Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1125 - Ostrov n.Ohri
Code:CZKVHSONO
Institution:Public Health Service
Region:Karlovarsky
District:Karlovy Vary
IHd: 100
Measure method:triethanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 35 26 57 143 141 ~ 147 145 119 122 134 87 84 43 55 38 51 39 67 48 21 38 48 63 47 33 26 14 18 33 53 65.83 147.00 30.00
2 47 27 81 64 96 130 51 73 37 32 37 44 19 29 24 25 23 54 23 17 9.00 24 57 18 47 40 22 35 ~ ~ ~ 42.32 130.00 28.00
3 13 41 33 27 29 61 108 26 17 63 24 41 64 83 31 30 28 18 22 22 44 24 18 20 15 14 20 29 34 57 64 36.13 108.00 31.00
4 49 50 18 16 30 28 18 18 35 16 13 17 18 19 14 60 46 66 45 70 14 36 13 19 34 32 15 12 22 21 ~ 28.80 70.00 30.00
5 56 67 39 17 15 6.00 12 6.00 6.00 7.00 8.00 9.00 6.00 6.00 8.00 21 32 20 9.00 6.00 10 9.00 21 17 15 7.00 7.00 8.00 6.00 13 25 15.94 67.00 31.00
6 21 29 21 20 14 5.00 16 11 18 19 20 36 35 35 36 31 19 28 35 31 16 7.00 21 6.00 9.00 11 29 17 6.00 17 ~ 20.63 36.00 30.00
7 33 23 15 16 12 8.00 6.00 9.00 6.00 19 22 17 20 29 17 6.00 27 32 5.00 6.00 8.00 9.00 12 14 11 11 13 19 16 19 14 15.29 33.00 31.00
8 5.00 7.00 9.00 11 6.00 8.00 10 5.00 8.00 11 5.00 14 11 8.00 7.00 10 11 9.00 6.00 12 23 12 15 17 15 23 6.00 8.00 10 16 17 10.81 23.00 31.00
9 6.00 16 8.00 11 16 20 15 15 9.00 14 16 10 16 39 13 6.00 10 10 19 18 12 10 7.00 11 11 6.00 11 7.00 8.00 13 ~ 12.77 39.00 30.00
10 4.00 14 5.00 6.00 11 15 14 12 12 15 19 12 16 4.00 4.00 7.00 4.00 4.00 7.00 4.00 4.00 6.00 17 10 16 4.00 14 22 4.00 8.00 11 9.84 22.00 31.00
11 5.00 11 9.00 4.00 7.00 4.00 14 4.00 5.00 10 4.00 19 9.00 4.00 4.00 4.00 37 20 18 4.00 4.00 9.00 4.00 35 14 11 11 10 4.00 4.00 ~ 10.07 37.00 30.00
12 24 30 28 18 36 41 25 33 18 41 56 63 29 18 24 39 68 45 27 19 43 58 63 52 69 42 38 65 42 37 53 40.13 69.00 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. 40 33 7 9 0 0 0 0 89 49 16 9 0 0 0 0 147
REL. 44.9 37.0 7.8 10.1 0.0 0.0 0.0 0.0 100.0 55.1 18.0 10.1 0.0 0.0 0.0 0.07.1
ID 44 37 7 20 0 0 0 0 110
ABS. 73 16 2 0 0 0 0 0 91 18 2 0 0 0 0 0 70
REL. 80.2 17.5 2.1 0.0 0.0 0.0 0.0 0.0 100.0 19.8 2.2 0.0 0.0 0.0 0.0 0.0 20.4
ID 80 17 2 0 0 0 0 0 100
ABS. 91 1 0 0 0 0 0 0 92 1 0 0 0 0 0 0 39
REL. 98.9 1.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 14.9
ID 98 1 0 0 0 0 0 0 100
ABS. 71 19 2 0 0 0 0 0 92 21 2 0 0 0 0 0 69
REL 77.1 20.6 2.1 0.0 0.0 0.0 0.0 0.0100.0 22.8 2.2 0.0 0.0 0.0 0.0 0.025.12
ID 77 20 2 0 0 0 0 0 100
Year
ABS. 275 69 11 9 0 0 0 0 364 89 20 9 0 0 0 0 147
REL. 75.5 18.9 3.0 2.4 0.0 0.0 0.0 0.0100.0 24.5 5.5 2.5 0.0 0.0 0.0 0.0 7.1
ID 75 18 3 4 0 0 0 0 102

Note:

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