Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 954 - Drahotuse
Code:CZPRCMDRA
Institution:Czech Hydrometeorological Institute
Region:Olomoucky
District:Prerov
IHd: 100
Measure method:guajacol (modif. Jakobs-Hochheiser) - spectrophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ ~ ~ ~ ~ ~ ~ 34 33 23 35 54 58 65 19 30 22 35 41 85 75 130 94 67 31 61 31 68 119 167 59.87 167.00 23.00
2 157 93 35 89 77 50 69 43 26 32 26 15 44 40 69 96 36 46 13 14 48 13 9.00 23 42 11 31 113 ~ ~ ~ 48.57 157.00 28.00
3 51 28 49 93 97 31 20 73 33 98 53 123 114 41 41 43 64 130 36 48 51 30 15 16 24 34 35 46 53 43 33 53.10 130.00 31.00
4 33 ~ 39 42 33 38 47 57 45 47 45 33 34 18 45 64 44 60 26 16 13 33 28 33 47 27 35 31 25 34 ~ 36.97 64.00 29.00
5 28 13 29 10 16 27 30 40 33 18 23 27 32 20 40 35 20 18 16 32 31 18 27 27 29 ~ 34 24 29 39 28 26.43 40.00 30.00
6 16 25 30 36 19 ~ 16 13 18 23 24 31 21 28 14 24 21 49 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 24.00 49.00 17.00
7 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 37 32 19 20 27 36 33 18 19 20 16 32 27 39 39 30 28 39 42 30 25 28.95 42.00 21.00
8 18 15 11 14 19 27 37 35 30 17 21 16 13 22 37 26 27 28 31 32 29 39 29 38 32 41 44 35 51 42 20 28.26 51.00 31.00
9 25 40 64 44 36 26 25 43 50 43 32 52 58 27 20 36 35 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 38.59 64.00 17.00
10 ~ ~ ~ ~ ~ ~ ~ ~ 47 41 29 18 25 28 20 38 31 26 29 36 35 56 46 47 23 14 7.00 13 54 52 32 32.48 56.00 23.00
11 26 21 47 52 45 107 64 123 21 85 52 57 72 48 11 6.00 60 61 36 42 78 50 43 81 96 84 57 107 72 30 ~ 57.80 123.00 30.00
12 84 50 47 54 48 29 26 26 73 98 103 52 56 75 99 69 71 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 62.35 103.00 17.00

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. 27 32 15 6 2 0 0 0 82 55 23 8 2 0 0 0 167
REL. 32.9 39.0 18.2 7.3 2.4 0.0 0.0 0.0 100.0 67.1 28.0 9.8 2.4 0.0 0.0 0.031.1
ID 32 39 18 14 12 0 0 0 117
ABS. 53 23 0 0 0 0 0 0 76 23 0 0 0 0 0 0 64
REL. 69.7 30.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 30.3 0.0 0.0 0.0 0.0 0.0 0.0 16.4
ID 69 30 0 0 0 0 0 0 100
ABS. 42 27 0 0 0 0 0 0 69 27 0 0 0 0 0 0 64
REL. 60.8 39.1 0.0 0.0 0.0 0.0 0.0 0.0100.0 39.1 0.0 0.0 0.0 0.0 0.0 0.0 3.9
ID 60 39 0 0 0 0 0 0 100
ABS. 22 30 14 4 0 0 0 0 70 48 18 4 0 0 0 0 123
REL 31.4 42.8 20.0 5.7 0.0 0.0 0.0 0.0100.0 68.6 25.7 5.7 0.0 0.0 0.0 0.0 8.11
ID 31 42 20 11 0 0 0 0 105
Year
ABS. 144 112 29 10 2 0 0 0 297 153 41 12 2 0 0 0 167
REL. 48.4 37.7 9.7 3.3 0.6 0.0 0.0 0.0100.0 51.5 13.8 4.0 0.7 0.0 0.0 0.0 31.1
ID 48 37 9 6 3 0 0 0 106

Note:

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