Detailed overview of ambient air pollution valuis from individual stations


Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1072 - Vernovice
Code:CZKACMVER
Institution:Czech Hydrometeorological Institute
Region:Moravskoslezsky
District:Karvina
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 23 7.46 74 152 80 61 81 27 54 47 32 38 48 36 27 39 29 24 35 20 29 27 30 33 22 15 21 17 18 25 33 38.94 151.95 31.00
2 29 24 42 37 37 31 51 24 15 16 13 12 20 29 64 88 31 30 24 17 10 12 11 9 27 14 13 14 ~ ~ ~ 26.69 88.04 28.00
3 16 23 17 27 35 28 15 17 16 17 32 33 27 30 23 25 21 29 20 22 25 6.62 9 10 11 19 18 37 43 33 28 22.95 43.36 31.00
4 23 25 19 20 17 16 17 32 26 22 18 21 27 16 19 27 24 24 24 21 16 21 14 18 20 23 12 8.60 10 15 ~ 19.75 31.91 30.00
5 10 10 12 8.91 13 15 19 14 15 12 11 15 15 15 11 20 10 17 10 19 14 11 13 9 14 14 18 14 8.34 7.41 11 13.08 20.14 31.00
6 4.41 8.83 10 16 7.48 11 7.22 4.93 7.54 10 9 16 11 8.70 11 8.73 8.97 13 17 13 11 9 11 15 10 12 11 17 6.07 8.94 ~ 10.49 16.88 30.00
7 8.91 8.40 15 16 11 8.91 8.01 12 11 10 10 16 8.09 9 15 11 18 14 8.74 8.29 11 9 10 10 6.12 7.16 11 9 14 16 13 11.12 18.40 31.00
8 16 10 8.83 10 11 18 15 14 17 12 11 11 9 5.95 6.30 8.64 14 12 10 17 18 22 19 16 12 13 16 21 17 17 14 13.52 21.65 31.00
9 9 15 18 16 17 14 14 12 16 17 18 15 23 16 6.49 11 25 18 19 21 12 29 17 19 18 22 15 16 22 40 ~ 17.71 39.72 30.00
10 46 41 26 29 13 9 14 15 29 22 13 10 21 27 ~ ~ 16 15 15 23 31 30 23 19 17 7.86 7.41 10 28 22 26 20.88 46.33 29.00
11 24 20 13 20 ~ ~ 40 35 13 13 32 ~ 63 31 15 8.74 22 47 25 32 51 23 21 17 21 36 50 47 76 31 ~ 30.72 76.44 27.00
12 40 45 40 38 23 13 23 15 43 105 84 107 87 101 45 62 34 23 49 38 57 50 46 62 83 24 25 63 34 26 25 48.72 106.96 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. 68 17 4 0 1 0 0 0 90 22 5 1 1 0 0 0 152
REL. 75.5 18.8 4.4 0.0 1.1 0.0 0.0 0.0 100.0 24.4 5.6 1.1 1.1 0.0 0.0 0.04.1
ID 75 18 4 0 5 0 0 0 104
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 32
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8.4
ID 100 0 0 0 0 0 0 0 100
ABS. 91 1 0 0 0 0 0 0 92 1 0 0 0 0 0 0 40
REL. 98.9 1.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 30.9
ID 98 1 0 0 0 0 0 0 100
ABS. 54 26 4 3 0 0 0 0 87 33 7 3 0 0 0 0 107
REL 62.0 29.8 4.5 3.4 0.0 0.0 0.0 0.0100.0 37.9 8.0 3.4 0.0 0.0 0.0 0.012.12
ID 62 29 4 6 0 0 0 0 103
Year
ABS. 304 44 8 3 1 0 0 0 360 56 12 4 1 0 0 0 152
REL. 84.4 12.2 2.2 0.8 0.2 0.0 0.0 0.0100.0 15.6 3.3 1.1 0.3 0.0 0.0 0.0 4.1
ID 84 12 2 1 1 0 0 0 101

Note:

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