Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1125 - Ostrov n.Ohri
Code:CZKVHSONO
Institution:Public Health Service
Region:Zapadocesky
District:Karlovy Vary
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 19 23 19 23 30 35 50 52 46 26 26 24 18 24 39 33 17 13 17 23 20 23 25 36 62 80 47 51 16 24 37 31.55 80.00 31.00
2 15 6.00 18 21 38 31 18 18 16 22 33 49 26 16 37 34 27 42 26 26 32 25 41 40 53 57 37 ~ 46 ~ ~ 30.36 57.00 28.00
3 22 24 27 28 19 17 28 64 38 17 23 20 19 41 27 21 18 13 26 19 26 41 65 41 39 37 38 69 38 31 19 30.81 69.00 31.00
4 16 23 21 26 44 24 16 19 32 41 53 55 56 35 32 26 31 24 44 50 61 24 47 30 19 42 27 16 20 32 ~ 32.87 61.00 30.00
5 31 34 42 95 72 71 78 56 47 75 65 64 31 59 87 119 190 73 82 33 41 18 36 50 78 34 28 35 13 29 46 58.45 190.00 31.00
6 68 142 79 73 74 43 48 40 64 49 84 47 54 50 54 48 37 99 117 171 306 211 77 49 44 14 4.00 4.00 5.00 4.00 ~ 71.97 306.00 30.00
7 4.00 7.00 49 30 21 19 27 27 26 36 28 23 28 20 18 18 20 20 22 18 6.00 4.00 18 22 37 16 31 27 34 25 29 22.90 49.00 31.00
8 40 158 89 42 48 14 51 50 54 43 35 76 95 206 183 87 104 66 93 92 126 75 52 54 21 29 22 50 29 58 58 70.97 206.00 31.00
9 55 17 10 12 8.00 11 4.00 8.00 17 25 26 32 62 57 25 19 18 38 47 24 35 60 50 75 73 70 120 57 45 31 ~ 37.70 120.00 30.00
10 39 31 39 43 56 66 56 46 31 43 53 63 86 89 96 30 55 58 46 75 33 66 64 63 88 50 34 50 55 93 78 57.26 96.00 31.00
11 70 68 68 54 65 55 46 51 32 80 57 94 108 92 80 100 126 98 80 97 66 169 95 66 73 50 42 74 81 60 ~ 76.57 169.00 30.00
12 95 60 116 76 62 60 51 38 59 91 16 78 107 57 58 46 50 46 82 92 155 59 51 69 116 93 94 51 66 67 41 71.03 155.00 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. 57 31 2 0 0 0 0 0 90 33 2 0 0 0 0 0 80
REL. 63.3 34.4 2.2 0.0 0.0 0.0 0.0 0.0 100.0 36.7 2.2 0.0 0.0 0.0 0.0 0.026.1
ID 63 34 2 0 0 0 0 0 100
ABS. 31 37 16 3 2 1 1 0 91 60 23 7 4 2 1 0 306
REL. 34.0 40.6 17.5 3.2 2.1 1.0 1.0 0.0 100.0 65.9 25.3 7.7 4.4 2.2 1.1 0.0 21.6
ID 34 40 17 6 10 27 137 0 274
ABS. 48 28 10 3 2 1 0 0 92 44 16 6 3 1 0 0 206
REL. 52.1 30.4 10.8 3.2 2.1 1.0 0.0 0.0100.0 47.8 17.4 6.5 3.3 1.1 0.0 0.0 14.8
ID 52 30 10 6 10 27 0 0 138
ABS. 6 47 32 5 2 0 0 0 92 86 39 7 2 0 0 0 169
REL 6.5 51.0 34.7 5.4 2.1 0.0 0.0 0.0100.0 93.5 42.4 7.6 2.2 0.0 0.0 0.022.11
ID 6 51 34 10 10 0 0 0 114
Year
ABS. 142 143 60 11 6 2 1 0 365 223 80 20 9 3 1 0 306
REL. 38.9 39.1 16.4 3.0 1.6 0.5 0.2 0.0100.0 61.1 21.9 5.5 2.5 0.8 0.3 0.0 21.6
ID 38 39 16 6 8 13 34 0 156

Note:

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