Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:SO2-sulphur dioxide
Station:1013 - Sneznik
Code:CZDCCMSNE
Institution:CHMI
Region:Severocesky
District:Decin
IHd: 150
Measure method:UV-fluorescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 127 55 17 19 15 15 40 6.36 7.14 46 93 165 96 88 87 35 28 30 40 7.57 7.97 14 19 31 56 96 133 19 9 12 8.76 45.90 165.06 31.00
2 76 119 15 109 102 52 54 21 88 43 56 7.15 16 21 10 29 9 37 31 80 89 77 5.19 6.33 4.43 26 21 7.04 ~ ~ ~ 43.28 119.15 28.00
3 7.53 15 41 19 6.55 22 4.50 5.44 5.97 18 41 34 7.49 5.12 8.54 6.28 5.14 10 6.42 5.71 8.65 14 21 20 24 38 48 20 23 50 88 20.35 88.37 31.00
4 34 20 29 30 20 13 19 9 21 12 14 6.13 9 35 42 19 9 5.56 3.92 23 31 11 23 22 28 12 11 10 7.78 7.32 ~ 17.88 41.68 30.00
5 4.82 11 11 3.51 13 38 36 15 13 8.31 8.99 8.52 6.80 9 2.91 3.68 2.60 3.82 3.46 2.34 5.80 5.43 7.31 5.82 19 46 25 7.26 10 14 20 11.97 45.91 31.00
6 5.90 39 16 10 15 16 21 25 27 13 2.32 3.02 ~ 17 6.73 6.50 5.85 5.81 9 4.68 15 ~ 7.49 14 ~ 13 46 5.39 8.15 23 ~ 14.12 45.71 27.00
7 11 8.31 10 10 3.49 4.27 11 7.08 3.86 8.98 3.80 15 15 2.72 8.96 11 20 10 10 23 13 20 19 7.53 5.65 14 ~ 4.45 25 ~ 18 11.16 24.80 29.00
8 16 15 4.98 23 5.83 11 7.21 11 4.45 18 46 26 4.48 27 35 6.80 35 10 21 27 26 8.24 7.72 10 5.22 7.69 8.59 5.62 5.14 26 3.05 15.12 45.61 31.00
9 5.32 8.74 11 19 6.23 11 23 ~ 13 16 13 6.62 10 19 14 12 12 6.30 13 14 5.81 15 ~ 25 56 55 31 2.27 10 12 ~ 15.91 55.70 28.00
10 19 12 13 20 27 17 10 21 14 10 14 6.61 12 22 7.82 26 14 5.79 30 14 26 47 15 7.48 12 8.77 16 11 8.03 5.61 9 15.52 46.85 31.00
11 4.44 13 24 15 16 12 28 54 21 13 10 34 24 18 10 17 3.68 16 5.55 8.40 34 38 21 35 51 17 18 28 34 36 ~ 21.95 53.92 30.00
12 49 34 36 21 7.66 7.55 12 18 67 79 100 133 14 15 37 13 49 97 18 8.18 5.09 12 36 29 23 12 25 36 38 26 18 34.72 133.12 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. 67 17 5 1 0 0 0 0 90 23 6 1 0 0 0 0 165
REL. 74.4 18.8 5.5 1.1 0.0 0.0 0.0 0.0 100.0 25.6 6.7 1.1 0.0 0.0 0.0 0.012.1
ID 74 18 5 2 0 0 0 0 101
ABS. 88 0 0 0 0 0 0 0 88 0 0 0 0 0 0 0 46
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 26.5
ID 100 0 0 0 0 0 0 0 100
ABS. 86 2 0 0 0 0 0 0 88 2 0 0 0 0 0 0 56
REL. 97.7 2.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 2.3 0.0 0.0 0.0 0.0 0.0 0.0 25.9
ID 97 2 0 0 0 0 0 0 100
ABS. 85 5 2 0 0 0 0 0 92 7 2 0 0 0 0 0 133
REL 92.3 5.4 2.1 0.0 0.0 0.0 0.0 0.0100.0 7.6 2.2 0.0 0.0 0.0 0.0 0.012.12
ID 92 5 2 0 0 0 0 0 100
Year
ABS. 326 24 7 1 0 0 0 0 358 32 8 1 0 0 0 0 165
REL. 91.0 6.7 1.9 0.2 0.0 0.0 0.0 0.0100.0 8.9 2.2 0.3 0.0 0.0 0.0 0.0 12.1
ID 91 6 1 0 0 0 0 100

Note:

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