Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:PM10-PM 10 particulate matter 10
Station:1001 - Chomutov
Code:CZCVCMCHO
Institution:CHMI
Region:Severocesky
District:Chomutov
IHd: 75
Measure method:radiometry - beta ray absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 52 33 17 10 7.96 12 12 11 11 21 23 15 20 18 23 42 13 31 12 13 16 23 37 41 50 64 90 52 27 26 19 27.23 90.10 31.00
2 37 42 18 31 45 32 51 23 35 44 44 28 33 25 33 27 9 21 68 74 104 107 27 13 13 22 29 15 ~ ~ ~ 37.58 107.17 28.00
3 19 12 13 57 9 6.16 13 7.49 17 17 35 33 20 13 20 11 18 21 20 11 17 23 33 35 46 51 52 43 53 74 98 28.92 98.00 31.00
4 58 26 18 24 ~ 39 34 75 34 45 24 22 24 28 32 36 41 36 24 45 32 42 44 29 30 31 73 44 153 78 ~ 42.02 152.63 29.00
5 106 31 33 90 44 34 20 101 97 116 104 87 150 85 84 39 37 71 57 40 14 21 13 14 19 16 26 34 44 31 17 53.95 149.98 31.00
6 10 26 15 21 27 31 25 13 13 11 12 14 12 20 12 12 36 20 18 25 25 32 29 25 46 35 32 16 15 49 ~ 22.55 48.88 30.00
7 32 33 35 17 14 12 10 8.02 19 12 16 7.07 14 14 18 18 14 13 15 27 45 32 30 20 30 33 29 23 10 10 16 20.20 45.12 31.00
8 25 19 17 20 17 19 29 29 14 22 43 46 25 19 26 39 33 31 26 36 20 12 17 16 15 45 10 6.49 17 11 12 23.05 45.76 31.00
9 13 21 23 21 16 6.97 23 13 9 16 9 8.57 8.59 10 8.82 14 17 10 17 21 20 34 44 74 67 37 30 25 28 38 ~ 22.78 74.21 30.00
10 21 28 18 37 29 28 26 10 14 10 8.96 10 12 11 18 25 22 10 25 34 27 18 27 14 11 12 10 8.48 7.18 8.25 12 17.82 37.12 31.00
11 9 18 19 11 31 14 20 78 48 29 13 25 41 37 25 27 14 14 26 14 35 70 57 73 65 58 72 64 57 64 ~ 37.67 78.33 30.00
12 42 67 64 31 14 14 14 20 49 114 92 137 22 20 24 18 32 58 16 13 14 30 42 56 22 11 14 79 101 62 45 43.20 137.16 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. 46 29 11 4 0 0 0 0 90 44 15 4 0 0 0 0 107
REL. 51.1 32.2 12.2 4.4 0.0 0.0 0.0 0.0 100.0 48.9 16.7 4.4 0.0 0.0 0.0 0.022.2
ID 51 32 12 8 0 0 0 0 104
ABS. 31 42 4 10 2 1 0 0 90 59 17 13 3 1 0 0 153
REL. 34.4 46.6 4.4 11.1 2.2 1.1 0.0 0.0 100.0 65.6 18.9 14.4 3.3 1.1 0.0 0.0 29.4
ID 34 46 4 22 11 27 0 0 146
ABS. 61 29 2 0 0 0 0 0 92 31 2 0 0 0 0 0 74
REL. 66.3 31.5 2.1 0.0 0.0 0.0 0.0 0.0100.0 33.7 2.2 0.0 0.0 0.0 0.0 0.0 24.9
ID 66 31 2 0 0 0 0 0 100
ABS. 49 23 14 4 2 0 0 0 92 43 20 6 2 0 0 0 137
REL 53.2 25.0 15.2 4.3 2.1 0.0 0.0 0.0100.0 46.7 21.7 6.5 2.2 0.0 0.0 0.012.12
ID 53 25 15 8 10 0 0 0 113
Year
ABS. 187 123 31 18 4 1 0 0 364 177 54 23 5 1 0 0 153
REL. 51.3 33.7 8.5 4.9 1.0 0.2 0.0 0.0100.0 48.6 14.8 6.3 1.4 0.3 0.0 0.0 29.4
ID 51 33 8 9 5 6 0 0 115

Note:

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