Detailed overview of ambient air pollution valuis from individual stations

1323 - Plzen-Bory

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1323 - Plzen-Bory
Code:CZPMSIPLB
Institution:Infrastructure Management of the Plzeň
Region:Zapadocesky
District:Plzen-mesto
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 82 134 71 68 71 76 94 90 73 68 28 22 95 286 236 302 225 132 76 93 94 34 139 162 90 43 70 48 48 31 29 100.38 302.16 31.00
2 48 87 60 41 35 41 64 55 68 62 20 16 11 29 29 42 56 31 22 20 14 30 46 38 13 16 29 31 ~ ~ ~ 37.63 87.42 28.00
3 40 24 53 31 30 79 90 61 76 92 103 80 ~ 38 23 27 49 25 26 45 35 24 23 72 98 51 24 17 16 15 33 46.68 103.48 30.00
4 71 83 33 20 19 24 50 70 41 37 26 25 25 34 32 29 34 28 32 58 65 54 37 45 40 43 25 20 21 32 ~ 38.44 82.68 30.00
5 27 22 24 42 28 13 36 20 13 22 40 37 53 64 44 32 22 16 27 28 18 23 30 27 33 30 30 31 27 25 24 29.27 63.52 31.00
6 28 43 47 44 ~ 35 7.80 4.89 21 28 25 19 11 3.87 12 25 35 27 19 10 ~ ~ 13 18 36 36 42 26 14 17 ~ 23.98 47.45 27.00
7 20 29 28 34 25 16 26 25 ~ ~ ~ ~ ~ ~ 23 30 23 19 8.72 ~ 12 17 18 16 7.16 ~ ~ 21 23 16 ~ 20.89 33.77 21.00
8 7.34 6.62 18 39 49 40 42 26 19 44 45 52 41 25 36 25 30 63 54 60 40 ~ ~ ~ ~ 55 45 30 23 23 29 35.81 62.99 27.00
9 58 47 44 37 38 20 15 18 20 26 52 30 14 24 73 101 48 50 63 39 51 72 84 90 81 58 40 47 ~ 46 ~ 47.86 101.36 29.00
10 38 21 20 14 33 104 82 21 13 16 11 23 20 26 30 92 99 101 78 59 78 72 41 29 18 19 79 71 111 64 55 49.68 111.25 31.00
11 72 67 75 66 92 103 161 114 94 87 123 74 49 82 32 45 62 53 57 75 49 84 74 72 44 91 109 72 104 72 ~ 78.67 161.11 30.00
12 71 67 77 83 62 30 44 113 126 29 34 37 29 51 41 59 32 43 72 57 112 141 86 32 21 19 30 27 28 86 161 61.28 161.08 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. 32 24 24 4 1 3 1 0 89 57 33 9 5 4 1 0 302
REL. 35.9 26.9 26.9 4.4 1.1 3.3 1.1 0.0 100.0 64.0 37.1 10.1 5.6 4.5 1.1 0.016.1
ID 35 26 26 8 5 84 140 0 329
ABS. 56 29 3 0 0 0 0 0 88 32 3 0 0 0 0 0 83
REL. 63.6 32.9 3.4 0.0 0.0 0.0 0.0 0.0 100.0 36.4 3.4 0.0 0.0 0.0 0.0 0.0 2.4
ID 63 32 3 0 0 0 0 0 100
ABS. 40 31 5 1 0 0 0 0 77 37 6 1 0 0 0 0 101
REL. 51.9 40.2 6.4 1.2 0.0 0.0 0.0 0.0100.0 48.1 7.8 1.3 0.0 0.0 0.0 0.0 16.9
ID 51 40 6 2 0 0 0 0 101
ABS. 26 23 29 12 2 0 0 0 92 66 43 14 2 0 0 0 161
REL 28.2 25.0 31.5 13.0 2.1 0.0 0.0 0.0100.0 71.7 46.7 15.2 2.2 0.0 0.0 0.0 7.11
ID 28 25 31 26 10 0 0 0 121
Year
ABS. 154 107 61 17 3 3 1 0 346 192 85 24 7 4 1 0 302
REL. 44.5 30.9 17.6 4.9 0.8 0.8 0.2 0.0100.0 55.5 24.6 6.9 2.0 1.2 0.3 0.0 16.1
ID 44 30 17 9 4 21 36 0 165

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