Detailed overview of ambient air pollution valuis from individual stations

951 - Prachen

Year: 1997
Pollutant:SO2-sulphur dioxide
Station: 951 - Prachen
Code:CZCLCMPRA
Institution:CHMI
Region:Severocesky
District:Ceska Lipa
IHd: 150
Measure method:West-Gaeke spectrophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 140 61 51 118 307 155 52 ~ ~ ~ ~ ~ ~ ~ ~ 102 151 150 157 365 224 112 60 287 94 72 69 56 42 81 88 130.17 365.00 23.00
2 53 75 86 67 80 ~ ~ ~ ~ ~ ~ ~ 28 43 38 35 60 68 41 44 39 10 46 11 34 17 30 24 ~ ~ ~ 44.24 86.00 21.00
3 38 23 42 32 26 ~ ~ ~ ~ ~ ~ ~ 6.00 16 41 17 8.00 11 8.00 30 31 10 9.00 18 11 23 6.00 3.00 3.00 3.00 4.00 17.46 42.00 24.00
4 24 16 6.00 7.00 9.00 10 9.00 24 13 11 9.00 8.00 15 4.00 6.00 6.00 10 6.00 7.00 24 23 7.00 22 10 13 13 11 9.00 4.00 4.00 ~ 11.33 24.00 30.00
5 4.00 5.00 6.00 6.00 4.00 3.00 5.00 8.00 12 16 7.00 6.00 5.00 7.00 6.00 10 5.00 12 10 4.00 11 16 3.00 7.00 8.00 7.00 4.00 7.00 4.00 8.00 7.00 7.19 16.00 31.00
6 20 11 5.00 17 8.00 6.00 7.00 ~ ~ ~ ~ ~ ~ ~ ~ 4.00 7.00 22 20 14 9.00 14 6.00 8.00 5.00 12 14 9.00 6.00 4.00 ~ 10.36 22.00 22.00
7 9.00 3.00 4.00 3.00 6.00 2.00 2.00 2.00 7.00 7.00 9.00 10 25 9.00 8.00 7.00 5.00 6.00 5.00 5.00 8.00 5.00 10 10 5.00 5.00 5.00 7.00 1.00 7.00 7.00 6.58 25.00 31.00
8 1.00 7.00 22 21 25 6.00 7.00 34 20 9.00 5.00 8.00 11 5.00 6.00 15 ~ 12 7.00 ~ 13 15 18 17 17 26 20 8.00 6.00 16 14 13.48 34.00 29.00
9 19 15 17 9.00 8.00 9.00 10 7.00 7.00 13 9.00 11 19 16 25 14 14 26 7.00 6.00 7.00 12 13 14 11 11 14 24 16 9.00 ~ 13.07 26.00 30.00
10 8.00 9.00 25 16 14 9.00 13 11 13 9.00 8.00 4.00 18 13 13 11 18 17 21 29 25 38 63 35 38 22 8.00 17 35 45 28 20.42 63.00 31.00
11 26 11 10 21 17 19 41 17 14 16 12 15 7.00 25 20 11 21 12 16 37 47 25 109 37 28 34 24 17 12 27 ~ 24.27 109.00 30.00
12 18 30 24 14 29 31 17 29 23 25 30 9.00 9.00 23 ~ 31 19 36 22 13 15 26 23 21 34 15 23 45 52 19 34 24.63 52.00 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. 39 17 5 4 1 2 0 0 68 29 12 7 3 2 0 0 365
REL. 57.3 25.0 7.3 5.8 1.4 2.9 0.0 0.0 100.0 42.6 17.6 10.3 4.4 2.9 0.0 0.020.1
ID 57 25 7 11 7 73 0 0 182
ABS. 83 0 0 0 0 0 0 0 83 0 0 0 0 0 0 0 24
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 1.4
ID 100 0 0 0 0 0 0 0 100
ABS. 90 0 0 0 0 0 0 0 90 0 0 0 0 0 0 0 34
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 8.8
ID 100 0 0 0 0 0 0 0 100
ABS. 88 2 1 0 0 0 0 0 91 3 1 0 0 0 0 0 109
REL 96.7 2.1 1.0 0.0 0.0 0.0 0.0 0.0100.0 3.3 1.1 0.0 0.0 0.0 0.0 0.023.11
ID 96 2 1 0 0 0 0 0 100
Year
ABS. 300 19 6 4 1 2 0 0 332 32 13 7 3 2 0 0 365
REL. 90.3 5.7 1.8 1.2 0.3 0.6 0.0 0.0100.0 9.6 3.9 2.1 0.9 0.6 0.0 0.0 20.1
ID 90 5 1 2 1 15 0 0 116

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