Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:SO2-sulphur dioxide
Station: 192 - Chomutov
Code:CZCVOZCHO
Institution:ORGREZ
Region:Severocesky
District:Chomutov
IHd: 150
Measure method:coulometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 33 18 7.25 7.00 7.04 7.00 6.27 6.00 6.00 6.13 11 40 75 93 27 23 14 16 14 14 13 ~ 13 13 17 42 25 12 11 11 10 19.85 93.15 30.00
2 20 24 11 11 11 11 11 10 10 ~ 11 10 9 10 10 12 10 8.94 8.98 11 15 17 9 8.98 9.00 9 10 10 ~ ~ ~ 11.36 23.69 27.00
3 9 9.00 9.00 9.00 8.92 9.00 8.98 8.92 11 10 12 21 12 12 15 16 18 10 9 11 12 13 16 18 15 12 12 12 8.56 4.50 9 11.66 20.52 31.00
4 7.79 3.00 3.00 4.04 6.77 7.29 8.96 15 25 26 23 21 20 20 17 14 15 12 9 15 13 17 14 14 16 19 14 20 7.94 4.94 ~ 13.76 26.04 30.00
5 3.33 5.06 3.77 6.56 6.79 5.85 5.69 28 29 34 37 47 28 20 14 9 12 12 6.83 7.19 4.02 5.48 4.13 4.02 5.29 7.98 18 8.48 8.02 7.90 12 13.14 46.56 31.00
6 5.85 21 6.63 8.58 12 6.29 7.35 7.21 7.50 5.44 11 3.96 4.00 8.96 5.48 5.19 6.02 6.33 6.88 6.67 7.13 6.94 7.25 6.48 9 7.94 11 7.40 7.29 7.79 ~ 7.71 21.46 30.00
7 7.29 7.13 12 6.42 6.58 7.25 5.56 6.25 7.02 7.25 7.10 6.90 7.75 7.56 8.15 7.83 8.69 7.92 7.96 13 15 15 8.38 8.00 8.50 12 9 8.04 8.92 7.77 7.50 8.50 14.83 31.00
8 12 8.02 7.77 7.83 8.15 8.04 8.46 8.40 9 14 19 12 8.69 8.67 12 10 10 10 8.27 11 8.35 8.44 8.46 8.44 8.63 8.88 8.10 8.00 8.00 8.04 8.19 9.45 18.73 31.00
9 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
10 53 118 17 32 82 95 45 35 12 9 8.77 9 9 17 7.77 9 8.81 8.31 40 8.90 21 9 7.23 6.58 6.02 5.98 7.90 9 9 9 13 23.56 118.15 31.00
11 14 13 10 12 8.98 9 8.92 108 33 10 9 14 10 10 13 11 11 9 19 9 32 66 105 72 32 10 11 15 16 66 ~ 25.56 108.06 30.00
12 59 97 19 10 9 9 10 10 16 182 35 44 12 10 8.92 10 11 17 13 14 10 10 6.08 5.10 5.08 4.96 5.08 5.46 35 8.46 ~ 23.01 181.96 30.00

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. 86 2 0 0 0 0 0 0 88 2 0 0 0 0 0 0 93
REL. 97.7 2.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 2.3 0.0 0.0 0.0 0.0 0.0 0.014.1
ID 97 2 0 0 0 0 0 0 100
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 47
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 12.5
ID 100 0 0 0 0 0 0 0 100
ABS. 62 0 0 0 0 0 0 0 62 0 0 0 0 0 0 0 19
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 11.8
ID 100 0 0 0 0 0 0 0 100
ABS. 79 8 3 1 0 0 0 0 91 12 4 1 0 0 0 0 182
REL 86.8 8.7 3.2 1.0 0.0 0.0 0.0 0.0100.0 13.2 4.4 1.1 0.0 0.0 0.0 0.010.12
ID 86 8 3 2 0 0 0 0 101
Year
ABS. 318 10 3 1 0 0 0 0 332 14 4 1 0 0 0 0 182
REL. 95.7 3.0 0.9 0.3 0.0 0.0 0.0 0.0100.0 4.2 1.2 0.3 0.0 0.0 0.0 0.010.12
ID 95 3 0 0 0 0 100

Note:

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