Detailed overview of ambient air pollution valuis from individual stations


Year: 1998
Pollutant:PM10-PM 10 particulate matter 10
Station:1026 - Louny
Code:CZLNCMLOU
Institution:CHMI
Region:Severocesky
District:Louny
IHd: 75
Measure method:radiometry - beta ray absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 41 49 9 9 10 11 21 10 12 31 30 39 38 49 51 63 11 25 15 15 12 23 35 39 60 87 69 48 32 29 35 32.51 86.55 31.00
2 45 58 37 43 78 40 49 24 23 42 54 52 28 29 19 37 14 23 54 66 99 125 36 17 9 22 27 23 ~ ~ ~ 41.97 125.10 28.00
3 20 15 15 113 41 8.98 10 8.35 16 24 40 36 26 12 18 14 13 18 17 11 15 16 37 25 40 66 55 38 47 58 69 30.39 112.75 31.00
4 66 14 20 16 10 20 20 68 38 30 16 22 25 19 30 23 23 31 17 20 26 29 26 16 18 19 24 34 ~ ~ ~ 25.76 68.00 28.00
5 27 15 22 14 23 22 17 39 70 3.85 10 53 34 33 27 40 45 25 32 31 13 18 15 10 11 13 15 29 24 20 19 24.84 70.17 31.00
6 11 23 14 13 24 21 22 11 11 14 12 10 11 17 13 15 11 12 13 19 15 23 17 10 22 30 15 11 9 17 ~ 15.54 29.89 30.00
7 7.96 10 19 10 8.56 8.84 8.11 5.57 13 8.16 10 5.49 8.52 6.87 11 17 21 12 9 14 17 19 21 19 17 17 18 15 7.18 8.29 9 12.40 21.20 31.00
8 13 12 11 13 13 13 14 16 14 15 23 25 13 17 19 18 19 27 17 24 11 8.85 9 9 10 21 7.29 6.68 6.70 8.20 8.09 14.28 26.57 31.00
9 19 17 20 16 14 7.08 15 12 10 15 11 7.09 7.34 7.07 5.81 8.05 7.23 10 12 14 10 18 24 38 47 32 37 10 10 27 ~ 16.30 47.01 30.00
10 16 12 16 27 23 20 22 9 16 7.89 5.80 8.49 10 8.42 16 23 18 6.64 27 15 19 14 18 8.97 6.67 7.09 6.90 6.09 5.60 6.05 7.32 13.28 26.82 31.00
11 7.80 17 12 6.65 11 12 17 63 34 36 10 16 31 29 27 24 11 16 26 14 31 64 55 54 41 77 103 162 77 76 ~ 38.73 161.75 30.00
12 48 92 86 37 15 15 14 19 50 223 109 123 26 18 28 16 50 82 26 12 14 30 74 59 20 10 14 91 106 69 47 52.44 223.37 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- 25 26- 50 51- 75 76- 113 114- 150 151- 225 226- 300 over 300 25 50 75 113 150 225 300
ABS. 39 33 13 3 2 0 0 0 90 51 18 5 2 0 0 0 125
REL. 43.3 36.6 14.4 3.3 2.2 0.0 0.0 0.0 100.0 56.7 20.0 5.6 2.2 0.0 0.0 0.022.2
ID 43 36 14 6 11 0 0 0 112
ABS. 65 20 4 0 0 0 0 0 89 24 4 0 0 0 0 0 70
REL. 73.0 22.4 4.4 0.0 0.0 0.0 0.0 0.0 100.0 27.0 4.5 0.0 0.0 0.0 0.0 0.0 9.5
ID 73 22 4 0 0 0 0 0 100
ABS. 86 6 0 0 0 0 0 0 92 6 0 0 0 0 0 0 47
REL. 93.4 6.5 0.0 0.0 0.0 0.0 0.0 0.0100.0 6.5 0.0 0.0 0.0 0.0 0.0 0.0 25.9
ID 93 6 0 0 0 0 0 0 100
ABS. 53 18 8 10 1 2 0 0 92 39 21 13 3 2 0 0 223
REL 57.6 19.5 8.6 10.8 1.0 2.1 0.0 0.0100.0 42.4 22.8 14.1 3.3 2.2 0.0 0.010.12
ID 57 19 8 21 5 54 0 0 167
Year
ABS. 243 77 25 13 3 2 0 0 363 120 43 18 5 2 0 0 223
REL. 66.9 21.2 6.8 3.5 0.8 0.5 0.0 0.0100.0 33.1 11.8 5.0 1.4 0.6 0.0 0.010.12
ID 66 21 6 7 4 13 0 0 120

Note:

1 frequency < 60 per quarter, or < 240 per annum
2 frequency < 30 per quarter, or < 120 per annum