Detailed overview of ambient air pollution valuis from individual stations

1125 - Ostrov n.Ohri

Year: 1997
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 71 52 64 29 35 44 50 36 45 44 65 73 59 110 139 162 160 151 145 129 113 66 61 87 122 88 39 53 66 49 33 78.71 162.00 31.00
2 24 38 63 56 43 31 67 97 58 93 67 46 47 22 41 26 22 38 26 33 25 38 36 99 53 31 17 46 ~ ~ ~ 45.82 99.00 28.00
3 68 78 62 57 53 53 81 52 98 77 94 93 100 56 44 25 43 32 52 65 72 25 24 24 30 56 53 43 20 19 27 54.06 100.00 31.00
4 39 96 89 39 30 24 27 ~ 64 75 27 76 90 29 22 19 24 40 24 30 63 44 58 76 50 60 21 31 29 16 ~ 45.24 96.00 29.00
5 27 29 36 59 36 28 18 24 32 17 36 46 25 38 80 39 71 85 31 39 27 27 16 31 19 35 44 24 27 13 15 34.65 85.00 31.00
6 18 27 33 59 48 37 49 43 33 50 87 89 44 60 22 19 22 17 24 12 23 18 21 23 29 34 19 39 39 69 ~ 36.90 89.00 30.00
7 38 38 20 25 22 5.00 5.00 6.00 7.00 15 24 39 40 38 32 27 23 25 28 28 15 21 24 10 10 10 18 13 24 26 31 22.16 40.00 31.00
8 26 17 22 22 26 21 41 21 44 22 48 23 72 79 28 12 12 10 9.00 9.00 17 4.00 4.00 21 6.00 4.00 48 63 21 37 23 26.19 79.00 31.00
9 20 34 42 24 17 19 15 6.00 30 16 10 41 10 35 46 60 120 91 43 41 48 10 110 50 63 70 62 39 52 96 ~ 44.00 120.00 30.00
10 54 32 12 19 8.00 54 71 86 53 40 24 24 30 28 38 53 79 79 84 77 45 57 88 44 10 21 28 37 51 89 47 47.16 89.00 31.00
11 ~ ~ ~ 26 29 32 55 67 46 61 68 59 17 55 64 54 43 33 27 115 39 80 51 73 51 66 79 62 72 70 ~ 55.33 115.00 27.00
12 84 90 49 58 27 47 40 45 78 75 68 54 49 34 101 31 44 35 108 51 95 102 95 76 30 26 34 20 40 32 50 57.03 108.00 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. 21 42 18 6 3 0 0 0 90 69 27 9 3 0 0 0 162
REL. 23.3 46.6 20.0 6.6 3.3 0.0 0.0 0.0 100.0 76.7 30.0 10.0 3.3 0.0 0.0 0.016.1
ID 23 46 20 13 16 0 0 0 120
ABS. 48 30 12 0 0 0 0 0 90 42 12 0 0 0 0 0 96
REL. 53.3 33.3 13.3 0.0 0.0 0.0 0.0 0.0 100.0 46.7 13.3 0.0 0.0 0.0 0.0 0.0 2.4
ID 53 33 13 0 0 0 0 0 100
ABS. 60 25 5 2 0 0 0 0 92 32 7 2 0 0 0 0 120
REL. 65.2 27.1 5.4 2.1 0.0 0.0 0.0 0.0100.0 34.8 7.6 2.2 0.0 0.0 0.0 0.0 17.9
ID 65 27 5 4 0 0 0 0 102
ABS. 23 39 23 4 0 0 0 0 89 66 27 4 0 0 0 0 115
REL 25.8 43.8 25.8 4.4 0.0 0.0 0.0 0.0100.0 74.2 30.3 4.5 0.0 0.0 0.0 0.020.11
ID 25 43 25 8 0 0 0 0 104
Year
ABS. 152 136 58 12 3 0 0 0 361 209 73 15 3 0 0 0 162
REL. 42.1 37.6 16.0 3.3 0.8 0.0 0.0 0.0100.0 57.9 20.2 4.2 0.8 0.0 0.0 0.0 16.1
ID 42 37 16 6 4 0 0 0 106

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