Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:SO2-sulphur dioxide
Station:1120 - Ustek
Code:CZLTHSUST
Institution:Public Health Service
Region:Severocesky
District:Litomerice
IHd: 150
Measure method:coulometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 128 83 85 42 ~ 52 105 34 54 86 126 192 65 122 102 136 58 80 55 56 12 50 57 76 104 129 122 117 118 57 87 86.33 192.00 30.00
2 114 168 76 169 212 169 142 ~ 231 254 206 52 45 79 65 40 43 81 57 87 103 101 62 96 72 85 25 21 ~ ~ ~ 105.74 254.00 27.00
3 43 37 24 28 16 37 26 21 50 58 47 58 26 13 66 34 12 28 16 29 17 45 56 56 83 89 87 60 41 38 108 43.52 108.00 31.00
4 56 49 49 27 30 40 26 ~ 41 24 31 10 23 39 25 47 31 14 33 54 50 31 21 43 26 13 11 13 10 11 ~ 30.28 56.00 29.00
5 7.00 11 13 6.00 34 29 27 25 8.00 6.00 17 11 11 9.00 9.00 6.00 9.00 11 4.00 3.00 11 4.00 20 26 18 ~ 11 6.00 13 14 13 13.07 34.00 30.00
6 10 11 14 9.00 6.00 7.00 17 13 10 23 4.00 3.00 3.00 9.00 11 7.00 10 8.00 ~ ~ ~ ~ ~ ~ ~ 6.00 8.00 6.00 10 7.00 ~ 9.22 23.00 23.00
7 11 5.00 9.00 9.00 7.00 9.00 7.00 7.00 8.00 7.00 10 13 5.00 8.00 9.00 8.00 12 10 8.00 14 5.00 7.00 9.00 8.00 6.00 9.00 ~ ~ ~ ~ ~ 8.46 14.00 26.00
8 ~ ~ 6.00 7.00 4.00 8.00 12 9.00 13 6.00 9.00 2.00 2.00 5.00 18 5.00 5.00 3.00 2.00 8.00 3.00 3.00 5.00 ~ ~ ~ ~ ~ ~ ~ ~ 6.43 18.00 21.00
9 6.00 9.00 8.00 9.00 6.00 8.00 13 13 10 10 14 13 12 9.00 12 18 19 8.00 26 21 20 19 22 18 30 39 38 36 36 22 ~ 17.47 39.00 30.00
10 44 24 19 28 31 31 31 19 31 13 25 28 34 30 34 38 34 23 41 41 59 29 32 32 20 32 12 7.00 16 17 23 28.32 59.00 31.00
11 19 56 57 27 23 30 81 85 69 56 33 62 54 48 55 49 15 65 50 29 106 180 155 138 87 85 70 83 70 112 ~ 68.30 180.00 30.00
12 91 119 74 56 39 27 35 86 213 192 165 119 41 90 140 54 122 185 44 41 42 67 59 45 58 ~ ~ 86 145 108 47 89.31 213.00 29.00

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. 30 34 16 6 2 0 0 0 88 58 24 8 2 0 0 0 254
REL. 34.0 38.6 18.1 6.8 2.2 0.0 0.0 0.0 100.0 65.9 27.3 9.1 2.3 0.0 0.0 0.010.2
ID 34 38 18 13 11 0 0 0 115
ABS. 80 2 0 0 0 0 0 0 82 2 0 0 0 0 0 0 56
REL. 97.5 2.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 2.4 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. 77 0 0 0 0 0 0 0 77 0 0 0 0 0 0 0 39
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 26.9
ID 100 0 0 0 0 0 0 0 100
ABS. 49 26 9 6 0 0 0 0 90 41 15 6 0 0 0 0 213
REL 54.4 28.8 10.0 6.6 0.0 0.0 0.0 0.0100.0 45.6 16.7 6.7 0.0 0.0 0.0 0.0 9.12
ID 54 28 10 13 0 0 0 0 106
Year
ABS. 236 62 25 12 2 0 0 0 337 101 39 14 2 0 0 0 254
REL. 70.0 18.3 7.4 3.5 0.5 0.0 0.0 0.0100.0 30.0 11.6 4.2 0.6 0.0 0.0 0.0 10.2
ID 70 18 7 7 2 0 0 0 105

Note:

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