Detailed overview of ambient air pollution valuis from individual stations


Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1076 - Prerov
Code:CZPRCMPRE
Institution:Czech Hydrometeorological Institute
Region:Olomoucky
District:Prerov
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 22 19 29 110 125 99 150 59 53 46 44 37 48 65 ~ 35 36 40 43 27 56 59 52 65 35 22 28 24 30 52 106 53.89 149.74 30.00
2 59 61 28 65 64 53 59 37 23 16 22 19 27 19 50 69 40 53 28 21 26 23 13 16 38 25 23 34 ~ ~ ~ 36.06 69.06 28.00
3 25 19 21 47 64 55 19 37 18 32 43 48 53 39 21 29 26 39 33 34 37 17 10 6.20 12 15 31 29 44 43 29 31.45 64.20 31.00
4 20 26 21 23 18 18 24 35 32 27 25 19 20 22 37 40 38 35 31 18 16 39 21 26 33 21 22 12 22 23 ~ 25.48 39.80 30.00
5 14 13 15 8.44 12 18 18 19 17 14 11 15 22 23 27 25 15 12 13 20 15 14 16 20 23 17 26 20 21 24 19 17.62 27.35 31.00
6 7.19 16 17 22 11 18 13 13 11 18 19 21 15 18 11 11 18 22 18 16 10 11 9 27 16 17 16 22 11 12 ~ 15.57 26.78 30.00
7 12 11 12 20 10 9 15 19 15 12 15 14 10 12 17 16 17 18 22 11 12 22 21 18 19 16 14 16 19 16 15 15.42 22.43 31.00
8 15 17 12 12 19 16 23 22 15 8.48 11 15 18 24 31 18 15 21 22 18 21 32 29 16 21 21 18 23 29 30 16 19.50 31.79 31.00
9 10 19 26 24 23 23 17 23 29 49 25 24 28 20 14 33 36 38 40 30 19 23 19 18 34 38 27 20 28 43 ~ 26.65 48.70 30.00
10 58 78 49 40 21 19 30 35 42 32 21 16 32 31 36 48 39 34 32 39 64 87 68 45 36 18 14 15 44 43 39 38.83 86.87 31.00
11 42 26 31 41 24 54 41 53 21 55 69 75 65 27 21 11 41 87 48 51 90 34 30 64 60 102 67 67 61 34 ~ 49.72 102.11 30.00
12 43 45 63 62 46 22 25 21 51 103 100 59 56 91 105 53 55 59 84 80 73 74 54 66 77 27 37 64 49 32 21 57.96 104.86 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 42 2 4 0 0 0 0 89 48 6 4 0 0 0 0 150
REL. 46.0 47.1 2.2 4.4 0.0 0.0 0.0 0.0 100.0 53.9 6.7 4.5 0.0 0.0 0.0 0.07.1
ID 46 47 2 8 0 0 0 0 104
ABS. 85 6 0 0 0 0 0 0 91 6 0 0 0 0 0 0 40
REL. 93.4 6.5 0.0 0.0 0.0 0.0 0.0 0.0 100.0 6.6 0.0 0.0 0.0 0.0 0.0 0.0 16.4
ID 93 6 0 0 0 0 0 0 100
ABS. 84 8 0 0 0 0 0 0 92 8 0 0 0 0 0 0 49
REL. 91.3 8.6 0.0 0.0 0.0 0.0 0.0 0.0100.0 8.7 0.0 0.0 0.0 0.0 0.0 0.0 10.9
ID 91 8 0 0 0 0 0 0 100
ABS. 26 47 16 3 0 0 0 0 92 66 19 3 0 0 0 0 105
REL 28.2 51.0 17.3 3.2 0.0 0.0 0.0 0.0100.0 71.7 20.7 3.3 0.0 0.0 0.0 0.015.12
ID 28 51 17 6 0 0 0 0 103
Year
ABS. 236 103 18 7 0 0 0 0 364 128 25 7 0 0 0 0 150
REL. 64.8 28.2 4.9 1.9 0.0 0.0 0.0 0.0100.0 35.2 6.9 1.9 0.0 0.0 0.0 0.0 7.1
ID 64 28 4 3 0 0 0 0 101

Note:

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