Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1075 - Olomouc
Code:CZOLCMOLO
Institution:Czech Hydrometeorological Institute
Region:Olomoucky
District:Olomouc
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 29 11 26 76 137 149 214 84 39 51 40 30 44 43 35 29 30 48 48 45 97 57 98 77 28 31 44 39 44 57 140 61.85 214.24 31.00
2 79 91 65 78 44 61 56 52 31 13 33 14 21 25 87 127 38 46 20 28 16 24 12 12 46 33 22 33 ~ ~ ~ 43.13 127.36 28.00
3 31 13 20 63 75 60 12 40 25 48 55 57 78 25 23 25 41 61 40 42 39 7.68 7.10 3.16 6.16 7.29 14 22 29 46 37 33.96 78.21 31.00
4 20 17 20 16 13 13 20 23 24 23 29 29 23 19 32 31 24 20 18 12 9 20 14 16 28 20 11 12 22 23 ~ 19.95 31.78 30.00
5 19 14 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 20 27 19 11 11 15 17 20 23 18 19 14 26 18 13 14 17 17.71 27.38 19.00
6 5.06 15 19 30 17 21 16 14 10 11 25 36 14 17 13 10 15 22 25 18 9 12 12 19 12 19 20 16 10 18 ~ 16.66 35.51 30.00
7 15 11 15 14 12 10 12 19 24 15 16 10 ~ ~ ~ 11 23 13 12 9 12 19 20 14 11 11 12 15 16 18 21 14.63 24.06 28.00
8 18 14 13 10 15 16 20 20 19 14 13 21 13 11 12 17 10 18 24 26 22 18 29 21 20 31 35 27 22 22 12 18.81 34.87 31.00
9 6.87 30 42 42 24 16 16 24 41 43 16 20 23 14 10 34 55 48 60 32 19 27 21 33 34 39 22 14 26 34 ~ 28.85 59.63 30.00
10 45 83 80 41 26 21 27 40 43 30 22 16 36 42 39 48 39 28 43 52 66 74 48 ~ 37 14 15 ~ ~ 39 44 40.69 83.41 28.00
11 43 24 25 29 12 58 64 65 21 49 75 98 57 49 42 22 37 104 53 37 61 62 38 81 77 116 97 53 41 37 ~ 54.18 115.70 30.00
12 40 36 73 45 28 24 23 20 53 109 124 59 47 117 73 55 62 59 92 76 69 81 47 71 65 28 35 52 67 49 19 57.97 124.31 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 35 11 4 0 1 0 0 90 51 16 5 1 1 0 0 214
REL. 43.3 38.8 12.2 4.4 0.0 1.1 0.0 0.0 100.0 56.7 17.8 5.6 1.1 1.1 0.0 0.07.1
ID 43 38 12 8 0 27 0 0 131
ABS. 78 1 0 0 0 0 0 0 79 1 0 0 0 0 0 0 36
REL. 98.7 1.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 1.3 0.0 0.0 0.0 0.0 0.0 0.0 12.6
ID 98 1 0 0 0 0 0 0 100
ABS. 77 12 0 0 0 0 0 0 89 12 0 0 0 0 0 0 60
REL. 86.5 13.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 13.5 0.0 0.0 0.0 0.0 0.0 0.0 19.9
ID 86 13 0 0 0 0 0 0 100
ABS. 21 48 15 5 0 0 0 0 89 68 20 5 0 0 0 0 124
REL 23.5 53.9 16.8 5.6 0.0 0.0 0.0 0.0100.0 76.4 22.5 5.6 0.0 0.0 0.0 0.011.12
ID 23 53 16 11 0 0 0 0 105
Year
ABS. 215 96 26 9 0 1 0 0 347 132 36 10 1 1 0 0 214
REL. 61.9 27.6 7.4 2.5 0.0 0.2 0.0 0.0100.0 38.0 10.4 2.9 0.3 0.3 0.0 0.0 7.1
ID 61 27 7 5 0 7 0 0 109

Note:

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