Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
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:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 48 45 67 75 80 69 54 54 63 78 94 98 115 106 64 79 53 82 103 54 40 15 29 41 63 59 69 42 17 84 104 65.94 115.00 31.00
2 52 51 51 45 8.00 17 62 56 54 28 50 28 37 43 70 80 53 28 6.00 13 16 16 16 15 40 21 35 23 ~ ~ ~ 36.21 80.00 28.00
3 27 26 21 19 26 15 37 31 41 53 25 9.00 6.00 16 26 41 34 34 22 15 18 23 9.00 12 24 18 14 26 44 39 24 25.00 53.00 31.00
4 21 31 33 35 16 26 29 26 15 12 24 16 12 9.00 11 14 9.00 14 12 22 7.00 10 13 35 16 13 7.00 17 22 28 ~ 18.50 35.00 30.00
5 20 13 18 10 4.00 9.00 11 7.00 25 26 20 9.00 15 13 17 15 21 13 13 19 6.00 4.00 14 32 38 24 19 8.00 8.00 6.00 12 15.13 38.00 31.00
6 9.00 11 9.00 10 4.00 14 17 15 4.00 8.00 4.00 4.00 9.00 22 29 18 10 4.00 4.00 12 20 15 8.00 5.00 10 12 20 13 31 18 ~ 12.30 31.00 30.00
7 29 16 22 10 36 12 18 6.00 8.00 4.00 13 9.00 6.00 10 6.00 5.00 6.00 6.00 25 10 11 18 19 15 12 30 25 23 20 17 17 14.97 36.00 31.00
8 9.00 5.00 5.00 4.00 7.00 8.00 9.00 9.00 10 15 5.00 6.00 4.00 22 10 10 9.00 13 13 12 10 8.00 10 13 19 22 26 23 24 15 11 11.81 26.00 31.00
9 8.00 14 7.00 7.00 12 34 11 14 20 30 36 30 48 33 40 27 13 29 16 14 13 19 16 4.00 12 5.00 12 25 8.00 9.00 ~ 18.87 48.00 30.00
10 8.00 31 56 55 7.00 7.00 5.00 4.00 6.00 4.00 8.00 4.00 10 6.00 12 71 57 23 45 82 23 38 45 35 64 81 68 43 32 27 40 32.16 82.00 31.00
11 34 15 24 40 10 55 18 22 30 29 64 74 81 26 58 29 89 50 57 26 40 34 23 42 43 56 61 43 33 62 ~ 42.27 89.00 30.00
12 16 48 48 15 42 67 27 39 50 68 61 79 17 56 97 23 13 25 34 45 30 21 20 19 34 11 16 13 27 38 43 36.84 97.00 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. 39 34 13 4 0 0 0 0 90 51 17 4 0 0 0 0 115
REL. 43.3 37.7 14.4 4.4 0.0 0.0 0.0 0.0 100.0 56.7 18.9 4.4 0.0 0.0 0.0 0.013.1
ID 43 37 14 8 0 0 0 0 104
ABS. 88 3 0 0 0 0 0 0 91 3 0 0 0 0 0 0 38
REL. 96.7 3.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 3.3 0.0 0.0 0.0 0.0 0.0 0.0 25.5
ID 96 3 0 0 0 0 0 0 100
ABS. 87 5 0 0 0 0 0 0 92 5 0 0 0 0 0 0 48
REL. 94.5 5.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 5.4 0.0 0.0 0.0 0.0 0.0 0.0 13.9
ID 94 5 0 0 0 0 0 0 100
ABS. 44 37 11 0 0 0 0 0 92 48 11 0 0 0 0 0 97
REL 47.8 40.2 11.9 0.0 0.0 0.0 0.0 0.0100.0 52.2 12.0 0.0 0.0 0.0 0.0 0.015.12
ID 47 40 11 0 0 0 0 0 100
Year
ABS. 258 79 24 4 0 0 0 0 365 107 28 4 0 0 0 0 115
REL. 70.6 21.6 6.5 1.0 0.0 0.0 0.0 0.0100.0 29.3 7.7 1.1 0.0 0.0 0.0 0.0 13.1
ID 70 21 6 2 0 0 0 0 101

Note:

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