Detailed overview of ambient air pollution valuis from individual stations


Year: 1999
Pollutant:PM10-PM 10 particulate matter 10
Station:1000 - Medenec
Code:CZCVCMMED
Institution:Czech Hydrometeorological Institute
Region:Severocesky
District:Chomutov
IHd: 75
Measure method:radiometry - beta ray absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 28 23 24 6.96 10 21 21 18 30 18 19 40 29 15 11 14 72 59 45 34 38 38 35 35 11 10 8.41 43 48 46 48 29.04 72.31 31.00
2 33 34 12 5.78 11 6.92 6.63 11 30 35 33 38 39 45 39 17 16 18 7.50 20 16 10 14 15 18 15 44 22 ~ ~ ~ 21.88 45.38 28.00
3 9 8.28 13 56 14 25 19 20 13 20 39 58 118 122 45 61 56 83 51 18 35 22 19 22 59 80 54 14 54 93 106 45.31 121.88 31.00
4 100 65 59 24 44 19 19 24 32 34 27 25 15 14 7.20 20 25 40 47 37 29 15 24 35 39 47 28 40 59 65 ~ 35.32 100.11 30.00
5 56 39 45 37 30 36 49 40 25 24 16 20 18 21 18 28 38 47 44 40 54 48 33 30 43 48 55 47 43 30 28 36.47 56.16 31.00
6 35 33 23 13 19 11 19 13 28 42 32 38 22 36 25 39 31 16 29 22 27 15 28 35 45 47 24 18 27 27 ~ 27.28 47.35 30.00
7 28 25 26 48 40 23 19 24 22 42 42 30 25 29 23 32 44 34 34 29 28 23 18 18 26 41 27 31 31 35 34 29.97 47.66 31.00
8 46 67 81 134 61 48 27 20 14 16 25 25 20 29 12 16 16 12 18 17 14 14 32 60 55 50 50 30 24 33 34 35.52 133.97 31.00
9 16 15 58 52 31 38 27 50 65 77 57 52 68 68 79 72 26 29 53 38 29 16 13 17 12 10 13 14 8.61 8.21 ~ 36.99 78.74 30.00
10 15 14 15 13 20 6.55 14 16 11 6.91 14 20 31 15 25 15 11 33 52 57 17 18 15 12 12 21 19 25 29 53 16 20.71 57.23 31.00
11 20 22 24 36 24 21 13 11 8.41 20 23 19 13 ~ 21 37 28 23 32 21 29 36 30 14 12 16 26 42 21 26 ~ 23.06 42.10 29.00
12 14 13 14 8.90 12 14 10 13 21 15 10 ~ 8.84 10 14 11 19 10 12 15 19 29 71 42 35 16 36 26 17 18 31 19.50 71.28 30.00

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. 47 27 10 4 2 0 0 0 90 43 16 6 2 0 0 0 122
REL. 52.2 30.0 11.1 4.4 2.2 0.0 0.0 0.0 100.0 47.8 17.8 6.7 2.2 0.0 0.0 0.014.3
ID 52 30 11 8 11 0 0 0 113
ABS. 31 52 7 1 0 0 0 0 91 60 8 1 0 0 0 0 100
REL. 34.0 57.1 7.6 1.0 0.0 0.0 0.0 0.0 100.0 65.9 8.8 1.1 0.0 0.0 0.0 0.0 1.4
ID 34 57 7 2 0 0 0 0 101
ABS. 35 40 13 3 1 0 0 0 92 57 17 4 1 0 0 0 134
REL. 38.0 43.4 14.1 3.2 1.0 0.0 0.0 0.0100.0 62.0 18.5 4.3 1.1 0.0 0.0 0.0 4.8
ID 38 43 14 6 5 0 0 0 107
ABS. 66 20 4 0 0 0 0 0 90 24 4 0 0 0 0 0 71
REL 73.3 22.2 4.4 0.0 0.0 0.0 0.0 0.0100.0 26.7 4.4 0.0 0.0 0.0 0.0 0.023.12
ID 73 22 4 0 0 0 0 0 100
Year
ABS. 179 139 34 8 3 0 0 0 363 184 45 11 3 0 0 0 134
REL. 49.3 38.2 9.3 2.2 0.8 0.0 0.0 0.0100.0 50.7 12.4 3.0 0.8 0.0 0.0 0.0 4.8
ID 49 38 9 4 4 0 0 0 105

Note:

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