Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:SO2-sulphur dioxide
Station:1011 - Usti n.L.-Kockov
Code:CZULCMUNK
Institution:CHMI
Region:Severocesky
District:Usti nad Labem
IHd: 150
Measure method:UV-fluorescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 104 46 19 33 26 16 37 25 10 35 85 78 99 103 71 30 23 36 44 18 5.90 18 28 46 51 111 170 75 23 32 10 48.70 169.91 31.00
2 90 99 26 68 91 79 38 24 54 65 54 8.77 16 15 18 26 15 33 35 93 58 62 13 11 7.57 19 20 8.78 ~ ~ ~ 40.95 98.64 28.00
3 14 19 30 21 7.32 23 25 8.09 5.59 25 76 50 10 6.03 14 11 6.03 8.19 7.77 5.60 8.08 15 20 17 34 47 44 22 46 61 102 25.48 102.34 31.00
4 65 17 23 28 25 42 29 11 26 16 23 4.37 7.52 33 32 30 13 7.00 9 70 36 18 35 38 32 18 19 10 13 8.79 ~ 24.66 70.25 30.00
5 10 23 15 4.77 16 38 64 23 21 18 14 12 8.81 19 4.21 4.78 5.51 5.25 5.18 5.02 7.77 5.64 12 11 21 37 19 12 15 11 54 16.87 64.16 31.00
6 35 36 42 17 22 29 19 54 43 19 11 4.75 6.47 16 30 18 13 7.99 16 12 22 14 18 14 22 18 38 14 17 25 ~ 21.75 54.40 30.00
7 20 9 17 8.19 6.79 11 10 6.43 7.70 13 8.48 21 22 8.41 23 24 27 18 16 27 24 15 18 8.78 6.45 16 21 10 32 19 19 15.92 32.00 31.00
8 12 16 8.84 19 6.84 24 14 23 6.61 30 56 34 10 23 28 21 34 13 18 31 24 7.15 11 10 7.54 19 9 5.92 5.96 21 6.82 17.93 56.10 31.00
9 12 18 20 23 13 17 27 21 16 17 8.81 10 12 19 12 22 18 7.11 11 8.71 12 23 17 36 43 54 74 41 10 13 ~ 21.13 73.77 30.00
10 23 17 20 24 27 21 11 33 18 20 17 13 14 23 17 27 12 12 44 14 20 33 13 15 13 14 16 11 13 11 22 18.97 43.90 31.00
11 11 23 17 21 18 17 25 33 32 28 11 79 37 28 13 18 4.23 20 5.95 6.76 34 67 42 38 61 42 37 39 29 53 ~ 29.68 78.68 30.00
12 54 43 45 22 11 16 18 34 69 126 97 77 30 23 46 24 56 57 19 8.35 10 21 41 26 22 18 26 39 78 39 23 39.20 125.88 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. 66 19 4 1 0 0 0 0 90 24 5 1 0 0 0 0 170
REL. 73.3 21.1 4.4 1.1 0.0 0.0 0.0 0.0 100.0 26.7 5.6 1.1 0.0 0.0 0.0 0.027.1
ID 73 21 4 2 0 0 0 0 101
ABS. 86 5 0 0 0 0 0 0 91 5 0 0 0 0 0 0 70
REL. 94.5 5.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 5.5 0.0 0.0 0.0 0.0 0.0 0.0 20.4
ID 94 5 0 0 0 0 0 0 100
ABS. 89 3 0 0 0 0 0 0 92 3 0 0 0 0 0 0 74
REL. 96.7 3.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 3.3 0.0 0.0 0.0 0.0 0.0 0.0 27.9
ID 96 3 0 0 0 0 0 0 100
ABS. 80 11 1 0 0 0 0 0 92 12 1 0 0 0 0 0 126
REL 86.9 11.9 1.0 0.0 0.0 0.0 0.0 0.0100.0 13.0 1.1 0.0 0.0 0.0 0.0 0.010.12
ID 86 11 1 0 0 0 0 0 100
Year
ABS. 321 38 5 1 0 0 0 0 365 44 6 1 0 0 0 0 170
REL. 87.9 10.4 1.3 0.2 0.0 0.0 0.0 0.0100.0 12.1 1.6 0.3 0.0 0.0 0.0 0.0 27.1
ID 87 10 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