Detailed overview of ambient air pollution valuis from individual stations

409 - Chomutov-NSP

Year: 1997
Pollutant:SO2-sulphur dioxide
Station: 409 - Chomutov-NSP
Code:CZCVHSCHU
Institution:Public Health Service
Region:Severocesky
District:Chomutov
IHd: 150
Measure method:coulometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 350 320 140 190 90 320 240 120 130 170 160 170 310 260 290 360 170 340 140 ~ 120 90 30 30 20 20 70 30 30 20 20 158.33 360.00 30.00
2 20 70 ~ 40 20 20 30 20 30 50 40 60 50 40 40 40 60 40 30 30 30 30 60 50 40 30 30 40 ~ ~ ~ 38.52 70.00 27.00
3 40 40 ~ ~ ~ ~ 30 30 30 30 30 40 10 30 30 30 30 40 40 30 40 40 30 50 60 60 30 20 20 20 20 33.33 60.00 27.00
4 32 30 26 17 23 16 26 63 81 26 20 22 31 21 19 22 9.00 9.00 9.00 9.00 56 39 29 13 10 11 11 35 34 20 ~ 25.63 81.00 30.00
5 11 35 27 41 42 29 45 44 30 32 41 29 46 46 66 57 53 50 17 22 35 32 30 19 39 26 17 15 11 5.00 20 32.65 66.00 31.00
6 41 ~ 35 9.00 40 16 9.00 ~ 75 99 91 63 55 67 45 54 56 48 62 32 48 33 31 26 46 48 52 70 59 44 ~ 48.36 99.00 28.00
7 50 60 60 40 30 30 20 40 30 50 60 50 50 50 40 50 60 40 30 30 30 30 40 40 40 30 30 30 50 50 30 40.97 60.00 31.00
8 20 10 20 10 50 60 60 70 80 70 60 30 20 ~ 50 60 70 60 30 40 50 70 30 30 20 20 70 20 30 40 10 42.00 80.00 30.00
9 40 10 50 40 20 10 10 10 10 10 30 50 10 10 60 50 40 10 10 20 30 30 20 10 40 40 10 40 50 30 ~ 26.67 60.00 30.00
10 12 14 8.00 5.00 14 39 23 25 27 23 23 22 22 12 11 23 31 33 34 33 29 31 31 22 20 21 23 35 44 44 35 24.81 44.00 31.00
11 34 34 28 35 36 45 38 39 36 8.00 7.00 6.00 7.00 6.00 8.00 7.00 6.00 6.00 6.00 5.00 ~ ~ ~ ~ ~ ~ 43 35 35 31 ~ 22.54 45.00 24.00
12 25 33 31 28 23 27 26 34 36 29 25 20 16 19 31 32 19 22 28 30 29 32 25 22 17 18 16 18 17 21 24 24.94 36.00 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. 56 9 5 5 3 6 0 0 84 28 19 14 9 6 0 0 360
REL. 66.6 10.7 5.9 5.9 3.5 7.1 0.0 0.0 100.0 33.3 22.6 16.7 10.7 7.1 0.0 0.016.1
ID 66 10 5 11 17 178 0 0 291
ABS. 71 18 0 0 0 0 0 0 89 18 0 0 0 0 0 0 99
REL. 79.7 20.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 20.2 0.0 0.0 0.0 0.0 0.0 0.0 10.6
ID 79 20 0 0 0 0 0 0 100
ABS. 75 16 0 0 0 0 0 0 91 16 0 0 0 0 0 0 80
REL. 82.4 17.5 0.0 0.0 0.0 0.0 0.0 0.0100.0 17.6 0.0 0.0 0.0 0.0 0.0 0.0 9.8
ID 82 17 0 0 0 0 0 0 100
ABS. 86 0 0 0 0 0 0 0 86 0 0 0 0 0 0 0 45
REL100.0 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 6.11
ID 100 0 0 0 0 0 0 0 100
Year
ABS. 288 43 5 5 3 6 0 0 350 62 19 14 9 6 0 0 360
REL. 82.2 12.2 1.4 1.4 0.8 1.7 0.0 0.0100.0 17.7 5.4 4.0 2.6 1.7 0.0 0.0 16.1
ID 82 12 1 2 4 42 0 0 146

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