Detailed overview of ambient air pollution valuis from individual stations

1016 - Liberec-mesto

Year: 1997
Pollutant:SO2-sulphur dioxide
Station:1016 - Liberec-mesto
Code:CZLBCMLIM
Institution:CHMI
Region:Severocesky
District:Liberec
IHd: 150
Measure method:UV-fluorescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 173 251 139 83 54 111 186 71 64 93 69 61 55 111 80 98 94 53 64 71 43 56 83 96 40 40 90 33 22 20 21 81.43 250.92 31.00
2 24 55 94 52 42 49 44 57 66 42 28 33 20 26 21 30 45 31 21 23 19 24 23 27 15 12 15 41 ~ ~ ~ 34.98 94.11 28.00
3 35 35 29 42 32 33 28 39 41 34 40 45 14 14 2.88 3.53 12 22 17 19 35 19 30 27 59 46 16 3.68 8.34 5.59 13 25.83 58.87 31.00
4 42 62 23 8.27 14 25 41 30 67 18 5.81 13 35 15 15 16 25 20 10 19 27 39 36 36 17 27 22 27 20 6.61 ~ 25.44 66.79 30.00
5 19 14 13 36 14 15 16 11 16 17 18 25 8.39 15 16 18 9 10 6.64 17 12 10 14 24 8.41 16 12 21 26 17 4.45 15.44 35.83 31.00
6 6.17 8.17 41 13 11 10 8.41 9 9 42 13 14 11 12 5.74 14 28 23 21 23 13 18 28 10 15 11 8.42 11 14 15 ~ 15.54 41.65 30.00
7 11 19 8.79 34 11 8.79 23 32 53 8.44 5.87 23 15 10 46 9 8.46 3.62 3.99 3.57 4.52 13 27 13 17 3.56 5.77 4.21 12 28 10 15.38 53.27 31.00
8 7.74 33 7.98 17 29 3.89 4.62 8.65 5.86 8.40 12 14 7.77 14 6.83 6.57 7.89 17 11 10 15 12 14 17 14 13 15 12 4.93 4.68 9 11.80 33.28 31.00
9 13 8.42 78 25 30 8.57 11 13 6.13 5.06 11 15 6.74 11 26 22 21 25 14 30 27 19 14 17 44 68 41 28 39 13 ~ 23.02 78.38 30.00
10 18 6.24 14 27 24 30 22 20 13 14 14 14 17 18 23 26 39 31 31 29 23 42 35 10 15 17 23 60 47 51 28 25.16 60.33 31.00
11 39 26 20 28 35 25 25 21 26 22 20 23 21 25 44 14 17 15 35 34 56 53 59 50 40 27 44 40 26 24 ~ 31.17 59.49 30.00
12 22 22 21 17 41 52 32 42 35 20 34 25 6.85 24 23 54 27 29 32 26 22 62 48 32 17 12 18 31 30 34 35 29.90 62.23 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. 60 24 3 2 1 0 0 0 90 30 6 3 1 0 0 0 251
REL. 66.6 26.6 3.3 2.2 1.1 0.0 0.0 0.0 100.0 33.3 6.7 3.3 1.1 0.0 0.0 0.02.1
ID 66 26 3 4 5 0 0 0 106
ABS. 89 2 0 0 0 0 0 0 91 2 0 0 0 0 0 0 67
REL. 97.8 2.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 2.2 0.0 0.0 0.0 0.0 0.0 0.0 9.4
ID 97 2 0 0 0 0 0 0 100
ABS. 89 3 0 0 0 0 0 0 92 3 0 0 0 0 0 0 78
REL. 96.7 3.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 3.3 0.0 0.0 0.0 0.0 0.0 0.0 3.9
ID 96 3 0 0 0 0 0 0 100
ABS. 83 9 0 0 0 0 0 0 92 9 0 0 0 0 0 0 62
REL 90.2 9.7 0.0 0.0 0.0 0.0 0.0 0.0100.0 9.8 0.0 0.0 0.0 0.0 0.0 0.022.12
ID 90 9 0 0 0 0 0 0 100
Year
ABS. 321 38 3 2 1 0 0 0 365 44 6 3 1 0 0 0 251
REL. 87.9 10.4 0.8 0.5 0.2 0.0 0.0 0.0100.0 12.1 1.6 0.8 0.3 0.0 0.0 0.0 2.1
ID 87 10 1 1 0 0 0 101

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