Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:SO2-sulphur dioxide
Station:1121 - Steti MU
Code:CZLTHSSTM
Institution:Public Health Service
Region:Severocesky
District:Litomerice
IHd: 150
Measure method:coulometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 31 22 9.00 7.00 11 4.00 10 5.00 13 29 119 47 25 43 38 27 12 18 16 23 15 26 39 37 70 91 63 54 43 19 39 32.42 119.00 31.00
2 28 49 14 ~ 61 66 45 23 27 35 ~ ~ ~ ~ ~ ~ 25 21 17 25 36 85 43 29 29 29 8.00 3.00 ~ ~ ~ 33.24 85.00 21.00
3 20 7.00 ~ 14 13 12 8.00 16 20 22 21 15 17 18 40 21 10 12 10 24 21 23 20 45 40 66 30 26 26 16 115 24.93 115.00 30.00
4 65 18 14 10 12 25 19 14 28 9.00 9.00 17 41 29 27 39 24 25 23 15 74 65 21 39 15 28 21 13 15 7.00 ~ 25.37 74.00 30.00
5 8.00 16 21 6.00 11 8.00 7.00 46 14 28 49 44 31 60 37 64 47 41 138 36 21 9.00 10 13 ~ ~ ~ ~ ~ ~ ~ 31.87 138.00 24.00
6 42 21 51 20 44 10 58 ~ 16 33 19 9.00 7.00 14 15 7.00 9.00 35 19 33 27 13 16 18 19 27 15 8.00 25 13 ~ 22.17 58.00 29.00
7 47 28 29 15 11 10 13 9.00 8.00 7.00 4.00 4.00 8.00 11 9.00 16 11 9.00 21 31 34 40 23 37 55 36 41 12 17 19 19 20.45 55.00 31.00
8 6.00 20 29 16 6.00 10 22 14 37 39 26 20 21 17 34 34 12 16 69 16 5.00 7.00 3.00 6.00 4.00 20 6.00 7.00 14 23 44 19.45 69.00 31.00
9 61 14 5.00 4.00 3.00 8.00 11 10 4.00 10 8.00 11 7.00 4.00 8.00 6.00 7.00 14 27 26 24 24 33 28 25 ~ ~ 26 20 11 ~ 15.68 61.00 28.00
10 7.00 22 16 11 13 12 7.00 18 17 3.00 3.00 6.00 7.00 7.00 15 15 9.00 15 25 11 18 6.00 10 8.00 4.00 10 10 5.00 9.00 8.00 9.00 10.84 25.00 31.00
11 5.00 17 9.00 8.00 10 14 24 55 31 56 23 39 43 39 69 62 23 47 33 46 68 82 131 112 76 92 33 23 27 94 ~ 46.37 131.00 30.00
12 34 51 39 20 8.00 10 21 25 ~ ~ ~ ~ ~ ~ 24 26 22 33 17 16 20 21 24 30 18 14 12 22 41 25 12 23.40 51.00 25.00

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. 72 8 2 0 0 0 0 0 82 10 2 0 0 0 0 0 119
REL. 87.8 9.7 2.4 0.0 0.0 0.0 0.0 0.0 100.0 12.2 2.4 0.0 0.0 0.0 0.0 0.011.1
ID 87 9 2 0 0 0 0 0 100
ABS. 75 7 1 0 0 0 0 0 83 8 1 0 0 0 0 0 138
REL. 90.3 8.4 1.2 0.0 0.0 0.0 0.0 0.0 100.0 9.6 1.2 0.0 0.0 0.0 0.0 0.0 19.5
ID 90 8 1 0 0 0 0 0 100
ABS. 87 3 0 0 0 0 0 0 90 3 0 0 0 0 0 0 69
REL. 96.6 3.3 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 19.8
ID 96 3 0 0 0 0 0 0 100
ABS. 74 10 2 0 0 0 0 0 86 12 2 0 0 0 0 0 131
REL 86.0 11.6 2.3 0.0 0.0 0.0 0.0 0.0100.0 14.0 2.3 0.0 0.0 0.0 0.0 0.023.11
ID 86 11 2 0 0 0 0 0 100
Year
ABS. 308 28 5 0 0 0 0 0 341 33 5 0 0 0 0 0 138
REL. 90.3 8.2 1.4 0.0 0.0 0.0 0.0 0.0100.0 9.7 1.5 0.0 0.0 0.0 0.0 0.0 19.5
ID 90 8 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