Detailed overview of ambient air pollution valuis from individual stations


Year: 2001
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 44 49 62 61 44 51 29 28 40 113 67 94 46 65 154 55 55 66 65 27 32 36 39 42 53 64 39 35 26 12 10 51.77 153.67 31.00
2 14 20 26 39 51 69 108 77 70 19 64 85 35 69 117 131 26 14 21 16 12 13 18 14 26 39 39 25 ~ ~ ~ 44.74 130.88 28.00
3 42 39 48 45 36 52 30 34 45 28 33 31 34 42 36 46 24 44 24 13 35 64 38 30 28 15 14 22 37 44 19 34.59 64.03 31.00
4 46 62 48 32 22 31 20 13 21 39 27 14 7.06 9 12 19 21 26 23 15 10 9 15 28 26 29 28 17 30 17 ~ 23.90 61.71 30.00
5 23 20 32 20 10 8.49 8.13 11 15 13 7.95 4.89 16 16 18 26 18 11 16 11 11 14 16 24 14 14 12 14 11 14 19 15.08 32.44 31.00
6 14 12 8.42 11 18 18 31 17 11 15 15 18 17 15 19 12 12 19 29 13 12 11 5.64 9 16 16 15 19 18 10 ~ 15.19 30.88 30.00
7 11 10 19 22 13 10 7.69 13 16 17 16 18 12 14 15 11 10 10 13 10 5.20 6.10 12 8.16 10 11 11 7.23 7.61 10 21 12.13 21.89 31.00
8 9 17 14 6.27 16 21 21 17 20 15 5.96 15 23 24 28 25 17 14 18 14 13 13 16 14 11 13 16 10 13 28 21 16.44 28.16 31.00
9 12 13 34 18 17 14 19 11 12 22 18 43 42 32 15 16 17 45 31 37 28 14 21 27 16 15 29 23 22 24 ~ 22.89 45.15 30.00
10 29 51 52 36 45 38 32 60 72 69 62 54 56 38 85 35 33 34 58 21 28 42 25 38 43 41 27 30 64 104 58 47.09 104.00 31.00
11 17 52 40 35 53 61 31 27 25 31 33 41 14 23 57 52 48 18 64 30 54 42 14 12 18 73 55 62 83 32 ~ 39.95 82.78 30.00
12 20 31 33 47 54 56 40 18 57 102 122 61 45 63 51 16 117 73 52 32 49 54 23 25 21 36 64 34 25 24 16 47.05 122.11 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. 34 44 7 4 1 0 0 0 90 56 12 5 1 0 0 0 154
REL. 37.7 48.8 7.7 4.4 1.1 0.0 0.0 0.0 100.0 62.2 13.3 5.6 1.1 0.0 0.0 0.015.1
ID 37 48 7 8 5 0 0 0 108
ABS. 87 4 0 0 0 0 0 0 91 4 0 0 0 0 0 0 62
REL. 95.6 4.3 0.0 0.0 0.0 0.0 0.0 0.0 100.0 4.4 0.0 0.0 0.0 0.0 0.0 0.0 2.4
ID 95 4 0 0 0 0 0 0 100
ABS. 87 5 0 0 0 0 0 0 92 5 0 0 0 0 0 0 45
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 18.9
ID 94 5 0 0 0 0 0 0 100
ABS. 33 49 6 4 0 0 0 0 92 59 10 4 0 0 0 0 122
REL 35.8 53.2 6.5 4.3 0.0 0.0 0.0 0.0100.0 64.1 10.9 4.3 0.0 0.0 0.0 0.011.12
ID 35 53 6 8 0 0 0 0 104
Year
ABS. 241 102 13 8 1 0 0 0 365 124 22 9 1 0 0 0 154
REL. 66.0 27.9 3.5 2.1 0.2 0.0 0.0 0.0100.0 34.0 6.0 2.5 0.3 0.0 0.0 0.0 15.1
ID 66 27 3 4 1 0 0 0 103

Note:

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