Detailed overview of ambient air pollution valuis from individual stations

1014 - Decin

Year: 1997
Pollutant:SO2-sulphur dioxide
Station:1014 - Decin
Code:CZDCCMDEC
Institution:CHMI
Region:Severocesky
District:Decin
IHd: 150
Measure method:UV-fluorescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 158 190 122 100 59 99 140 142 81 91 77 69 163 309 316 335 291 184 137 80 72 70 100 87 73 50 113 66 24 23 16 123.77 334.92 31.00
2 15 93 153 60 40 ~ ~ ~ ~ ~ ~ 44 34 11 15 15 61 28 21 31 45 16 34 53 33 18 11 39 ~ ~ ~ 39.47 153.09 22.00
3 26 35 18 43 45 38 29 64 32 56 62 64 36 23 13 5.37 8.04 41 33 16 32 14 42 31 42 59 36 11 7.57 10 12 31.78 64.34 31.00
4 28 22 43 10 12 8.46 10 42 83 40 11 5.76 22 20 7.26 11 10 22 11 11 21 22 15 48 24 17 22 33 28 8.19 ~ 22.34 82.68 30.00
5 10 21 23 25 17 15 8.56 19 16 19 20 15 19 26 15 17 17 13 7.05 15 14 12 9 5.95 20 17 7.78 7.80 10 8.44 10 14.82 25.98 31.00
6 14 17 8.89 13 14 14 12 10 16 10 14 23 14 19 12 7.97 8.23 15 18 12 11 16 26 7.50 14 19 12 24 16 12 ~ 14.25 25.73 30.00
7 7.94 17 11 11 8.43 6.33 6.04 6.75 7.39 13 15 11 12 21 13 13 9 9 7.76 4.50 7.57 13 12 14 12 8.54 20 11 ~ ~ ~ 11.00 21.07 28.00
8 12 6.24 10 30 6.64 7.00 7.27 17 17 6.74 6.88 12 17 21 3.72 7.83 15 10 6.56 8.57 7.69 16 11 11 16 15 13 11 5.64 7.17 14 11.49 29.82 31.00
9 27 16 48 26 13 5.61 2.47 8.10 5.28 8.34 19 25 6.96 11 28 32 33 26 14 12 13 17 28 20 20 20 13 21 70 15 ~ 20.19 70.17 30.00
10 26 10 20 31 28 37 28 27 29 17 14 11 15 13 19 17 48 35 51 46 24 47 48 11 7.38 14 31 31 134 65 33 31.20 134.32 31.00
11 40 34 21 31 39 58 56 31 39 24 72 28 28 23 36 26 27 29 26 41 90 45 139 54 46 42 50 74 44 75 ~ 45.59 138.95 30.00
12 69 34 34 19 45 53 35 50 91 34 43 20 13 24 47 56 26 41 77 39 31 69 71 37 27 25 22 41 33 40 123 44.20 122.71 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. 46 23 6 5 1 3 0 0 84 38 15 9 4 3 0 0 335
REL. 54.7 27.3 7.1 5.9 1.1 3.5 0.0 0.0 100.0 45.2 17.9 10.7 4.8 3.6 0.0 0.016.1
ID 54 27 7 11 5 89 0 0 196
ABS. 90 1 0 0 0 0 0 0 91 1 0 0 0 0 0 0 83
REL. 98.9 1.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 9.4
ID 98 1 0 0 0 0 0 0 100
ABS. 88 1 0 0 0 0 0 0 89 1 0 0 0 0 0 0 70
REL. 98.8 1.1 0.0 0.0 0.0 0.0 0.0 0.0100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 29.9
ID 98 1 0 0 0 0 0 0 100
ABS. 72 17 3 0 0 0 0 0 92 20 3 0 0 0 0 0 139
REL 78.2 18.4 3.2 0.0 0.0 0.0 0.0 0.0100.0 21.7 3.3 0.0 0.0 0.0 0.0 0.023.11
ID 78 18 3 0 0 0 0 0 100
Year
ABS. 296 42 9 5 1 3 0 0 356 60 18 9 4 3 0 0 335
REL. 83.1 11.7 2.5 1.4 0.2 0.8 0.0 0.0100.0 16.9 5.1 2.5 1.1 0.8 0.0 0.0 16.1
ID 83 11 2 2 1 21 0 0 122

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