Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:SO2-sulphur dioxide
Station: 266 - Duchcov-MU
Code:CZTPHSDMU
Institution:Public Health Service
Region:Severocesky
District:Teplice
IHd: 150
Measure method:coulometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 110 48 33 25 21 25 64 122 146 184 250 289 204 228 137 102 92 98 84 73 66 73 72 ~ 72 108 208 92 73 65 61 107.50 289.00 30.00
2 64 99 63 78 99 81 66 79 93 136 131 52 60 115 135 102 60 38 68 90 62 94 190 130 118 68 59 41 ~ ~ ~ 88.25 190.00 28.00
3 36 35 39 77 38 31 32 29 24 23 21 21 21 22 20 25 27 29 24 21 21 19 17 21 20 19 18 27 27 28 26 27.03 77.00 31.00
4 42 28 25 19 19 20 18 21 25 24 19 19 19 17 18 18 19 20 18 21 20 24 32 32 94 74 46 46 49 35 ~ 29.37 94.00 30.00
5 39 33 40 28 28 30 61 60 81 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 44.44 81.00 9.00
6 11 9.00 11 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 98 88 57 62 32 65 59 ~ 49.20 98.00 10.00
7 47 57 ~ ~ 71 62 58 62 ~ 12 22 26 43 31 32 30 23 26 32 54 83 76 76 66 53 49 50 40 31 ~ 28 45.93 83.00 27.00
8 33 48 25 24 22 25 32 46 44 34 44 69 32 22 28 36 40 43 35 38 24 18 14 13 13 16 6.00 ~ 4.00 10 7.00 28.17 69.00 30.00
9 33 48 25 24 22 25 32 46 44 34 44 69 32 22 28 36 40 43 35 38 24 18 14 13 13 16 6.00 ~ 4.00 10 ~ 28.90 69.00 29.00

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. 37 32 13 4 3 0 0 0 89 52 20 7 3 0 0 0 289
REL. 41.5 35.9 14.6 4.4 3.3 0.0 0.0 0.0 100.0 58.4 22.5 7.9 3.4 0.0 0.0 0.012.1
ID 41 35 14 8 16 0 0 0 117
ABS. 38 11 0 0 0 0 0 0 491 11 0 0 0 0 0 0 98
REL. 77.5 22.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 22.4 0.0 0.0 0.0 0.0 0.0 0.0 24.6
ID 77 22 0 0 0 0 0 0 100
ABS. 73 13 0 0 0 0 0 0 86 13 0 0 0 0 0 0 83
REL. 84.8 15.1 0.0 0.0 0.0 0.0 0.0 0.0100.0 15.1 0.0 0.0 0.0 0.0 0.0 0.0 21.7
ID 84 15 0 0 0 0 0 0 100
ABS. 0 0 0 0 0 0 0 0 02 0 0 0 0 0 0 0 0
Year
ABS. 148 56 13 4 3 0 0 0 2241 76 20 7 3 0 0 0 289
REL. 66.0 25.0 5.8 1.7 1.3 0.0 0.0 0.0100.0 33.9 8.9 3.1 1.3 0.0 0.0 0.0 12.1
ID 66 25 5 3 6 0 0 0 107

Note:

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