Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:PM10-PM 10 particulate matter 10
Station:1014 - Decin
Code:CZDCCMDEC
Institution:CHMI
Region:Severocesky
District:Decin
IHd: 75
Measure method:radiometry - beta ray absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 74 35 25 12 11 13 39 21 13 60 42 37 33 47 49 70 26 21 24 27 15 20 26 41 60 82 105 98 57 32 33 40.24 104.68 31.00
2 34 69 36 67 125 190 55 39 81 109 122 18 29 30 27 27 24 59 50 65 91 113 34 41 21 38 34 16 ~ ~ ~ 58.82 189.99 28.00
3 18 17 23 47 13 14 15 10 21 25 27 32 13 14 28 17 15 18 12 12 10 15 45 65 62 64 71 49 42 53 73 30.34 72.52 31.00
4 63 32 17 17 27 27 17 16 32 29 30 18 26 34 28 36 39 23 19 37 31 33 33 28 31 27 58 36 39 90 ~ 32.41 90.42 30.00
5 35 18 25 17 22 28 22 36 41 39 49 55 49 31 27 25 24 25 37 22 53 25 18 14 22 18 23 35 36 25 18 29.48 55.05 31.00
6 13 24 16 22 27 31 37 15 18 25 9 10 10 12 18 17 15 15 16 23 16 19 16 17 15 22 26 9 12 16 ~ 18.02 37.36 30.00
7 15 16 20 10 11 11 10 9 17 14 16 8.66 12 13 15 14 15 12 12 17 24 14 26 18 16 18 22 21 11 10 14 14.99 25.90 31.00
8 20 19 15 23 20 16 21 27 12 18 21 45 18 18 24 20 21 29 16 22 17 11 12 8.43 11 20 11 7.31 10 11 16 18.14 45.40 31.00
9 14 22 23 15 17 14 18 21 15 16 10 9 13 10 11 17 17 16 23 21 19 23 34 39 44 45 46 21 27 27 ~ 21.61 46.33 30.00
10 15 14 17 24 32 24 25 12 21 15 12 19 17 31 29 46 23 14 32 26 26 24 32 22 21 23 13 21 10 8.22 20 21.58 45.86 31.00
11 10 24 36 19 15 16 50 73 41 58 16 39 35 36 45 21 13 28 26 16 43 116 100 70 34 41 46 66 48 34 ~ 40.46 116.30 30.00
12 28 62 50 24 18 21 29 26 127 146 71 71 23 35 93 21 83 103 29 14 16 44 37 41 25 15 17 50 57 44 30 46.80 145.90 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. 30 33 17 6 3 1 0 0 90 60 27 10 4 1 0 0 190
REL. 33.3 36.6 18.8 6.6 3.3 1.1 0.0 0.0 100.0 66.7 30.0 11.1 4.4 1.1 0.0 0.06.2
ID 33 36 18 13 16 27 0 0 146
ABS. 45 41 4 1 0 0 0 0 91 46 5 1 0 0 0 0 90
REL. 49.4 45.0 4.3 1.0 0.0 0.0 0.0 0.0 100.0 50.5 5.5 1.1 0.0 0.0 0.0 0.0 30.4
ID 49 45 4 2 0 0 0 0 101
ABS. 81 11 0 0 0 0 0 0 92 11 0 0 0 0 0 0 46
REL. 88.0 11.9 0.0 0.0 0.0 0.0 0.0 0.0100.0 12.0 0.0 0.0 0.0 0.0 0.0 0.0 27.9
ID 88 11 0 0 0 0 0 0 100
ABS. 42 33 10 4 3 0 0 0 92 50 17 7 3 0 0 0 146
REL 45.6 35.8 10.8 4.3 3.2 0.0 0.0 0.0100.0 54.3 18.5 7.6 3.3 0.0 0.0 0.010.12
ID 45 35 10 8 16 0 0 0 117
Year
ABS. 198 118 31 11 6 1 0 0 365 167 49 18 7 1 0 0 190
REL. 54.2 32.3 8.4 3.0 1.6 0.2 0.0 0.0100.0 45.8 13.4 4.9 1.9 0.3 0.0 0.0 6.2
ID 54 32 8 6 8 6 0 0 116

Note:

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