Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:SO2-sulphur dioxide
Station:1266 - Chomutov
Code:CZCVRVCHO
Institution:VURV
Region:Severocesky
District:Chomutov
IHd: 150
Measure method:West-Gaeke spectrophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 64 28 14 14 13 14 23 7.00 24 46 68 320 362 450 82 37 20 44 18 14 12 44 35 62 134 334 218 46 44 28 33 85.55 450.00 31.00
2 98 160 312 86 94 43 76 39 43 59 39 35 39 31 31 29 27 25 31 62 101 105 31 31 37 20 31 20 ~ ~ ~ 61.96 312.00 28.00
3 20 21 62 23 29 13 64 16 34 16 42 99 51 34 34 30 64 35 16 34 77 18 73 64 60 88 46 64 55 60 127 47.39 127.00 31.00
4 22 10 32 24 24 16 32 12 32 35 16 20 12 12 10 24 22 12 14 12 12 25 14 12 14 16 14 44 12 14 ~ 19.00 44.00 30.00
5 16 14 16 16 15 20 18 28 18 44 30 48 48 41 14 14 14 16 14 14 16 10 10 12 12 16 37 20 20 10 24 20.81 48.00 31.00
6 14 53 16 25 ~ ~ ~ 22 14 14 32 16 14 28 14 10 10 10 12 14 12 12 14 14 22 18 14 12 12 12 ~ 17.04 53.00 27.00
7 8.00 18 26 18 58 30 16 12 8.00 8.00 28 18 22 16 26 14 18 14 36 24 22 60 12 18 20 14 10 10 20 10 8.00 20.06 60.00 31.00
8 18 12 12 12 12 12 15 12 12 24 45 48 21 12 21 18 36 15 12 27 54 33 9.00 21 21 24 18 18 18 18 15 20.81 54.00 31.00
9 24 36 12 12 12 12 15 6.00 9.00 15 9.00 12 12 6.00 30 24 15 9.00 27 60 66 59 78 89 182 223 181 59 46 69 ~ 46.97 223.00 30.00
10 144 139 89 131 139 149 125 60 38 21 23 42 60 19 42 46 27 21 36 27 23 38 27 21 30 26 33 43 34 26 30 55.13 149.00 31.00
11 66 39 21 110 31 80 26 50 39 86 39 29 41 38 46 53 61 72 89 95 135 166 241 172 131 86 71 106 156 171 ~ 84.87 241.00 30.00
12 167 134 147 138 55 67 61 111 107 127 147 156 110 48 37 30 49 72 42 52 41 59 68 89 117 32 32 144 142 92 42 87.58 167.00 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. 56 23 4 2 0 5 0 0 90 34 11 7 5 5 0 0 450
REL. 62.2 25.5 4.4 2.2 0.0 5.5 0.0 0.0 100.0 37.8 12.2 7.8 5.6 5.6 0.0 0.014.1
ID 62 25 4 4 0 138 0 0 235
ABS. 87 1 0 0 0 0 0 0 88 1 0 0 0 0 0 0 53
REL. 98.8 1.1 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 2.6
ID 98 1 0 0 0 0 0 0 100
ABS. 79 10 0 3 0 0 0 0 92 13 3 3 0 0 0 0 223
REL. 85.8 10.8 0.0 3.2 0.0 0.0 0.0 0.0100.0 14.1 3.3 3.3 0.0 0.0 0.0 0.0 26.9
ID 85 10 0 6 0 0 0 0 103
ABS. 42 22 21 6 1 0 0 0 92 50 28 7 1 0 0 0 241
REL 45.6 23.9 22.8 6.5 1.0 0.0 0.0 0.0100.0 54.3 30.4 7.6 1.1 0.0 0.0 0.023.11
ID 45 23 22 13 5 0 0 0 110
Year
ABS. 264 56 25 11 1 5 0 0 362 98 42 17 6 5 0 0 450
REL. 72.9 15.4 6.9 3.0 0.2 1.3 0.0 0.0100.0 27.1 11.6 4.7 1.7 1.4 0.0 0.0 14.1
ID 72 15 6 6 1 34 0 0 137

Note:

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