Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1066 - Cesky Tesin
Code:CZKACMCTE
Institution:CHMI
Region:Severomoravsky
District:Karvina
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 31 34 12 6.18 10 12 40 7.96 19 37 36 46 91 54 84 63 31 30 22 56 43 23 39 52 60 109 75 38 57 21 37 41.13 108.88 31.00
2 62 40 29 70 83 113 46 31 51 50 44 21 43 22 18 23 27 29 48 83 36 70 90 32 47 31 13 10 ~ ~ ~ 45.05 112.74 28.00
3 10 11 8.72 10 9 12 9 9 21 64 37 35 18 12 27 36 75 36 16 22 21 52 44 50 49 50 26 44 43 52 46 30.77 74.69 31.00
4 45 36 29 17 30 36 16 19 39 22 18 9 20 40 19 34 35 25 10 60 36 48 38 28 29 27 22 43 38 31 ~ 29.99 60.25 30.00
5 28 14 24 13 19 24 ~ ~ ~ 26 35 30 34 24 30 20 13 35 46 23 17 9 20 22 30 31 30 34 24 25 25 25.17 46.26 28.00
6 12 31 23 33 32 21 13 17 35 26 16 9 10 14 21 22 14 30 30 15 25 15 19 28 38 32 32 18 18 16 ~ 22.23 37.53 30.00
7 18 24 18 10 9 16 20 12 23 28 8.90 6.87 16 23 26 19 31 13 22 31 38 22 29 25 19 25 21 24 30 25 34 21.48 37.69 31.00
8 21 20 17 23 23 30 31 27 21 29 36 33 21 22 31 31 31 28 34 40 13 10 29 14 15 23 30 32 15 15 33 25.09 39.69 31.00
9 28 47 33 39 23 31 31 36 42 24 26 19 15 15 12 22 32 35 23 23 30 53 45 60 56 31 60 32 14 26 ~ 32.03 59.77 30.00
10 29 28 33 25 37 32 27 91 84 7.51 8.00 13 36 41 53 67 25 20 35 36 30 48 65 34 21 30 17 7.09 8.32 7.35 12 32.40 90.57 31.00
11 8.51 23 17 42 17 14 37 43 88 60 26 56 74 36 24 17 13 20 53 37 37 63 78 123 106 144 89 96 42 26 ~ 50.37 144.22 30.00
12 33 57 133 75 24 12 20 28 33 48 106 58 24 43 63 31 83 62 35 23 37 70 66 33 49 46 42 40 128 79 25 51.88 133.11 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. 40 39 9 2 0 0 0 0 90 50 11 2 0 0 0 0 113
REL. 44.4 43.3 10.0 2.2 0.0 0.0 0.0 0.0 100.0 55.6 12.2 2.2 0.0 0.0 0.0 0.06.2
ID 44 43 10 4 0 0 0 0 102
ABS. 68 20 0 0 0 0 0 0 88 20 0 0 0 0 0 0 60
REL. 77.2 22.7 0.0 0.0 0.0 0.0 0.0 0.0 100.0 22.7 0.0 0.0 0.0 0.0 0.0 0.0 20.4
ID 77 22 0 0 0 0 0 0 100
ABS. 76 16 0 0 0 0 0 0 92 16 0 0 0 0 0 0 60
REL. 82.6 17.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 17.4 0.0 0.0 0.0 0.0 0.0 0.0 27.9
ID 82 17 0 0 0 0 0 0 100
ABS. 40 34 12 6 0 0 0 0 92 52 18 6 0 0 0 0 144
REL 43.4 36.9 13.0 6.5 0.0 0.0 0.0 0.0100.0 56.5 19.6 6.5 0.0 0.0 0.0 0.026.11
ID 43 36 13 13 0 0 0 0 106
Year
ABS. 224 109 21 8 0 0 0 0 362 138 29 8 0 0 0 0 144
REL. 61.8 30.1 5.8 2.2 0.0 0.0 0.0 0.0100.0 38.1 8.0 2.2 0.0 0.0 0.0 0.026.11
ID 61 30 5 4 0 0 0 0 102

Note:

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