Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
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 29 44 45 59 52 52 33 33 17 36 25 24 30 18 16 50 54 113 58 120 61 42 49 35 57 56 56 35 32 50 35 45.67 120.00 31.00
2 51 53 33 25 8.45 8.55 13 22 35 45 35 39 35 29 37 17 11 32 45 37 22 14 16 16 33 44 54 47 ~ ~ ~ 30.59 53.51 28.00
3 14 15 31 18 23 24 15 26 43 52 14 45 33 38 38 25 35 43 67 29 27 35 16 32 24 27 29 23 27 58 74 32.24 74.01 31.00
4 76 61 33 24 25 28 21 21 24 27 23 30 29 13 15 58 16 19 21 22 28 31 32 18 21 25 38 17 29 26 ~ 28.41 76.49 30.00
5 18 22 29 18 17 33 23 12 21 19 17 26 24 32 11 21 29 30 32 29 39 13 17 25 23 27 32 30 32 20 17 23.86 38.56 31.00
6 33 28 22 20 20 12 26 20 29 24 27 12 16 22 22 25 22 16 22 21 10 7.98 30 29 23 25 22 23 23 23 ~ 21.84 32.53 30.00
7 28 21 23 22 21 11 20 17 21 11 32 31 31 12 18 24 19 29 29 23 26 16 29 33 31 35 35 41 45 35 30 25.74 44.66 31.00
8 37 48 41 48 39 42 24 37 48 35 21 40 31 24 33 24 27 29 37 28 17 25 34 27 54 38 43 19 25 34 21 33.13 53.53 31.00
9 17 40 31 28 40 36 38 48 54 44 36 27 42 47 46 55 47 37 39 22 27 ~ 49 39 27 23 39 36 29 20 ~ 36.63 54.60 29.00
10 26 26 24 28 37 31 36 33 12 16 14 41 48 26 24 14 49 80 61 55 48 63 28 27 28 34 21 41 60 32 25 35.05 79.83 31.00
11 58 57 35 65 74 41 29 49 58 55 55 52 61 23 48 82 38 54 67 35 63 95 36 36 72 65 48 47 61 40 ~ 53.38 95.03 30.00
12 41 19 16 16 16 29 47 42 43 95 65 20 42 26 21 35 49 44 80 77 55 123 54 30 24 16 30 47 27 32 38 41.92 123.43 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. 44 43 1 2 0 0 0 0 90 46 3 2 0 0 0 0 120
REL. 48.8 47.7 1.1 2.2 0.0 0.0 0.0 0.0 100.0 51.1 3.3 2.2 0.0 0.0 0.0 0.020.1
ID 48 47 1 4 0 0 0 0 102
ABS. 86 4 1 0 0 0 0 0 91 5 1 0 0 0 0 0 76
REL. 94.5 4.3 1.0 0.0 0.0 0.0 0.0 0.0 100.0 5.5 1.1 0.0 0.0 0.0 0.0 0.0 1.4
ID 94 4 1 0 0 0 0 0 100
ABS. 51 40 0 0 0 0 0 0 91 40 0 0 0 0 0 0 55
REL. 56.0 43.9 0.0 0.0 0.0 0.0 0.0 0.0100.0 44.0 0.0 0.0 0.0 0.0 0.0 0.0 16.9
ID 56 43 0 0 0 0 0 0 100
ABS. 34 48 9 1 0 0 0 0 92 58 10 1 0 0 0 0 123
REL 36.9 52.1 9.7 1.0 0.0 0.0 0.0 0.0100.0 63.0 10.9 1.1 0.0 0.0 0.0 0.022.12
ID 36 52 9 2 0 0 0 0 101
Year
ABS. 215 135 11 3 0 0 0 0 364 149 14 3 0 0 0 0 123
REL. 59.0 37.0 3.0 0.8 0.0 0.0 0.0 0.0100.0 40.9 3.8 0.8 0.0 0.0 0.0 0.022.12
ID 59 37 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