Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
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 60 22 37 96 28 22 35 19 28 44 45 31 34 65 92 71 57 67 71 60 44 38 61 43 55 37 28 29 37 45 18 45.79 96.16 31.00
2 17 19 34 45 35 24 38 28 21 16 27 29 23 36 50 66 41 11 18 16 10 6.18 11 29 46 41 39 16 ~ ~ ~ 28.32 65.80 28.00
3 28 31 38 39 24 27 28 15 29 19 15 16 19 20 18 28 25 22 16 13 29 35 32 30 32 22 16 12 18 21 25 23.90 38.98 31.00
4 26 29 23 16 21 27 11 12 16 24 31 11 5.01 11 11 15 14 19 17 24 12 5.80 14 19 24 21 21 12 14 11 ~ 17.20 30.87 30.00
5 14 13 12 11 14 10 13 16 17 15 8.96 12 11 13 14 15 17 11 10 11 11 12 14 16 13 13 11 16 7.64 8.78 15 12.74 16.78 31.00
6 10 10 5.41 5.07 11 23 16 15 11 12 12 10 15 12 16 13 13 10 10 11 12 13 4.63 5.67 6.99 9 15 12 10 12 ~ 11.38 23.01 30.00
7 6.08 7.20 14 10 16 10 8.58 10 11 15 12 14 10 11 9 9 6.71 11 15 8.66 6.43 6.28 11 8.37 5.95 7.39 7.59 6.90 6.53 9 10 9.69 15.63 31.00
8 6.99 11 ~ 7.86 6.31 10 12 12 13 14 5.26 6.60 8.89 12 14 14 13 12 14 12 7.82 14 20 14 14 13 11 10 12 14 17 11.76 20.32 30.00
9 11 7.29 16 11 11 10 12 12 5.84 10 12 18 12 15 16 15 22 12 14 14 16 13 18 18 16 18 22 15 21 19 ~ 14.43 22.42 30.00
10 14 14 23 20 23 23 12 30 24 25 18 29 24 17 33 40 35 28 29 25 21 24 20 21 26 23 16 24 31 27 18 23.74 39.63 31.00
11 5.67 27 35 21 20 29 20 12 10 44 29 44 44 27 28 31 39 29 38 18 38 19 8.11 12 15 33 56 40 70 24 ~ 28.83 69.59 30.00
12 20 19 21 41 33 61 53 97 104 83 77 35 67 67 51 20 51 30 28 16 20 35 16 15 12 22 35 15 14 22 13 38.46 103.52 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. 54 31 5 0 0 0 0 0 90 36 5 0 0 0 0 0 96
REL. 60.0 34.4 5.5 0.0 0.0 0.0 0.0 0.0 100.0 40.0 5.6 0.0 0.0 0.0 0.0 0.04.1
ID 60 34 5 0 0 0 0 0 100
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 31
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 11.4
ID 100 0 0 0 0 0 0 0 100
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 22
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 27.9
ID 100 0 0 0 0 0 0 0 100
ABS. 66 19 6 1 0 0 0 0 92 26 7 1 0 0 0 0 104
REL 71.7 20.6 6.5 1.0 0.0 0.0 0.0 0.0100.0 28.3 7.6 1.1 0.0 0.0 0.0 0.0 9.12
ID 71 20 6 2 0 0 0 0 101
Year
ABS. 302 50 11 1 0 0 0 0 364 62 12 1 0 0 0 0 104
REL. 82.9 13.7 3.0 0.2 0.0 0.0 0.0 0.0100.0 17.0 3.3 0.3 0.0 0.0 0.0 0.0 9.12
ID 82 13 3 0 0 0 0 100

Note:

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