Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1075 - Olomouc
Code:CZOLCMOLO
Institution:Czech Hydrometeorological Institute
Region:Severomoravsky
District:Olomouc
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 39 57 71 55 82 133 63 33 36 49 42 90 50 43 27 42 36 16 19 34 10 28 17 49 80 76 59 51 26 22 29 47.23 133.04 31.00
2 102 74 20 63 80 38 64 34 18 40 ~ ~ ~ ~ ~ 43 29 37 30 17 18 32 60 44 25 22 42 44 39 ~ ~ 42.31 101.82 24.00
3 39 24 30 11 13 33 26 15 12 27 17 24 38 32 13 18 15 8.77 8.01 20 23 47 52 35 35 34 37 52 32 23 27 26.53 51.54 31.00
4 15 31 25 29 16 10 14 13 21 34 32 30 25 24 14 35 36 27 32 27 24 20 17 11 17 19 23 19 14 11 ~ 22.18 36.16 30.00
5 11 16 24 25 23 20 14 21 22 17 13 10 10 9 23 25 19 12 19 12 20 17 18 28 16 21 8.49 9 18 13 11 16.95 27.54 31.00
6 19 17 14 18 21 8.73 15 15 20 15 11 10 13 12 11 8.35 7.44 16 21 24 33 19 8.75 8.20 15 14 20 13 14 17 ~ 15.26 32.54 30.00
7 15 16 18 14 11 16 12 6.63 12 20 32 29 21 17 7.89 6.22 12 22 13 17 22 11 20 28 18 20 19 17 5.66 7.60 11 16.08 31.99 31.00
8 20 16 17 11 9 12 12 15 18 27 21 8.41 12 14 22 19 20 25 16 22 19 8.86 12 17 10 12 20 31 20 24 40 17.82 40.47 31.00
9 25 15 9 12 16 24 36 28 28 31 33 33 30 23 21 18 12 19 20 21 16 14 18 19 38 51 44 46 31 11 ~ 24.66 51.21 30.00
10 12 25 37 56 63 33 16 17 30 25 20 21 23 46 75 40 39 20 47 29 28 47 72 73 46 54 47 25 34 43 27 37.75 74.82 31.00
11 45 30 25 16 26 17 26 56 69 87 36 59 122 61 37 60 57 31 33 51 45 73 43 47 75 30 44 51 117 119 ~ 53.00 121.66 30.00
12 96 31 23 39 36 45 32 49 40 33 59 74 96 59 39 10 23 53 25 47 50 77 29 38 29 50 73 40 45 26 30 45.08 96.26 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. 41 36 7 2 0 0 0 0 86 45 9 2 0 0 0 0 133
REL. 47.6 41.8 8.1 2.3 0.0 0.0 0.0 0.0 100.0 52.3 10.5 2.3 0.0 0.0 0.0 0.06.1
ID 47 41 8 4 0 0 0 0 102
ABS. 88 3 0 0 0 0 0 0 91 3 0 0 0 0 0 0 36
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 17.4
ID 96 3 0 0 0 0 0 0 100
ABS. 86 6 0 0 0 0 0 0 92 6 0 0 0 0 0 0 51
REL. 93.4 6.5 0.0 0.0 0.0 0.0 0.0 0.0100.0 6.5 0.0 0.0 0.0 0.0 0.0 0.0 26.9
ID 93 6 0 0 0 0 0 0 100
ABS. 35 42 12 3 0 0 0 0 92 57 15 3 0 0 0 0 122
REL 38.0 45.6 13.0 3.2 0.0 0.0 0.0 0.0100.0 62.0 16.3 3.3 0.0 0.0 0.0 0.013.11
ID 38 45 13 6 0 0 0 0 103
Year
ABS. 250 87 19 5 0 0 0 0 361 111 24 5 0 0 0 0 133
REL. 69.2 24.0 5.2 1.3 0.0 0.0 0.0 0.0100.0 30.7 6.6 1.4 0.0 0.0 0.0 0.0 6.1
ID 69 24 5 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