Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1069 - Karvina
Code:CZKACMKAR
Institution:Czech Hydrometeorological Institute
Region:Moravskoslezsky
District:Karvina
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 84 43 47 75 44 43 66 55 41 59 66 45 57 86 97 99 75 78 90 73 53 49 89 67 60 55 44 39 71 37 25 61.63 99.02 31.00
2 26 35 42 55 50 56 89 76 37 25 40 43 31 58 58 90 51 17 28 25 23 15 25 51 56 60 44 22 ~ ~ ~ 43.86 89.61 28.00
3 35 32 42 40 30 41 32 53 55 24 25 24 34 33 36 35 33 44 28 36 37 45 52 48 32 30 23 25 25 50 46 36.26 55.28 31.00
4 67 46 34 25 50 27 14 19 29 26 49 27 12 17 10 18 32 ~ 32 36 21 12 31 49 30 33 37 17 22 18 ~ 28.91 67.19 29.00
5 27 19 23 32 20 18 25 26 35 29 15 18 31 35 22 30 21 19 19 22 18 22 33 35 18 21 15 26 18 28 22 23.99 35.19 31.00
6 21 8.07 16 16 33 31 26 20 15 18 21 20 29 36 21 15 21 24 24 23 25 22 10 25 32 29 34 16 22 22 ~ 22.49 35.96 30.00
7 15 18 23 31 27 16 8.84 13 18 26 17 31 23 13 13 16 17 22 22 20 12 17 25 18 15 18 26 24 27 27 21 20.09 31.20 31.00
8 31 18 18 17 17 29 20 18 32 24 19 28 28 29 28 25 19 24 29 23 16 24 32 32 29 31 19 22 40 24 29 25.01 39.93 31.00
9 16 22 32 27 21 29 27 17 11 18 35 28 29 36 24 31 31 32 30 37 30 15 20 33 27 26 35 40 24 43 ~ 27.62 42.97 30.00
10 26 48 46 38 42 45 43 76 70 62 51 64 46 59 72 77 50 38 40 38 32 39 28 29 45 60 29 29 48 35 30 46.20 77.10 31.00
11 18 62 41 29 45 35 26 17 28 80 40 52 45 71 58 65 52 32 50 27 47 26 19 15 23 50 95 53 83 29 ~ 43.73 94.51 30.00
12 22 25 34 54 51 66 66 122 124 83 87 47 62 101 61 27 68 42 36 25 17 39 24 ~ ~ ~ 39 19 19 24 14 49.83 123.63 28.00

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. 25 50 15 0 0 0 0 0 90 65 15 0 0 0 0 0 99
REL. 27.7 55.5 16.6 0.0 0.0 0.0 0.0 0.0 100.0 72.2 16.7 0.0 0.0 0.0 0.0 0.016.1
ID 27 55 16 0 0 0 0 0 100
ABS. 77 12 1 0 0 0 0 0 90 13 1 0 0 0 0 0 67
REL. 85.5 13.3 1.1 0.0 0.0 0.0 0.0 0.0 100.0 14.4 1.1 0.0 0.0 0.0 0.0 0.0 1.4
ID 85 13 1 0 0 0 0 0 100
ABS. 85 7 0 0 0 0 0 0 92 7 0 0 0 0 0 0 43
REL. 92.3 7.6 0.0 0.0 0.0 0.0 0.0 0.0100.0 7.6 0.0 0.0 0.0 0.0 0.0 0.0 30.9
ID 92 7 0 0 0 0 0 0 100
ABS. 29 46 11 3 0 0 0 0 89 60 14 3 0 0 0 0 124
REL 32.5 51.6 12.3 3.3 0.0 0.0 0.0 0.0100.0 67.4 15.7 3.4 0.0 0.0 0.0 0.0 9.12
ID 32 51 12 6 0 0 0 0 103
Year
ABS. 216 115 27 3 0 0 0 0 361 145 30 3 0 0 0 0 124
REL. 59.8 31.8 7.4 0.8 0.0 0.0 0.0 0.0100.0 40.2 8.3 0.8 0.0 0.0 0.0 0.0 9.12
ID 59 31 7 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