Detailed overview of ambient air pollution valuis from individual stations

538 - Liberec-stred mesta

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 538 - Liberec-stred mesta
Code:CZLBHSLSM
Institution:Public Health Service
Region:Severocesky
District:Liberec
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 6.00 64 38 45 38 37 34 28 23 21 31 30 61 16 44 47 60 61 65 ~ 17 14 14 ~ 23 ~ 8.00 ~ 29 ~ ~ 34.16 65.00 25.00
2 36 24 41 25 34 69 85 105 94 62 35 52 49 ~ ~ 92 83 72 ~ 52 84 82 ~ 51 58 28 51 56 ~ ~ ~ 59.17 105.00 24.00
3 70 39 55 22 25 26 27 23 ~ 24 26 9.00 ~ 5.00 ~ 22 27 12 ~ ~ ~ ~ 29 20 ~ 8.00 7.00 5.00 ~ 23 27 24.14 70.00 22.00
4 57 7.00 39 31 30 20 23 23 16 29 25 10 7.00 22 18 15 21 14 22 18 31 ~ ~ 4.00 4.00 4.00 4.00 4.00 4.00 4.00 ~ 18.07 57.00 28.00
5 24 25 13 17 11 14 8.00 14 10 9.00 6.00 11 5.00 5.00 14 18 11 11 12 13 18 6.00 18 10 10 13 23 20 6.00 10 4.00 12.55 25.00 31.00
6 10 10 4.00 11 12 16 19 14 16 13 18 14 18 16 25 26 20 14 11 20 ~ ~ 23 15 10 4.00 19 16 11 9.00 ~ 14.79 26.00 28.00
7 4.00 10 5.00 7.00 47 100 14 24 68 40 ~ ~ ~ 9.00 53 27 57 12 10 ~ 7.00 56 62 54 39 29 27 33 20 22 36 32.30 100.00 27.00
8 24 33 34 30 30 15 29 29 47 48 25 22 36 47 65 52 39 34 31 38 22 25 17 43 52 30 59 25 45 37 39 35.55 65.00 31.00
9 38 46 51 11 53 51 ~ 56 46 66 34 7.00 ~ 30 25 14 11 25 25 33 27 29 4.00 15 26 39 33 39 10 60 ~ 32.29 66.00 28.00
10 ~ ~ 39 53 75 35 49 101 39 58 50 52 37 49 61 58 42 50 55 24 ~ ~ ~ 42 47 40 42 79 ~ 19 32 49.12 101.00 25.00
11 35 32 35 47 43 57 40 61 34 20 ~ ~ 52 ~ ~ ~ ~ ~ ~ ~ ~ ~ 72 ~ ~ ~ 33 41 38 43 ~ 42.69 72.00 16.00
12 42 87 19 37 80 92 ~ 22 51 ~ 44 61 65 28 ~ 101 61 72 ~ ~ ~ ~ 45 65 42 51 71 72 27 40 57 55.50 101.00 24.00

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. 35 26 9 1 0 0 0 0 71 36 10 1 0 0 0 0 105
REL. 49.2 36.6 12.6 1.4 0.0 0.0 0.0 0.0 100.0 50.7 14.1 1.4 0.0 0.0 0.0 0.08.2
ID 49 36 12 2 0 0 0 0 101
ABS. 85 2 0 0 0 0 0 0 87 2 0 0 0 0 0 0 57
REL. 97.7 2.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 2.3 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 97 2 0 0 0 0 0 0 100
ABS. 47 37 2 0 0 0 0 0 86 39 2 0 0 0 0 0 100
REL. 54.6 43.0 2.3 0.0 0.0 0.0 0.0 0.0100.0 45.3 2.3 0.0 0.0 0.0 0.0 0.0 6.7
ID 54 43 2 0 0 0 0 0 100
ABS. 10 44 9 2 0 0 0 0 65 55 11 2 0 0 0 0 101
REL 15.3 67.6 13.8 3.0 0.0 0.0 0.0 0.0100.0 84.6 16.9 3.1 0.0 0.0 0.0 0.0 8.10
ID 15 67 13 6 0 0 0 0 103
Year
ABS. 177 109 20 3 0 0 0 0 309 132 23 3 0 0 0 0 105
REL. 57.2 35.2 6.4 0.9 0.0 0.0 0.0 0.0100.0 42.7 7.4 1.0 0.0 0.0 0.0 0.0 8.2
ID 57 35 6 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

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