Detailed overview of ambient air pollution valuis from individual stations

261 - Chomutov-OHS

Year: 1997
Pollutant:SO2-sulphur dioxide
Station: 261 - Chomutov-OHS
Code:CZCVHSCHO
Institution:Public Health Service
Region:Severocesky
District:Chomutov
IHd: 150
Measure method:coulometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 200 170 80 110 40 170 160 90 60 90 ~ 160 290 210 240 310 290 ~ 100 70 90 50 50 60 70 60 80 10 10 10 10 115.17 310.00 29.00
2 20 80 70 30 10 20 20 20 20 40 20 20 10 10 10 10 30 20 10 10 10 10 30 20 20 10 10 40 ~ ~ ~ 22.50 80.00 28.00
3 20 ~ 10 50 20 10 50 80 30 40 30 80 10 10 10 10 10 10 10 10 10 10 10 20 40 50 10 10 10 ~ ~ 23.93 80.00 28.00
4 26 7.00 13 9.00 6.00 9.00 15 42 58 6.00 5.00 ~ ~ 6.00 8.00 6.00 8.00 7.00 13 11 33 12 5.00 8.00 7.00 3.00 4.00 3.00 4.00 3.00 ~ 12.04 58.00 28.00
5 3.00 3.00 3.00 3.00 3.00 3.00 7.00 7.00 7.00 3.00 3.00 3.00 4.00 4.00 3.00 3.00 3.00 3.00 3.00 17 7.00 5.00 6.00 11 10 23 6.00 8.00 14 10 10 6.39 23.00 31.00
6 20 32 20 23 22 11 25 6.00 10 23 28 24 5.00 5.00 7.00 19 15 26 19 5.00 12 4.00 6.00 7.00 19 9.00 19 32 13 8.00 ~ 15.80 32.00 30.00
7 10 30 10 10 10 10 10 10 10 20 20 10 10 20 10 10 20 10 10 10 10 10 10 20 10 10 10 10 20 40 10 13.55 40.00 31.00
8 4.00 10 20 20 10 20 30 20 30 20 20 20 30 10 10 10 30 50 20 20 10 40 10 10 20 10 40 20 4.00 4.00 10 18.77 50.00 31.00
9 20 10 30 20 10 4.00 6.00 4.00 10 4.00 20 30 4.00 10 30 4.00 40 10 3.00 10 30 30 10 10 30 30 20 50 10 ~ ~ 17.21 50.00 29.00
10 6.00 7.00 4.00 4.00 5.00 5.00 15 8.00 10 5.00 4.00 5.00 4.00 5.00 4.00 7.00 11 16 28 12 17 32 9.00 5.00 7.00 5.00 5.00 23 39 80 24 13.26 80.00 31.00
11 19 18 7.00 16 29 50 21 25 17 7.00 27 25 8.00 11 13 16 18 25 14 24 27 45 64 59 29 41 40 20 13 7.00 ~ 24.50 64.00 30.00
12 5.00 10 10 4.00 5.00 12 8.00 11 9.00 14 4.00 3.00 5.00 6.00 48 78 17 18 26 45 16 21 16 16 6.00 8.00 3.00 4.00 5.00 8.00 29 15.16 78.00 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. 59 15 1 6 3 1 0 0 85 26 11 10 4 1 0 0 310
REL. 69.4 17.6 1.1 7.0 3.5 1.1 0.0 0.0 100.0 30.6 12.9 11.8 4.7 1.2 0.0 0.016.1
ID 69 17 1 14 17 29 0 0 149
ABS. 88 1 0 0 0 0 0 0 89 1 0 0 0 0 0 0 58
REL. 98.8 1.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 9.4
ID 98 1 0 0 0 0 0 0 100
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 50
REL.100.0 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 18.8
ID 100 0 0 0 0 0 0 0 100
ABS. 88 4 0 0 0 0 0 0 92 4 0 0 0 0 0 0 80
REL 95.6 4.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 4.3 0.0 0.0 0.0 0.0 0.0 0.030.10
ID 95 4 0 0 0 0 0 0 100
Year
ABS. 326 20 1 6 3 1 0 0 357 31 11 10 4 1 0 0 310
REL. 91.3 5.6 0.2 1.6 0.8 0.2 0.0 0.0100.0 8.7 3.1 2.8 1.1 0.3 0.0 0.0 16.1
ID 91 5 3 4 7 0 0 111

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