Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
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 19 21 13 15 15 17 22 20 18 27 19 19 24 37 38 18 15 19 19 11 9 23 42 30 70 97 61 90 55 39 41 31.01 96.97 31.00
2 42 53 27 72 77 86 34 25 51 72 57 31 14 20 19 19 28 38 32 41 22 25 23 17 11 22 16 6.72 ~ ~ ~ 35.06 86.04 28.00
3 13 21 18 13 14 15 11 8.63 17 25 28 32 11 14 29 26 11 11 7.38 16 15 15 23 25 ~ ~ 22 15 22 20 30 18.24 32.17 29.00
4 29 14 16 18 12 12 14 11 19 11 10 19 8.77 32 20 22 16 17 10 19 25 17 22 16 16 11 14 12 14 12 ~ 16.32 31.58 30.00
5 8.51 9 6.85 8.68 13 16 12 10 9 11 13 10 6.10 6.39 4.17 4.24 4.10 8.49 9 7.51 4.99 6.41 10 16 25 23 16 13 13 7.93 5.12 10.22 25.37 31.00
6 13 24 7.62 12 10 8.85 11 7.50 16 12 3.47 3.70 8.48 8.76 12 13 8.76 7.30 14 3.76 12 6.96 6.99 6.49 19 15 7.18 7.21 8.90 15 ~ 10.28 23.93 30.00
7 9 16 12 7.51 3.34 5.34 5.45 4.90 6.37 4.72 8.92 11 10 12 15 12 18 11 6.99 12 7.83 11 8.63 5.20 3.16 5.84 6.50 4.21 12 10 14 9.09 17.94 31.00
8 10 12 12 12 11 4.68 10 15 17 15 15 17 33 7.76 10 20 13 18 17 19 10 4.43 6.00 6.66 6.89 9 6.33 7.53 4.62 6.68 9 11.80 32.66 31.00
9 20 11 10 8.39 6.78 8.15 8.87 8.11 12 11 10 4.54 6.78 11 11 13 12 11 15 5.89 6.10 12 16 18 13 11 12 23 6.82 8.48 ~ 11.05 22.57 30.00
10 6.81 5.47 8.26 12 10 10 17 14 22 10 13 12 8.67 10 13 13 10 6.55 16 14 14 20 11 7.28 5.94 14 9 6.07 8.95 5.89 9 11.06 21.62 31.00
11 6.01 19 16 ~ ~ 10 16 22 16 21 8.12 24 15 14 12 11 6.84 14 16 12 50 62 86 131 77 44 32 30 40 42 ~ 30.38 130.64 28.00
12 38 68 47 30 19 11 11 18 99 108 49 43 15 24 26 18 41 27 16 12 11 35 29 20 21 17 16 28 36 31 38 32.29 108.39 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. 76 12 0 0 0 0 0 0 88 12 0 0 0 0 0 0 97
REL. 86.3 13.6 0.0 0.0 0.0 0.0 0.0 0.0 100.0 13.6 0.0 0.0 0.0 0.0 0.0 0.026.1
ID 86 13 0 0 0 0 0 0 100
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 32
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14.4
ID 100 0 0 0 0 0 0 0 100
ABS. 92 0 0 0 0 0 0 0 92 0 0 0 0 0 0 0 33
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 13.8
ID 100 0 0 0 0 0 0 0 100
ABS. 82 6 2 0 0 0 0 0 90 8 2 0 0 0 0 0 131
REL 91.1 6.6 2.2 0.0 0.0 0.0 0.0 0.0100.0 8.9 2.2 0.0 0.0 0.0 0.0 0.024.11
ID 91 6 2 0 0 0 0 0 100
Year
ABS. 341 18 2 0 0 0 0 0 361 20 2 0 0 0 0 0 131
REL. 94.4 4.9 0.5 0.0 0.0 0.0 0.0 0.0100.0 5.5 0.6 0.0 0.0 0.0 0.0 0.024.11
ID 94 4 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