Detailed overview of ambient air pollution valuis from individual stations

645 - Citov

Year: 1997
Pollutant:SO2-sulphur dioxide
Station: 645 - Citov
Code:CZMERVCIT
Institution:VURV
Region:Stredocesky
District:Melnik
IHd: 150
Measure method:West-Gaeke spectrophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ 112 156 137 62 64 67 45 44 71 71 58 71 ~ 165 196 99 72 66 94 123 72 58 52 ~ ~ 53 85 35 44 23 81.30 196.00 27.00
2 46 33 20 46 28 19 11 9.00 16 22 47 11 17 14 12 23 8.00 26 29 18 15 23 18 16 23 22 23 15 ~ ~ ~ 21.79 47.00 28.00
3 ~ ~ 13 32 21 22 22 20 ~ ~ 19 17 15 40 30 24 ~ 25 21 25 22 26 32 30 23 21 24 28 28 21 ~ 24.04 40.00 25.00
4 27 32 35 36 28 24 32 21 27 16 32 24 27 22 7.00 28 25 22 ~ 16 26 ~ ~ 32 ~ 30 23 ~ 29 ~ ~ 25.87 36.00 24.00
5 16 34 24 ~ 17 ~ 25 24 23 17 17 25 15 27 ~ 22 28 23 20 15 21 ~ 10 21 23 15 16 21 18 12 22 20.41 34.00 27.00
6 23 16 15 15 ~ 11 22 18 28 ~ 22 23 ~ ~ 24 20 24 ~ 18 ~ 11 7.00 ~ 5.00 ~ 11 ~ 16 13 12 ~ 16.86 28.00 21.00
7 15 12 11 9.00 7.00 10 10 8.00 6.00 15 10 11 12 13 6.00 7.00 11 6.00 ~ ~ ~ 17 11 12 8.00 7.00 12 15 ~ 14 14 10.70 17.00 27.00
8 10 13 11 8.00 7.00 5.00 9.00 5.00 13 13 7.00 6.00 5.00 12 12 12 5.00 8.00 ~ ~ 11 5.00 6.00 5.00 14 14 11 8.00 5.00 7.00 11 8.90 14.00 29.00
9 10 5.00 7.00 8.00 7.00 8.00 12 12 8.00 8.00 8.00 10 8.00 4.00 2.00 3.00 5.00 6.00 6.00 13 4.00 5.00 6.00 ~ ~ 15 14 6.00 ~ ~ ~ 7.69 15.00 26.00
10 19 17 19 16 20 15 20 12 3.00 10 10 13 13 11 13 15 23 14 ~ 13 17 8.00 6.00 14 19 28 23 20 18 17 20 15.53 28.00 30.00
11 19 12 10 18 37 12 35 9.00 22 26 20 14 12 19 20 10 15 20 25 28 19 29 30 24 28 26 22 30 36 25 ~ 21.73 37.00 30.00
12 24 29 31 14 ~ ~ ~ 21 11 7.00 24 ~ ~ ~ 25 ~ 24 16 17 21 23 12 36 36 25 27 26 30 21 25 ~ 22.83 36.00 23.00

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. 58 16 3 3 0 0 0 0 80 22 6 3 0 0 0 0 196
REL. 72.5 20.0 3.7 3.7 0.0 0.0 0.0 0.0 100.0 27.5 7.5 3.8 0.0 0.0 0.0 0.016.1
ID 72 20 3 7 0 0 0 0 103
ABS. 72 0 0 0 0 0 0 0 72 0 0 0 0 0 0 0 36
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.4
ID 100 0 0 0 0 0 0 0 100
ABS. 82 0 0 0 0 0 0 0 82 0 0 0 0 0 0 0 17
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 22.7
ID 100 0 0 0 0 0 0 0 100
ABS. 83 0 0 0 0 0 0 0 83 0 0 0 0 0 0 0 37
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 5.11
ID 100 0 0 0 0 0 0 0 100
Year
ABS. 295 16 3 3 0 0 0 0 317 22 6 3 0 0 0 0 196
REL. 93.0 5.0 0.9 0.9 0.0 0.0 0.0 0.0100.0 6.9 1.9 0.9 0.0 0.0 0.0 0.0 16.1
ID 93 5 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

Detailed overview of ambient air pollution valuis from individual stations - selection station