Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1068 - Havirov
Code:CZKACMHAV
Institution:Czech Hydrometeorological Institute
Region:Moravskoslezsky
District:Karvina
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 75 36 63 176 39 36 77 52 52 72 66 42 49 72 88 117 116 105 148 70 62 90 118 116 116 65 40 64 74 41 25 76.12 176.47 31.00
2 35 54 38 61 55 52 106 53 47 22 33 37 29 72 55 72 46 16 37 24 ~ ~ 25 43 31 41 93 18 ~ ~ ~ 45.91 106.39 26.00
3 30 37 ~ ~ ~ 49 25 ~ 33 42 32 17 45 41 26 34 31 57 23 48 35 40 48 42 34 28 22 28 26 56 34 35.69 56.58 27.00
4 61 41 46 17 34 36 15 18 28 31 57 34 10 19 6.60 44 40 26 26 32 15 11 39 48 37 33 32 22 32 19 ~ 30.35 61.07 30.00
5 37 31 53 38 17 12 16 25 31 33 15 18 20 33 31 51 43 20 15 25 16 31 35 31 19 22 26 21 15 18 18 26.33 52.84 31.00
6 21 7.88 24 15 30 30 23 21 14 18 20 22 58 34 45 14 22 13 16 18 24 17 10 30 28 21 48 18 24 20 ~ 23.58 58.05 30.00
7 21 11 24 24 16 22 6.37 12 21 33 19 16 21 25 10 11 15 24 28 21 6.88 13 15 12 11 18 27 22 25 20 30 18.66 32.68 31.00
8 27 48 23 14 18 22 39 17 39 24 18 17 29 30 30 38 22 36 43 34 14 18 28 37 24 35 22 18 39 66 32 29.07 66.11 31.00
9 16 14 51 41 14 30 19 9 6.55 14 27 21 42 39 25 25 39 50 89 88 57 22 19 31 26 28 36 38 39 45 ~ 33.35 89.07 30.00
10 19 48 35 41 97 54 43 132 52 75 53 75 46 64 117 75 58 50 73 66 44 27 29 48 41 47 25 24 37 25 44 53.65 131.74 31.00
11 28 55 36 25 54 32 19 12 28 58 30 44 50 62 61 63 53 26 43 35 42 24 21 14 35 56 83 53 80 31 ~ 41.75 83.22 30.00
12 25 31 40 46 47 90 63 98 90 79 99 47 73 87 58 29 58 50 29 32 14 48 22 10 9 22 37 12 19 15 13 44.89 98.85 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. 21 43 11 8 1 0 0 0 84 63 20 9 1 0 0 0 176
REL. 25.0 51.1 13.0 9.5 1.1 0.0 0.0 0.0 100.0 75.0 23.8 10.7 1.2 0.0 0.0 0.04.1
ID 25 51 13 19 5 0 0 0 114
ABS. 68 23 0 0 0 0 0 0 91 23 0 0 0 0 0 0 61
REL. 74.7 25.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 25.3 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 74 25 0 0 0 0 0 0 100
ABS. 68 22 2 0 0 0 0 0 92 24 2 0 0 0 0 0 89
REL. 73.9 23.9 2.1 0.0 0.0 0.0 0.0 0.0100.0 26.1 2.2 0.0 0.0 0.0 0.0 0.0 19.9
ID 73 23 2 0 0 0 0 0 100
ABS. 32 44 14 2 0 0 0 0 92 60 16 2 0 0 0 0 132
REL 34.7 47.8 15.2 2.1 0.0 0.0 0.0 0.0100.0 65.2 17.4 2.2 0.0 0.0 0.0 0.0 8.10
ID 34 47 15 4 0 0 0 0 102
Year
ABS. 189 132 27 10 1 0 0 0 359 170 38 11 1 0 0 0 176
REL. 52.6 36.7 7.5 2.7 0.2 0.0 0.0 0.0100.0 47.4 10.6 3.1 0.3 0.0 0.0 0.0 4.1
ID 52 36 7 5 1 0 0 0 103

Note:

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