Detailed overview of ambient air pollution valuis from individual stations

1076 - Prerov

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1076 - Prerov
Code:CZPRCMPRE
Institution:CHMI
Region:Severomoravsky
District:Prerov
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 85 111 90 77 35 86 212 260 53 103 97 93 62 84 76 90 57 35 33 65 98 57 44 78 55 112 147 65 108 84 48 87.14 260.05 31.00
2 33 46 155 79 59 73 67 59 83 76 66 46 35 45 31 11 48 32 53 48 29 39 107 88 22 29 40 46 ~ ~ ~ 55.15 154.54 28.00
3 62 40 77 71 88 63 25 38 35 59 52 79 57 46 30 13 28 25 36 15 31 38 23 25 42 32 83 16 13 14 34 41.63 88.46 31.00
4 52 53 42 19 12 10 18 32 49 35 23 10 20 27 24 24 33 34 15 14 22 20 26 21 22 33 19 23 31 24 ~ 26.13 52.87 30.00
5 14 28 23 42 18 14 21 25 25 12 11 ~ ~ 30 31 18 17 19 30 22 27 24 18 6.15 12 20 23 20 20 14 11 20.56 41.65 29.00
6 9 23 20 22 16 23 17 12 20 18 20 23 14 8.84 18 18 23 29 16 21 6.54 13 18 23 21 9 8.03 9 7.69 10 ~ 16.47 28.66 30.00
7 17 12 16 13 9 10 ~ ~ ~ ~ ~ ~ ~ 25 29 22 16 23 11 14 41 34 18 19 21 11 18 20 28 23 17 19.40 41.13 24.00
8 20 10 31 26 21 23 24 22 14 23 28 25 29 40 33 14 19 27 33 26 27 35 19 21 28 24 26 21 25 13 35 24.57 39.97 31.00
9 33 30 32 33 22 15 27 27 21 38 38 27 17 29 38 44 42 41 23 18 35 57 58 46 44 47 29 33 48 57 ~ 34.99 57.54 30.00
10 45 20 32 24 39 73 109 49 39 31 17 20 48 33 43 46 73 46 76 86 51 95 80 50 21 29 38 62 70 82 56 51.07 109.22 31.00
11 100 78 44 35 41 23 21 19 25 54 56 17 44 34 44 26 23 19 52 103 74 71 66 90 141 135 63 92 64 53 ~ 56.92 140.60 30.00
12 85 48 35 35 54 47 43 69 60 52 48 53 27 21 21 47 38 31 54 87 71 129 58 41 23 20 27 50 58 61 49 49.81 129.41 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. 21 37 23 6 1 2 0 0 90 69 32 9 3 2 0 0 260
REL. 23.3 41.1 25.5 6.6 1.1 2.2 0.0 0.0 100.0 76.7 35.6 10.0 3.3 2.2 0.0 0.08.1
ID 23 41 25 13 5 55 0 0 164
ABS. 81 8 0 0 0 0 0 0 89 8 0 0 0 0 0 0 53
REL. 91.0 8.9 0.0 0.0 0.0 0.0 0.0 0.0 100.0 9.0 0.0 0.0 0.0 0.0 0.0 0.0 2.4
ID 91 8 0 0 0 0 0 0 100
ABS. 65 20 0 0 0 0 0 0 85 20 0 0 0 0 0 0 58
REL. 76.4 23.5 0.0 0.0 0.0 0.0 0.0 0.0100.0 23.5 0.0 0.0 0.0 0.0 0.0 0.0 23.9
ID 76 23 0 0 0 0 0 0 100
ABS. 23 46 17 6 0 0 0 0 92 69 23 6 0 0 0 0 141
REL 25.0 50.0 18.4 6.5 0.0 0.0 0.0 0.0100.0 75.0 25.0 6.5 0.0 0.0 0.0 0.025.11
ID 25 50 18 13 0 0 0 0 106
Year
ABS. 190 111 40 12 1 2 0 0 356 166 55 15 3 2 0 0 260
REL. 53.3 31.1 11.2 3.3 0.2 0.5 0.0 0.0100.0 46.6 15.4 4.2 0.8 0.6 0.0 0.0 8.1
ID 53 31 11 6 1 14 0 0 117

Note:

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

Detailed overview of ambient air pollution valuis from individual stations - selection station