Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1068 - Havirov
Code:CZKACMHAV
Institution:Czech Hydrometeorological Institute
Region:Severomoravsky
District:Karvina
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 17 28 43 48 43 41 48 34 26 31 36 35 59 20 23 49 82 205 66 38 37 31 30 18 23 42 46 31 20 26 22 41.87 204.93 31.00
2 48 57 38 30 14 10 ~ ~ 29 40 32 29 27 25 39 20 17 37 38 41 16 23 25 23 22 24 37 63 ~ ~ ~ 30.89 63.47 26.00
3 17 23 20 8.91 15 35 18 35 39 75 17 49 29 54 40 22 34 44 72 25 32 82 22 44 35 20 43 25 22 54 79 36.60 82.38 31.00
4 57 38 20 31 26 26 28 19 25 26 29 49 55 11 10 41 18 21 31 26 28 32 36 14 18 21 31 26 34 26 ~ 28.42 56.95 30.00
5 25 23 35 15 16 47 12 10 19 20 17 21 34 23 15 26 49 47 35 27 45 10 24 45 34 44 52 38 11 16 23 27.70 52.40 31.00
6 36 53 47 16 16 11 31 16 45 24 24 12 12 21 18 23 22 19 19 ~ 10 8.03 56 22 39 26 26 22 35 31 ~ 25.60 55.73 29.00
7 28 28 21 15 17 10 21 13 22 8.72 28 53 30 20 27 29 20 23 17 21 20 21 27 24 39 34 24 30 42 25 24 24.61 52.87 31.00
8 25 48 34 48 32 38 21 17 31 28 16 25 ~ ~ ~ ~ ~ 23 35 27 19 19 54 61 53 61 41 14 25 47 28 33.42 61.06 26.00
9 17 41 27 40 40 56 30 63 94 82 32 50 47 70 52 80 82 43 48 7.77 20 67 54 48 24 43 69 37 18 15 ~ 46.55 93.92 30.00
10 28 7.89 28 29 28 46 45 35 17 24 24 55 73 37 23 16 60 97 45 41 54 54 12 14 15 31 38 55 112 81 24 40.26 112.07 31.00
11 143 100 40 57 120 87 19 47 64 72 ~ 49 45 23 59 86 38 63 100 30 91 107 31 30 66 80 28 61 23 25 ~ 61.48 142.92 29.00
12 33 25 17 17 26 23 16 50 59 134 45 11 64 20 31 40 28 22 73 85 51 142 166 47 19 18 47 52 37 39 41 47.72 166.08 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. 45 37 5 0 0 1 0 0 88 43 6 1 1 1 0 0 205
REL. 51.1 42.0 5.6 0.0 0.0 1.1 0.0 0.0 100.0 48.9 6.8 1.1 1.1 1.1 0.0 0.018.1
ID 51 42 5 0 0 28 0 0 127
ABS. 64 26 0 0 0 0 0 0 90 26 0 0 0 0 0 0 57
REL. 71.1 28.8 0.0 0.0 0.0 0.0 0.0 0.0 100.0 28.9 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 71 28 0 0 0 0 0 0 100
ABS. 51 30 6 0 0 0 0 0 87 36 6 0 0 0 0 0 94
REL. 58.6 34.4 6.8 0.0 0.0 0.0 0.0 0.0100.0 41.4 6.9 0.0 0.0 0.0 0.0 0.0 9.9
ID 58 34 6 0 0 0 0 0 100
ABS. 37 35 10 8 1 0 0 0 91 54 19 9 1 0 0 0 166
REL 40.6 38.4 10.9 8.7 1.0 0.0 0.0 0.0100.0 59.3 20.9 9.9 1.1 0.0 0.0 0.023.12
ID 40 38 10 17 5 0 0 0 113
Year
ABS. 197 128 21 8 1 1 0 0 356 159 31 10 2 1 0 0 205
REL. 55.3 35.9 5.8 2.2 0.2 0.2 0.0 0.0100.0 44.7 8.7 2.8 0.6 0.3 0.0 0.0 18.1
ID 55 35 5 4 1 7 0 0 110

Note:

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