Detailed overview of ambient air pollution valuis from individual stations

1013 - Sneznik

Year: 1997
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
1 108 105 53 93 53 80 134 127 67 80 90 188 ~ 163 ~ 472 274 342 129 44 81 78 189 244 65 41 119 23 12 17 10 119.97 471.98 29.00
2 14 105 343 70 41 30 109 17 114 63 26 29 20 6.68 7.33 20 93 46 16 49 31 20 74 38 30 8.57 17 110 ~ ~ ~ 55.18 342.91 28.00
3 60 68 13 39 136 11 60 91 45 63 83 43 19 15 3.80 8.86 7.78 47 18 14 36 5.46 36 ~ 64 96 25 6.71 2.54 4.18 6.97 37.66 136.42 30.00
4 27 25 40 5.38 16 4.02 7.32 40 ~ 11 4.46 6.49 8.25 2.44 2.57 5.66 4.80 13 8.58 11 28 11 23 34 14 23 39 37 14 2.29 ~ 16.12 40.16 29.00
5 12 10 26 32 21 13 17 17 24 28 19 10 18 55 15 18 21 22 16 23 7.99 12 5.87 5.98 23 22 4.11 5.88 6.10 7.10 10 17.00 54.76 31.00
6 32 13 6.76 20 16 17 8.44 10 11 14 27 27 17 21 10 8.50 9 21 20 17 18 30 22 6.27 25 61 20 23 22 6.32 ~ 18.59 61.10 30.00
7 10 16 12 13 7.08 4.78 4.91 5.08 6.45 15 26 9 15 28 19 20 17 11 8.88 5.98 5.74 10 14 24 15 9 13 15 19 16 18 13.36 28.49 31.00
8 15 7.04 31 26 19 6.08 8.69 16 32 5.87 7.14 18 36 20 3.66 17 23 22 21 17 15 37 16 50 39 42 27 12 7.67 13 11 20.11 50.14 31.00
9 75 29 12 17 33 12 4.67 10 6.33 7.16 42 29 5.33 5.53 46 56 46 66 10 4.30 3.54 3.47 15 7.22 13 17 2.48 42 74 5.77 ~ 23.40 75.18 30.00
10 13 7.00 14 11 17 55 113 44 28 21 23 8.56 10 6.46 8.26 16 59 70 68 51 23 44 21 9 5.92 13 14 12 34 46 27 28.82 112.93 31.00
11 83 13 11 25 63 52 62 46 43 40 74 26 19 13 42 23 ~ 26 22 53 60 81 115 43 41 27 57 70 53 75 ~ 46.76 115.43 29.00
12 22 29 20 10 10 26 34 87 185 33 40 10 10 13 31 51 41 80 67 30 50 36 62 93 23 27 6.92 17 26 76 130 44.40 184.77 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 22 11 3 2 2 1 0 87 41 19 8 5 3 1 0 472
REL. 52.8 25.2 12.6 3.4 2.2 2.2 1.1 0.0 100.0 47.1 21.8 9.2 5.7 3.4 1.1 0.016.1
ID 52 25 12 6 11 57 143 0 310
ABS. 88 2 0 0 0 0 0 0 90 2 0 0 0 0 0 0 61
REL. 97.7 2.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 2.2 0.0 0.0 0.0 0.0 0.0 0.0 26.6
ID 97 2 0 0 0 0 0 0 100
ABS. 87 5 0 0 0 0 0 0 92 5 0 0 0 0 0 0 75
REL. 94.5 5.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 5.4 0.0 0.0 0.0 0.0 0.0 0.0 1.9
ID 94 5 0 0 0 0 0 0 100
ABS. 63 24 3 1 0 0 0 0 91 28 4 1 0 0 0 0 185
REL 69.2 26.3 3.2 1.0 0.0 0.0 0.0 0.0100.0 30.8 4.4 1.1 0.0 0.0 0.0 0.0 9.12
ID 69 26 3 2 0 0 0 0 101
Year
ABS. 284 53 14 4 2 2 1 0 360 76 23 9 5 3 1 0 472
REL. 78.8 14.7 3.8 1.1 0.5 0.5 0.2 0.0100.0 21.1 6.4 2.5 1.4 0.8 0.3 0.0 16.1
ID 78 14 3 2 2 13 34 0 151

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