Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1066 - Cesky Tesin
Code:CZKACMCTE
Institution:Czech Hydrometeorological Institute
Region:Severomoravsky
District:Karvina
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 36 32 41 38 27 65 38 29 32 ~ 53 62 43 26 22 27 14 11 12 13 11 27 37 55 55 46 28 21 11 12 16 31.27 65.18 30.00
2 45 28 18 21 22 56 21 11 12 36 62 30 10 24 49 38 52 41 41 25 22 49 47 32 27 18 38 18 28 ~ ~ 31.73 61.79 29.00
3 26 27 17 24 16 15 13 12 12 25 22 29 33 23 12 23 19 22 24 31 74 47 55 64 51 25 34 45 29 18 24 28.80 73.51 31.00
4 23 25 24 29 29 18 23 26 26 30 22 23 29 20 21 21 37 43 35 39 33 25 18 11 12 47 37 36 22 15 ~ 26.74 47.40 30.00
5 15 14 27 23 27 27 21 21 37 ~ ~ ~ ~ ~ 25 37 34 23 26 11 18 19 28 ~ ~ ~ 22 19 19 22 22 23.27 36.92 23.00
6 26 38 29 35 39 29 18 33 36 28 42 34 49 38 16 5.95 10 24 26 28 32 37 17 19 18 17 13 22 17 24 ~ 26.62 48.65 30.00
7 25 27 25 13 11 18 18 7.97 23 27 25 15 26 14 13 7.03 8.05 25 24 29 25 22 27 27 25 22 30 22 7.68 14 16 20.01 30.44 31.00
8 33 23 24 28 21 16 21 26 30 51 29 26 32 29 47 33 28 39 32 29 28 18 29 31 20 ~ 25 34 32 45 41 30.04 50.85 30.00
9 42 28 10 21 31 41 36 37 33 29 38 52 39 50 42 24 15 26 23 27 27 23 30 36 40 55 46 45 39 19 ~ 33.55 55.26 30.00
10 23 33 55 44 54 44 34 29 30 33 16 17 16 43 52 45 48 48 51 77 47 48 60 43 45 31 34 44 43 30 19 39.87 77.32 31.00
11 37 41 23 19 31 20 19 22 48 55 49 23 35 24 58 62 47 39 48 65 36 80 28 75 106 24 37 54 49 95 ~ 45.05 105.94 30.00
12 131 38 29 49 48 93 58 47 33 28 25 43 30 19 15 10 14 29 52 76 50 61 37 28 47 ~ ~ ~ ~ ~ ~ 43.68 131.10 25.00

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. 58 31 1 0 0 0 0 0 90 32 1 0 0 0 0 0 74
REL. 64.4 34.4 1.1 0.0 0.0 0.0 0.0 0.0 100.0 35.6 1.1 0.0 0.0 0.0 0.0 0.021.3
ID 64 34 1 0 0 0 0 0 100
ABS. 64 19 0 0 0 0 0 0 83 19 0 0 0 0 0 0 49
REL. 77.1 22.8 0.0 0.0 0.0 0.0 0.0 0.0 100.0 22.9 0.0 0.0 0.0 0.0 0.0 0.0 13.6
ID 77 22 0 0 0 0 0 0 100
ABS. 70 21 0 0 0 0 0 0 91 21 0 0 0 0 0 0 55
REL. 76.9 23.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 23.1 0.0 0.0 0.0 0.0 0.0 0.0 26.9
ID 76 23 0 0 0 0 0 0 100
ABS. 32 46 6 2 0 0 0 0 86 54 8 2 0 0 0 0 131
REL 37.2 53.4 6.9 2.3 0.0 0.0 0.0 0.0100.0 62.8 9.3 2.3 0.0 0.0 0.0 0.0 1.12
ID 37 53 6 4 0 0 0 0 102
Year
ABS. 224 117 7 2 0 0 0 0 350 126 9 2 0 0 0 0 131
REL. 64.0 33.4 2.0 0.5 0.0 0.0 0.0 0.0100.0 36.0 2.6 0.6 0.0 0.0 0.0 0.0 1.12
ID 64 33 2 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