Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1147 - Losina
Code:CZPJEXLOS
Institution:EKOTOXA
Region:Zapadocesky
District:Plzen-jih
IHd: 100
Measure method:guajacol (modif. Jakobs-Hochheiser) - spectrophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 21 18 17 10 19 23 17 19 17 18 28 55 32 59 68 20 75 20 23 33 30 51 33 24 20 10 9.00 10 12 12 13 26.32 75.00 31.00
2 34 53 48 27 16 13 10 14 36 88 121 84 40 35 57 40 34 26 25 41 31 17 24 25 26 101 52 40 ~ ~ ~ 41.36 121.00 28.00
3 20 17 14 27 24 22 28 24 25 51 ~ 65 25 37 53 41 40 45 46 34 26 16 15 18 22 20 17 17 27 33 34 29.43 65.00 30.00
4 48 39 39 14 11 18 19 24 26 17 7.00 9.00 13 11 12 10 6.00 7.00 9.00 13 11 15 10 8.00 7.00 20 14 25 19 24 ~ 16.83 48.00 30.00
5 21 16 19 17 17 16 17 15 18 42 41 31 18 12 10 10 9.00 9.00 10 14 26 19 19 14 11 13 15 19 6.00 9.00 10 16.87 42.00 31.00
6 13 11 9.00 19 8.00 7.00 23 25 23 16 27 25 20 16 18 17 19 19 19 18 10 11 10 12 25 8.00 4.00 6.00 5.00 4.00 ~ 14.90 27.00 30.00
7 7.00 7.00 7.00 9.00 9.00 6.00 9.00 11 8.00 7.00 8.00 8.00 10 12 11 10 11 11 43 40 22 27 21 21 20 17 18 22 34 28 29 16.23 43.00 31.00
8 25 7.00 27 21 41 29 19 37 37 30 44 43 31 33 30 22 15 15 14 27 24 35 35 32 26 26 28 29 28 16 11 27.00 44.00 31.00
9 8.00 12 11 10 9.00 10 12 36 18 19 16 18 14 27 28 20 16 8.00 8.00 7.00 14 5.00 4.00 5.00 11 4.00 10 10 10 8.00 ~ 12.93 36.00 30.00
10 8.00 11 8.00 6.00 6.00 7.00 9.00 8.00 9.00 7.00 12 21 34 19 13 11 11 11 15 15 13 13 14 13 17 16 18 19 18 30 21 13.97 34.00 31.00
11 22 24 23 22 35 14 18 10 12 17 18 14 12 8.00 7.00 11 11 9.00 16 11 11 39 49 55 45 38 38 29 31 35 ~ 22.80 55.00 30.00
12 35 28 32 35 27 5.00 1.00 1.00 1.00 10 5.00 2.00 ~ ~ ~ ~ 2.00 3.00 3.00 27 28 34 45 31 18 19 36 ~ ~ ~ ~ 18.61 45.00 23.00

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. 58 25 4 2 0 0 0 0 89 31 6 2 0 0 0 0 121
REL. 65.1 28.0 4.4 2.2 0.0 0.0 0.0 0.0 100.0 34.8 6.7 2.2 0.0 0.0 0.0 0.011.2
ID 65 28 4 4 0 0 0 0 102
ABS. 86 5 0 0 0 0 0 0 91 5 0 0 0 0 0 0 48
REL. 94.5 5.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 5.5 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 94 5 0 0 0 0 0 0 100
ABS. 81 11 0 0 0 0 0 0 92 11 0 0 0 0 0 0 44
REL. 88.0 11.9 0.0 0.0 0.0 0.0 0.0 0.0100.0 12.0 0.0 0.0 0.0 0.0 0.0 0.0 11.8
ID 88 11 0 0 0 0 0 0 100
ABS. 70 14 0 0 0 0 0 0 84 14 0 0 0 0 0 0 55
REL 83.3 16.6 0.0 0.0 0.0 0.0 0.0 0.0100.0 16.7 0.0 0.0 0.0 0.0 0.0 0.024.11
ID 83 16 0 0 0 0 0 0 100
Year
ABS. 295 55 4 2 0 0 0 0 356 61 6 2 0 0 0 0 121
REL. 82.8 15.4 1.1 0.5 0.0 0.0 0.0 0.0100.0 17.1 1.7 0.6 0.0 0.0 0.0 0.0 11.2
ID 82 15 1 1 0 0 0 0 100

Note:

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