Detailed overview of ambient air pollution valuis from individual stations

819 - Knezeves

Year: 1997
Pollutant:SO2-sulphur dioxide
Station: 819 - Knezeves
Code:CZRARVKNE
Institution:VURV
Region:Stredocesky
District:Rakovnik
IHd: 150
Measure method:West-Gaeke spectrophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 92 92 89 105 94 92 94 119 145 86 ~ ~ ~ 115 110 105 107 ~ 107 101 82 80 185 45 92 74 33 96 84 70 41 93.89 185.00 27.00
2 ~ ~ 60 38 31 21 38 15 7.00 16 28 15 12 7.00 15 17 23 33 28 17 19 14 14 29 35 28 ~ ~ ~ ~ ~ 23.33 60.00 24.00
3 18 24 ~ 42 32 33 26 25 18 17 17 26 31 30 20 19 15 15 23 21 18 22 18 22 26 18 36 37 30 26 28 24.43 42.00 30.00
4 43 41 49 27 22 18 51 53 34 29 27 27 25 18 45 51 37 28 ~ ~ ~ ~ 17 17 25 31 17 ~ ~ ~ ~ 31.83 53.00 23.00
5 33 26 21 28 19 26 19 22 25 19 17 21 23 16 26 17 15 21 20 26 22 23 19 26 9.00 25 20 18 22 24 18 21.48 33.00 31.00
6 ~ 26 21 26 17 21 23 23 26 17 17 25 21 ~ ~ ~ 19 22 22 19 25 21 15 26 22 25 19 14 19 ~ ~ 21.24 26.00 25.00
7 21 18 17 24 16 22 19 24 16 22 28 24 18 15 9.00 23 15 22 17 4.00 18 16 26 11 23 18 14 30 20 17 16 18.81 30.00 31.00
8 14 22 15 17 16 10 12 13 16 11 18 17 19 13 10 11 ~ 9.00 7.00 17 14 14 16 12 11 15 10 14 14 8.00 11 13.53 22.00 30.00
9 15 9.00 9.00 12 11 6.00 6.00 4.00 14 10 12 14 8.00 6.00 16 14 10 7.00 16 17 17 10 13 ~ 10 12 12 14 10 10 ~ 11.17 17.00 29.00
10 ~ 19 17 24 16 14 23 21 17 14 12 13 17 20 21 24 15 23 27 25 26 24 20 17 21 23 ~ 38 22 ~ ~ 20.48 38.00 27.00
11 19 28 26 39 44 79 78 31 77 55 40 57 44 28 46 48 52 35 74 85 43 71 38 48 45 57 31 66 32 61 ~ 49.23 85.00 30.00
12 ~ 20 5.00 8.00 9.00 19 13 12 8.00 13 8.00 5.00 12 12 5.00 5.00 7.00 22 7.00 25 5.00 8.00 12 8.00 13 19 7.00 8.00 2.00 20 22 11.30 25.00 30.00

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 15 9 1 0 0 0 0 81 25 10 1 0 0 0 0 185
REL. 69.1 18.5 11.1 1.2 0.0 0.0 0.0 0.0 100.0 30.9 12.3 1.2 0.0 0.0 0.0 0.023.1
ID 69 18 11 2 0 0 0 0 101
ABS. 76 3 0 0 0 0 0 0 79 3 0 0 0 0 0 0 53
REL. 96.2 3.7 0.0 0.0 0.0 0.0 0.0 0.0 100.0 3.8 0.0 0.0 0.0 0.0 0.0 0.0 8.4
ID 96 3 0 0 0 0 0 0 100
ABS. 90 0 0 0 0 0 0 0 90 0 0 0 0 0 0 0 30
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 28.7
ID 100 0 0 0 0 0 0 0 100
ABS. 75 12 0 0 0 0 0 0 87 12 0 0 0 0 0 0 85
REL 86.2 13.7 0.0 0.0 0.0 0.0 0.0 0.0100.0 13.8 0.0 0.0 0.0 0.0 0.0 0.020.11
ID 86 13 0 0 0 0 0 0 100
Year
ABS. 297 30 9 1 0 0 0 0 337 40 10 1 0 0 0 0 185
REL. 88.1 8.9 2.6 0.2 0.0 0.0 0.0 0.0100.0 11.9 3.0 0.3 0.0 0.0 0.0 0.0 23.1
ID 88 8 2 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