Detailed overview of ambient air pollution valuis from individual stations

482 - Plzen-Husovo nam.

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 482 - Plzen-Husovo nam.
Code:CZPMHSHUS
Institution:Public Health Service
Region:Zapadocesky
District:Plzen-mesto
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ 66 26 31 4.00 23 71 71 46 31 21 17 88 131 138 88 63 38 26 112 69 27 91 84 14 4.00 62 42 39 24 26 52.43 138.00 30.00
2 14 9.00 51 44 33 26 116 28 74 45 4.00 68 81 59 23 48 99 30 61 48 48 68 83 61 32 40 51 112 ~ ~ ~ 52.00 116.00 28.00
3 46 ~ 78 108 62 110 93 47 55 104 57 71 53 32 ~ 8.00 57 23 44 47 28 4.00 20 38 66 38 53 21 20 18 68 50.66 110.00 29.00
4 86 86 34 19 24 17 66 85 52 24 14 9.00 14 42 8.00 28 32 17 60 33 28 42 10 44 36 26 10 26 24 60 ~ 35.20 86.00 30.00
5 4.00 25 8.00 4.00 37 18 25 22 32 6.00 27 41 55 28 28 31 ~ ~ 44 18 47 8.00 31 20 25 32 61 41 26 24 15 27.00 61.00 29.00
6 23 38 29 26 30 23 10 15 30 37 40 22 17 19 27 18 26 23 19 37 4.00 9.00 16 11 19 42 28 4.00 7.00 11 ~ 22.00 42.00 30.00
7 60 24 13 23 4.00 4.00 28 24 22 15 19 21 25 34 33 55 32 32 14 13 39 45 38 32 5.00 5.00 ~ 43 37 60 17 27.20 60.00 30.00
8 21 28 39 48 41 21 40 7.00 4.00 4.00 54 50 44 69 46 22 29 72 61 85 48 65 26 60 59 71 58 33 41 34 68 43.48 85.00 31.00
9 46 35 66 61 57 23 7.00 52 30 56 83 60 16 61 30 98 88 77 64 17 75 100 115 148 70 71 ~ 41 62 33 ~ 60.07 148.00 29.00
10 41 30 26 20 71 102 107 33 66 28 32 24 44 29 57 90 54 67 62 ~ ~ ~ 47 46 16 22 12 45 54 38 48 46.82 107.00 28.00
11 68 21 68 44 54 77 156 10 125 108 82 26 62 97 24 33 53 61 46 59 42 21 30 37 33 66 66 21 20 35 ~ 54.83 156.00 30.00
12 18 40 49 27 50 23 16 71 98 34 ~ ~ 13 42 16 33 46 24 43 14 52 47 47 22 11 11 28 38 19 25 41 34.41 98.00 29.00

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. 31 31 17 8 0 0 0 0 87 56 25 8 0 0 0 0 138
REL. 35.6 35.6 19.5 9.1 0.0 0.0 0.0 0.0 100.0 64.4 28.7 9.2 0.0 0.0 0.0 0.015.1
ID 35 35 19 18 0 0 0 0 109
ABS. 65 21 3 0 0 0 0 0 89 24 3 0 0 0 0 0 86
REL. 73.0 23.5 3.3 0.0 0.0 0.0 0.0 0.0 100.0 27.0 3.4 0.0 0.0 0.0 0.0 0.0 1.4
ID 73 23 3 0 0 0 0 0 100
ABS. 38 37 13 2 0 0 0 0 90 52 15 2 0 0 0 0 148
REL. 42.2 41.1 14.4 2.2 0.0 0.0 0.0 0.0100.0 57.8 16.7 2.2 0.0 0.0 0.0 0.0 24.9
ID 42 41 14 4 0 0 0 0 102
ABS. 36 36 10 4 1 0 0 0 87 51 15 5 1 0 0 0 156
REL 41.3 41.3 11.4 4.5 1.1 0.0 0.0 0.0100.0 58.6 17.2 5.7 1.1 0.0 0.0 0.0 7.11
ID 41 41 11 9 5 0 0 0 109
Year
ABS. 170 125 43 14 1 0 0 0 353 183 58 15 1 0 0 0 156
REL. 48.1 35.4 12.1 3.9 0.2 0.0 0.0 0.0100.0 51.8 16.4 4.2 0.3 0.0 0.0 0.0 7.11
ID 48 35 12 7 1 0 0 0 105

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