Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1074 - Studenka
Code:CZNJCMSTU
Institution:Czech Hydrometeorological Institute
Region:Moravskoslezsky
District:Novy Jicin
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 18 18 29 38 20 17 33 14 24 37 28 19 20 53 89 101 100 135 123 27 44 47 24 17 23 27 19 14 26 30 14 39.64 135.08 31.00
2 18 15 32 54 23 17 17 9 15 10 20 20 14 26 41 46 29 10 18 14 12 8.13 16 15 27 28 30 12 ~ ~ ~ 21.28 54.10 28.00
3 19 24 33 30 16 32 16 12 21 17 16 12 18 18 13 20 29 21 12 11 39 32 44 18 23 19 26 23 25 19 15 21.68 43.58 31.00
4 27 21 20 15 21 18 9 6.71 8.73 26 22 11 2.37 7.23 6.21 11 8.20 11 9 17 6.72 4.02 11 18 16 10 11 10 10 10 ~ 12.88 26.74 30.00
5 8.15 11 24 10 11 6.55 6.12 12 19 12 6.18 6.73 10 8.42 8.14 10 8.32 6.95 8.53 11 11 17 18 15 10 12 8.35 11 9 9 6.76 10.64 23.51 31.00
6 7.70 5.73 3.49 4.53 7.28 8.29 12 12 11 17 6.35 9 12 27 11 9 8.38 5.72 5.55 7.65 8.36 10 5.53 8.97 9 8.85 10 6.99 7.09 6.09 ~ 9.10 27.11 30.00
7 6.87 4.03 12 13 6.58 11 4.88 6.44 7.16 10 8.09 11 7.27 7.92 5.20 7.37 6.74 7.06 9 12 3.83 4.05 6.27 4.82 4.49 6.73 10 6.14 8.86 11 11 7.77 12.81 31.00
8 8.49 17 8.50 5.49 7.99 7.89 10 6.57 7.80 7.83 4.76 7.60 10 16 12 10 8.87 19 12 11 7.26 10 15 26 18 17 13 10 13 17 13 11.52 25.83 31.00
9 11 11 16 9 7.81 10 11 6.68 3.74 7.66 9 12 10 12 9 9 15 13 14 14 14 9 27 19 14 33 19 14 22 19 ~ 13.37 32.51 30.00
10 12 11 17 17 25 20 12 27 26 22 24 30 21 22 28 27 27 30 27 19 26 17 23 25 24 19 15 20 25 18 17 21.64 29.92 31.00
11 10 19 23 16 21 25 18 10 8.88 24 25 30 23 24 26 28 30 24 23 11 29 17 10 7.41 8.48 23 33 33 44 32 ~ 21.95 43.55 30.00
12 37 31 36 28 27 46 63 53 80 ~ 73 31 45 61 38 12 51 29 23 18 17 25 12 14 12 19 26 14 10 11 11 31.82 80.16 30.00

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. 75 10 1 4 0 0 0 0 90 15 5 4 0 0 0 0 135
REL. 83.3 11.1 1.1 4.4 0.0 0.0 0.0 0.0 100.0 16.7 5.6 4.4 0.0 0.0 0.0 0.018.1
ID 83 11 1 8 0 0 0 0 104
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 27
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 14.6
ID 100 0 0 0 0 0 0 0 100
ABS. 92 0 0 0 0 0 0 0 92 0 0 0 0 0 0 0 33
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 26.9
ID 100 0 0 0 0 0 0 0 100
ABS. 77 12 2 0 0 0 0 0 91 14 2 0 0 0 0 0 80
REL 84.6 13.1 2.1 0.0 0.0 0.0 0.0 0.0100.0 15.4 2.2 0.0 0.0 0.0 0.0 0.0 9.12
ID 84 13 2 0 0 0 0 0 100
Year
ABS. 335 22 3 4 0 0 0 0 364 29 7 4 0 0 0 0 135
REL. 92.0 6.0 0.8 1.0 0.0 0.0 0.0 0.0100.0 8.0 1.9 1.1 0.0 0.0 0.0 0.0 18.1
ID 92 6 2 0 0 0 0 101

Note:

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