Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1199 - Sokolov
Code:CZSOHSSOK
Institution:Public Health Service
Region:Karlovarsky
District:Sokolov
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 28 47 59 53 56 18 16 40 40 49 63 114 40 33 45 45 31 38 48 26 48 42 40 44 72 47 18 36 76 54 35 45.23 113.75 31.00
2 33 34 41 35 22 58 101 51 47 45 36 96 56 83 134 87 35 15 27 19 31 19 20 21 24 43 45 41 ~ ~ ~ 46.41 134.06 28.00
3 56 40 37 38 33 31 40 40 44 22 19 27 22 23 48 64 38 23 18 23 42 52 56 27 25 25 27 32 37 61 31 35.40 64.05 31.00
4 42 50 51 30 29 33 26 18 30 51 29 20 17 17 20 19 28 28 35 39 25 22 29 39 29 34 28 22 32 33 ~ 30.24 51.36 30.00
5 33 30 28 35 20 20 25 30 34 36 25 22 27 26 25 27 23 27 23 24 28 32 28 30 25 21 19 24 22 24 23 26.41 35.84 31.00
6 24 18 13 23 34 35 27 24 19 19 26 30 28 38 30 18 18 24 24 27 27 23 17 20 29 29 26 24 27 18 ~ 24.61 37.75 30.00
7 19 23 27 28 21 21 22 18 28 29 25 23 30 24 16 25 27 33 44 24 22 26 35 31 29 30 32 25 28 30 26 26.45 44.09 31.00
8 24 34 36 25 22 28 31 31 35 30 27 32 45 36 31 38 32 26 38 34 32 ~ 41 39 34 34 35 27 35 38 56 33.56 56.04 30.00
9 ~ ~ ~ 30 33 32 34 19 18 29 32 37 33 34 28 ~ 33 48 36 31 ~ 28 29 37 32 62 51 37 33 32 ~ 33.96 61.65 25.00
10 38 35 40 36 55 40 52 45 50 41 50 77 65 59 63 ~ ~ ~ ~ 26 28 37 52 66 63 72 40 25 32 39 53 47.47 76.56 27.00
11 25 36 46 32 64 42 35 24 30 60 86 78 57 91 85 82 64 50 44 69 59 34 34 38 40 79 51 41 42 53 ~ 52.44 91.27 30.00
12 22 27 38 59 68 42 86 32 48 60 86 59 51 77 96 30 39 41 56 44 37 31 31 26 20 23 29 25 27 22 27 43.78 95.54 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. 33 49 5 3 0 0 0 0 90 57 8 3 0 0 0 0 134
REL. 36.6 54.4 5.5 3.3 0.0 0.0 0.0 0.0 100.0 63.3 8.9 3.3 0.0 0.0 0.0 0.015.2
ID 36 54 5 6 0 0 0 0 103
ABS. 75 16 0 0 0 0 0 0 91 16 0 0 0 0 0 0 51
REL. 82.4 17.5 0.0 0.0 0.0 0.0 0.0 0.0 100.0 17.6 0.0 0.0 0.0 0.0 0.0 0.0 10.4
ID 82 17 0 0 0 0 0 0 100
ABS. 59 27 0 0 0 0 0 0 86 27 0 0 0 0 0 0 62
REL. 68.6 31.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 31.4 0.0 0.0 0.0 0.0 0.0 0.0 26.9
ID 68 31 0 0 0 0 0 0 100
ABS. 22 52 14 0 0 0 0 0 88 66 14 0 0 0 0 0 96
REL 25.0 59.0 15.9 0.0 0.0 0.0 0.0 0.0100.0 75.0 15.9 0.0 0.0 0.0 0.0 0.015.12
ID 25 59 15 0 0 0 0 0 100
Year
ABS. 189 144 19 3 0 0 0 0 355 166 22 3 0 0 0 0 134
REL. 53.2 40.5 5.3 0.8 0.0 0.0 0.0 0.0100.0 46.8 6.2 0.8 0.0 0.0 0.0 0.0 15.2
ID 53 40 5 1 0 0 0 0 100

Note:

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