE
Institution:Czech Hydrometeorological Institute
Region:Moravskoslezsky
District:Karvina
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ ~ 43 38 40 62 52 42 105 52 43 50 72 118 155 130 175 240 111 72 52 83 38 35 42 42 46 66 41 37 74.35 240.46 28.00
2 36 38 51 70 32 31 43 27 29 28 46 51 40 38 40 79 60 18 22 18 14 16 27 36 35 46 54 28 ~ ~ ~ 37.62 78.54 28.00
3 39 41 52 44 32 44 36 38 27 29 32 25 29 17 26 37 34 42 17 37 39 38 48 49 32 29 23 24 30 35 38 34.30 51.81 31.00
4 34 39 38 25 33 34 18 18 27 36 43 25 11 21 16 21 26 20 23 37 21 11 34 32 27 29 34 16 34 27 ~ 27.03 43.27 30.00
5 30 24 29 35 21 17 22 24 26 33 18 18 26 31 26 26 33 16 15 20 21 28 24 21 22 21 15 16 12 20 15 22.71 35.10 31.00
6 21 9 13 8.78 24 22 26 25 19 17 18 21 34 25 23 17 22 17 17 21 19 20 7.55 33 24 20 27 19 24 20 ~ 20.56 33.64 30.00
7 18 17 27 25 21 22 13 8.02 11 23 15 23 22 23 16 18 14 18 25 26 10 18 18 13 12 14 25 20 22 19 24 18.77 27.30 31.00
8 23 21 20 12 15 24 21 20 21 26 17 22 23 32 26 27 30 25 32 32 17 23 29 25 20 25 20 11 23 28 22 23.08 32.49 31.00
9 18 18 32 27 16 21 19 7.82 5.07 10 16 22 24 33 22 29 26 35 35 64 95 36 38 33 31 43 57 67 36 50 ~ 32.21 94.55 30.00
10 26 35 35 38 42 29 26 67 41 50 27 43 31 41 39 50 55 48 51 36 21 16 28 60 47 46 33 36 20 20 40 37.95 66.93 31.00
11 14 52 43 35 28 25 14 7.49 23 46 31 52 43 75 35 52 54 33 46 26 29 15 14 16 21 51 56 54 75 33 ~ 36.63 75.02 30.00
12 31 41 52 81 54 66 61 93 97 66 80 46 68 113 61 38 57 36 20 22 18 44 21 26 29 40 54 34 17 12 12 48.05 112.55 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. 26 49 5 4 2 1 0 0 87 61 12 7 3 1 0 0 240
REL. 29.8 56.3 5.7 4.5 2.2 1.1 0.0 0.0 100.0 70.1 13.8 8.0 3.4 1.1 0.0 0.019.1
ID 29 56 5 9 11 28 0 0 141
ABS. 77 14 0 0 0 0 0 0 91 14 0 0 0 0 0 0 43
REL. 84.6 15.3 0.0 0.0 0.0 0.0 0.0 0.0 100.0 15.4 0.0 0.0 0.0 0.0 0.0 0.0 11.4
ID 84 15 0 0 0 0 0 0 100
ABS. 81 9 2 0 0 0 0 0 92 11 2 0 0 0 0 0 95
REL. 88.0 9.7 2.1 0.0 0.0 0.0 0.0 0.0100.0 12.0 2.2 0.0 0.0 0.0 0.0 0.0 21.9
ID 88 9 2 0 0 0 0 0 100
ABS. 36 47 8 1 0 0 0 0 92 56 9 1 0 0 0 0 113
REL 39.1 51.0 8.6 1.0 0.0 0.0 0.0 0.0100.0 60.9 9.8 1.1 0.0 0.0 0.0 0.014.12
ID 39 51 8 2 0 0 0 0 101
Year
ABS. 220 119 15 5 2 1 0 0 362 142 23 8 3 1 0 0 240
REL. 60.7 32.8 4.1 1.3 0.5 0.2 0.0 0.0100.0 39.2 6.4 2.2 0.8 0.3 0.0 0.0 19.1
ID 60 32 4 2 2 6 0 0 110

Note:

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