Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:PM10-PM 10 particulate matter 10
Station:1026 - Louny
Code:CZLNCMLOU
Institution:Czech Hydrometeorological Institute
Region:Severocesky
District:Louny
IHd: 75
Measure method:radiometry - beta ray absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 58 58 65 14 15 57 34 14 22 29 33 27 37 11 11 38 62 97 53 44 45 63 56 70 23 16 27 21 16 20 41 37.92 96.58 31.00
2 67 22 15 11 7.69 10 12 14 70 99 69 31 22 51 82 19 8.70 15 41 20 18 10 11 14 21 31 59 26 ~ ~ ~ 31.26 99.00 28.00
3 21 10 18 60 41 25 29 29 53 42 35 53 80 109 49 48 51 75 74 18 29 27 17 26 59 63 48 33 42 71 76 45.57 109.03 31.00
4 80 68 64 24 30 20 29 17 32 22 30 25 23 21 13 11 16 21 30 26 39 16 19 24 22 29 25 33 30 38 ~ 29.24 79.92 30.00
5 41 16 31 31 25 32 33 40 17 27 26 25 16 17 20 19 25 39 44 46 24 26 18 25 24 29 31 40 40 34 21 28.40 45.82 31.00
6 18 21 15 13 12 8.74 10 16 14 26 19 15 14 17 19 17 20 7.28 12 14 10 12 17 18 24 24 17 15 14 16 ~ 15.87 25.74 30.00
7 17 16 17 23 20 17 31 18 21 29 26 23 17 18 14 18 26 19 24 23 20 16 13 18 17 28 19 24 25 22 30 20.92 30.54 31.00
8 30 39 60 65 42 26 17 15 20 11 14 19 17 23 10 8.57 10 12 10 14 14 13 22 23 42 46 42 31 13 18 22 23.98 64.60 31.00
9 14 9 23 31 21 21 15 23 33 43 37 28 35 32 60 41 44 17 44 21 4.64 8.73 11 9 22 9 6.29 12 6.43 6.23 ~ 22.96 59.82 30.00
10 8.53 6.92 6.92 9 13 8.92 6.36 15 6.19 4.68 8.10 11 26 14 15 14 8.68 32 35 36 36 37 27 26 28 14 16 16 24 41 23 18.48 40.74 31.00
11 26 36 19 46 72 37 17 10 10 29 38 43 22 10 28 40 24 15 32 36 40 22 31 24 69 54 35 68 44 51 ~ 34.25 72.07 30.00
12 14 11 10 7.06 7.63 10 8.31 11 12 13 9 4.90 5.44 10 19 15 16 10 11 12 26 66 80 49 52 22 18 18 16 16 58 20.65 80.14 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. 34 27 22 7 0 0 0 0 90 56 29 7 0 0 0 0 109
REL. 37.7 30.0 24.4 7.7 0.0 0.0 0.0 0.0 100.0 62.2 32.2 7.8 0.0 0.0 0.0 0.014.3
ID 37 30 24 15 0 0 0 0 107
ABS. 59 29 2 1 0 0 0 0 91 32 3 1 0 0 0 0 80
REL. 64.8 31.8 2.1 1.0 0.0 0.0 0.0 0.0 100.0 35.2 3.3 1.1 0.0 0.0 0.0 0.0 1.4
ID 64 31 2 2 0 0 0 0 101
ABS. 65 24 3 0 0 0 0 0 92 27 3 0 0 0 0 0 65
REL. 70.6 26.0 3.2 0.0 0.0 0.0 0.0 0.0100.0 29.3 3.3 0.0 0.0 0.0 0.0 0.0 4.8
ID 70 26 3 0 0 0 0 0 100
ABS. 56 27 8 1 0 0 0 0 92 36 9 1 0 0 0 0 80
REL 60.8 29.3 8.6 1.0 0.0 0.0 0.0 0.0100.0 39.1 9.8 1.1 0.0 0.0 0.0 0.023.12
ID 60 29 8 2 0 0 0 0 101
Year
ABS. 214 107 35 9 0 0 0 0 365 151 44 9 0 0 0 0 109
REL. 58.6 29.3 9.5 2.4 0.0 0.0 0.0 0.0100.0 41.4 12.1 2.5 0.0 0.0 0.0 0.0 14.3
ID 58 29 9 4 0 0 0 0 102

Note:

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