Detailed overview of ambient air pollution valuis from individual stations

1032 - Sokolov

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1032 - Sokolov
Code:CZSOCMSOK
Institution:CHMI
Region:Zapadocesky
District:Sokolov
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 62 60 41 44 46 55 50 43 35 51 35 43 185 270 161 247 303 184 133 94 71 38 146 196 76 31 68 41 30 21 ~ 95.31 303.08 30.00
2 30 49 70 46 29 41 56 56 59 40 24 25 17 28 18 21 39 40 17 14 32 26 41 39 13 20 29 31 ~ ~ ~ 33.91 70.32 28.00
3 30 22 26 34 40 49 42 41 37 49 65 49 37 34 27 26 25 34 27 29 29 18 25 46 61 42 40 13 13 16 23 33.86 65.48 31.00
4 46 58 40 16 23 19 34 46 44 37 23 16 25 26 18 23 30 26 24 29 30 32 33 39 33 32 30 19 25 24 ~ 30.03 57.91 30.00
5 21 23 26 23 23 15 20 20 15 16 24 25 30 30 36 25 20 18 23 23 17 20 25 20 25 24 16 24 19 18 20 22.10 36.22 31.00
6 26 33 47 29 24 24 18 20 21 26 28 24 24 21 22 27 38 37 34 25 18 13 17 ~ 22 22 43 27 25 19 ~ 26.00 47.03 29.00
7 21 29 24 23 22 15 18 22 25 34 39 21 24 28 22 ~ 39 22 18 12 19 26 40 35 25 16 17 19 31 36 28 25.03 39.83 30.00
8 21 24 39 35 36 29 30 36 28 25 25 29 29 30 24 24 26 65 39 30 32 38 32 30 35 37 34 26 23 20 31 31.03 65.42 31.00
9 43 39 42 39 42 22 18 21 18 25 50 39 18 33 59 57 55 41 42 31 41 60 47 48 55 47 30 42 56 44 ~ 40.17 59.72 30.00
10 38 16 19 24 39 60 61 25 26 21 18 16 25 27 32 42 65 50 68 57 39 53 52 20 19 22 44 45 91 50 46 39.03 91.29 31.00
11 46 43 35 39 51 70 77 58 38 35 83 42 42 45 33 58 49 36 28 55 81 85 70 40 33 67 84 82 106 52 ~ 55.51 105.65 30.00
12 41 49 57 38 36 36 36 74 92 26 23 27 19 30 33 37 25 23 43 41 62 89 69 24 12 10 15 17 21 48 109 40.70 108.60 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. 34 41 5 2 4 2 1 0 89 55 14 9 7 3 1 0 303
REL. 38.2 46.0 5.6 2.2 4.4 2.2 1.1 0.0 100.0 61.8 15.7 10.1 7.9 3.4 1.1 0.017.1
ID 38 46 5 4 22 56 140 0 313
ABS. 76 14 0 0 0 0 0 0 90 14 0 0 0 0 0 0 58
REL. 84.4 15.5 0.0 0.0 0.0 0.0 0.0 0.0 100.0 15.6 0.0 0.0 0.0 0.0 0.0 0.0 2.4
ID 84 15 0 0 0 0 0 0 100
ABS. 54 37 0 0 0 0 0 0 91 37 0 0 0 0 0 0 65
REL. 59.3 40.6 0.0 0.0 0.0 0.0 0.0 0.0100.0 40.7 0.0 0.0 0.0 0.0 0.0 0.0 18.8
ID 59 40 0 0 0 0 0 0 100
ABS. 31 44 15 2 0 0 0 0 92 61 17 2 0 0 0 0 109
REL 33.6 47.8 16.3 2.1 0.0 0.0 0.0 0.0100.0 66.3 18.5 2.2 0.0 0.0 0.0 0.031.12
ID 33 47 16 4 0 0 0 0 102
Year
ABS. 195 136 20 4 4 2 1 0 362 167 31 11 7 3 1 0 303
REL. 53.8 37.5 5.5 1.1 1.1 0.5 0.2 0.0100.0 46.1 8.6 3.0 1.9 0.8 0.3 0.0 17.1
ID 53 37 5 2 5 13 34 0 153

Note:

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

Detailed overview of ambient air pollution valuis from individual stations - selection station