Detailed overview of ambient air pollution valuis from individual stations

1026 - Louny

Year: 1997
Pollutant:SO2-sulphur dioxide
Station:1026 - Louny
Code:CZLNCMLOU
Institution:CHMI
Region:Severocesky
District:Louny
IHd: 150
Measure method:UV-fluorescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 148 163 105 98 77 147 194 138 79 98 74 34 105 194 170 232 190 117 111 70 84 55 67 75 65 63 102 42 23 21 25 102.17 232.30 31.00
2 35 64 99 31 18 22 36 38 28 17 12 12 10 8.63 25 21 38 21 18 20 14 11 12 20 11 17 20 ~ ~ ~ ~ 25.14 99.49 27.00
3 20 25 17 14 23 30 24 26 23 22 24 24 12 17 13 15 18 21 20 19 20 15 18 29 66 26 12 3.52 11 24 13 20.77 66.00 31.00
4 25 19 15 5.81 10 14 15 46 57 21 17 8.28 44 21 13 13 27 14 11 13 27 20 23 15 16 18 8.29 7.03 10 29 ~ 19.40 57.46 30.00
5 22 15 14 8.76 6.10 5.98 21 20 4.94 4.12 7.30 19 20 12 25 12 13 12 6.25 10 5.22 7.88 10 7.19 11 20 8.60 7.05 16 6.70 7.13 11.71 24.55 31.00
6 11 29 11 16 11 8.65 10 7.77 6.03 9 13 17 15 5.42 8.88 23 26 32 18 5.92 3.49 2.49 4.81 14 14 4.97 21 23 11 11 ~ 13.10 31.65 30.00
7 15 6.20 21 17 7.86 10 15 7.22 11 11 16 11 6.41 15 5.65 8.46 14 8.90 6.39 6.24 12 7.45 8.49 17 6.49 6.73 4.66 6.29 14 14 11 10.53 20.53 31.00
8 14 10 10 15 7.59 7.58 12 12 14 13 7.16 4.41 6.01 8.26 16 10 14 20 6.34 12 6.12 5.49 18 4.40 14 7.73 8.87 6.04 5.54 2.78 8.22 9.86 19.79 31.00
9 11 8.19 12 25 6.83 9 7.78 9 10 3.05 28 6.61 3.85 6.59 5.71 8.40 6.80 10 10 14 12 26 25 7.14 11 25 11 21 16 14 ~ 12.34 27.58 30.00
10 12 3.94 10 9 10 11 12 5.75 6.52 6.01 4.84 13 11 11 13 11 19 13 14 16 28 22 17 10 7.03 11 15 21 51 53 44 15.83 52.59 31.00
11 25 51 21 31 33 29 28 15 8.93 7.73 28 20 11 15 9 18 19 22 21 33 37 43 59 70 35 40 49 29 11 13 ~ 27.71 70.11 30.00
12 26 32 27 19 22 13 17 17 16 12 10 8.62 11 19 35 46 26 31 29 22 22 48 15 5.98 5.36 5.23 7.45 8.49 10 16 19 19.42 47.92 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. 60 15 8 5 1 0 0 0 89 29 14 6 1 0 0 0 232
REL. 67.4 16.8 8.9 5.6 1.1 0.0 0.0 0.0 100.0 32.6 15.7 6.7 1.1 0.0 0.0 0.016.1
ID 67 16 8 11 5 0 0 0 110
ABS. 90 1 0 0 0 0 0 0 91 1 0 0 0 0 0 0 57
REL. 98.9 1.0 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. 92 0 0 0 0 0 0 0 92 0 0 0 0 0 0 0 28
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 11.9
ID 100 0 0 0 0 0 0 0 100
ABS. 87 5 0 0 0 0 0 0 92 5 0 0 0 0 0 0 70
REL 94.5 5.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 5.4 0.0 0.0 0.0 0.0 0.0 0.024.11
ID 94 5 0 0 0 0 0 0 100
Year
ABS. 329 21 8 5 1 0 0 0 364 35 14 6 1 0 0 0 232
REL. 90.3 5.7 2.1 1.3 0.2 0.0 0.0 0.0100.0 9.6 3.8 1.6 0.3 0.0 0.0 0.0 16.1
ID 90 5 2 2 1 0 0 0 102

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