Detailed overview of ambient air pollution valuis from individual stations

1021 - Libverda

Year: 1997
Pollutant:SO2-sulphur dioxide
Station:1021 - Libverda
Code:CZLBCMLIB
Institution:CHMI
Region:Severocesky
District:Liberec
IHd: 150
Measure method:UV-fluorescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 138 117 121 99 41 75 94 61 71 76 61 51 41 47 51 39 46 66 40 45 30 26 35 93 34 16 49 22 12 11 13 55.52 137.73 31.00
2 28 14 58 34 26 27 20 23 26 30 18 16 12 11 9 12 23 17 18 19 29 18 14 14 10 13 17 30 ~ ~ ~ 20.95 58.10 28.00
3 27 23 37 48 25 44 12 33 23 23 34 26 14 21 9 14 14 26 21 11 ~ 18 17 20 34 40 25 31 10 18 12 23.71 47.87 30.00
4 47 45 28 8.46 9 8.90 11 19 59 24 17 12 23 12 15 6.16 19 18 5.94 6.21 39 19 29 33 20 13 20 23 12 7.78 ~ 20.42 59.12 30.00
5 64 51 29 35 12 10 27 13 14 11 6.35 37 5.82 11 12 9 7.85 11 12 18 10 18 12 7.65 5.50 17 12 5.79 17 3.97 4.99 16.40 63.81 31.00
6 3.98 5.49 31 67 8.34 6.63 5.32 8.78 20 14 9 22 39 16 11 38 41 37 12 25 7.88 17 19 8.57 12 7.66 7.05 13 11 16 ~ 18.03 66.74 30.00
7 19 12 36 31 7.10 19 12 21 29 6.35 6.76 17 5.46 11 42 31 8.19 5.28 5.62 6.52 4.76 5.96 44 33 23 13 12 25 10 49 10 18.16 49.34 31.00
8 28 10 5.91 36 10 5.39 6.42 10 8.35 6.09 14 10 7.94 35 15 6.24 13 17 13 12 10 12 20 18 13 11 13 18 6.57 9 53 14.69 52.65 31.00
9 13 7.39 43 28 65 12 20 17 18 24 31 14 23 61 29 14 47 32 11 26 89 39 38 11 11 35 15 13 34 12 ~ 27.77 88.73 30.00
10 20 15 14 14 48 18 14 15 12 12 7.95 13 16 18 15 42 24 19 14 19 6.05 29 22 14 7.29 10 11 63 109 34 13 22.20 108.94 31.00
11 22 46 8.64 17 14 10 17 21 11 10 7.25 11 14 9 27 11 8.95 10 14 19 42 36 118 40 28 22 21 25 13 36 ~ 23.02 118.36 30.00
12 33 19 17 8.56 53 37 43 16 19 16 22 11 13 19 19 32 19 25 19 20 12 40 41 27 12 12 17 22 25 15 8.98 22.37 52.78 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- 50 51- 100 101- 150 151- 225 226- 300 301- 450 451- 600 over 600 50 100 150 225 300 450 600
ABS. 74 12 3 0 0 0 0 0 89 15 3 0 0 0 0 0 138
REL. 83.1 13.4 3.3 0.0 0.0 0.0 0.0 0.0 100.0 16.9 3.4 0.0 0.0 0.0 0.0 0.01.1
ID 83 13 3 0 0 0 0 0 100
ABS. 87 4 0 0 0 0 0 0 91 4 0 0 0 0 0 0 67
REL. 95.6 4.3 0.0 0.0 0.0 0.0 0.0 0.0 100.0 4.4 0.0 0.0 0.0 0.0 0.0 0.0 4.6
ID 95 4 0 0 0 0 0 0 100
ABS. 88 4 0 0 0 0 0 0 92 4 0 0 0 0 0 0 89
REL. 95.6 4.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 4.3 0.0 0.0 0.0 0.0 0.0 0.0 21.9
ID 95 4 0 0 0 0 0 0 100
ABS. 88 2 2 0 0 0 0 0 92 4 2 0 0 0 0 0 118
REL 95.6 2.1 2.1 0.0 0.0 0.0 0.0 0.0100.0 4.3 2.2 0.0 0.0 0.0 0.0 0.023.11
ID 95 2 2 0 0 0 0 0 100
Year
ABS. 337 22 5 0 0 0 0 0 364 27 5 0 0 0 0 0 138
REL. 92.5 6.0 1.3 0.0 0.0 0.0 0.0 0.0100.0 7.4 1.4 0.0 0.0 0.0 0.0 0.0 1.1
ID 92 6 1 0 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