Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:SPM-suspended particulate matter
Station:1177 - Pha4-Libus-HM
Code:CZ04CMLIB
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 4
IHd: 150
Measure method:gravimetry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 41 28 11 11 9.00 14 11 17 21 59 82 44 36 72 36 27 16 ~ 17 17 ~ ~ 44 62 78 145 159 70 80 34 33 45.50 159.00 28.00
2 48 58 35 62 82 70 10 ~ 41 44 51 49 45 40 38 28 26 37 44 55 65 ~ ~ 26 36 47 33 19 ~ ~ ~ 43.56 82.00 25.00
3 21 18 32 42 11 9.00 15 10 15 25 35 27 16 17 29 12 23 19 16 16 13 22 27 38 50 49 45 41 38 54 64 27.39 64.00 31.00
4 45 25 13 15 17 22 20 32 33 23 31 20 31 7.00 21 43 26 28 20 29 26 27 27 22 22 ~ 46 43 36 40 ~ 27.24 46.00 29.00
5 19 11 29 17 23 22 26 27 ~ 60 69 60 77 36 28 26 24 33 35 36 25 20 24 20 18 16 22 31 29 21 20 30.13 77.00 30.00
6 18 18 19 29 24 39 28 16 22 15 18 11 28 24 16 19 16 19 20 29 29 28 28 22 37 41 23 15 24 24 ~ 23.30 41.00 30.00
7 19 23 49 23 17 18 11 5.00 18 14 17 15 12 18 19 25 15 19 22 27 39 40 37 35 35 28 35 23 11 17 16 22.65 49.00 31.00
8 14 14 28 19 26 28 36 33 18 26 49 46 36 26 28 37 45 49 36 65 29 5.00 12 11 7.00 12 10 8.00 9.00 7.00 13 25.23 65.00 31.00
9 7.00 29 48 17 15 17 19 21 20 19 10 10 10 11 9.00 10 10 29 31 39 34 44 68 116 58 88 82 30 41 49 ~ 33.03 116.00 30.00
10 31 26 37 32 48 32 44 39 33 16 10 7.00 18 13 22 56 22 26 51 25 19 25 27 25 17 24 16 16 15 12 17 25.84 56.00 31.00
11 13 28 10 19 28 23 89 54 34 30 21 65 58 29 31 57 19 21 44 18 45 74 78 114 51 115 67 109 55 76 ~ 49.17 115.00 30.00
12 38 80 81 32 15 11 14 25 73 125 140 ~ 18 21 31 24 46 52 16 39 23 45 46 36 19 12 13 82 144 46 42 46.30 144.00 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- 50 51- 100 101- 150 151- 225 226- 300 301- 450 451- 600 over 600 50 100 150 225 300 450 600
ABS. 66 16 1 1 0 0 0 0 84 18 2 1 0 0 0 0 159
REL. 78.5 19.0 1.1 1.1 0.0 0.0 0.0 0.0 100.0 21.4 2.4 1.2 0.0 0.0 0.0 0.027.1
ID 78 19 1 2 0 0 0 0 101
ABS. 85 4 0 0 0 0 0 0 89 4 0 0 0 0 0 0 77
REL. 95.5 4.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 4.5 0.0 0.0 0.0 0.0 0.0 0.0 13.5
ID 95 4 0 0 0 0 0 0 100
ABS. 86 5 1 0 0 0 0 0 92 6 1 0 0 0 0 0 116
REL. 93.4 5.4 1.0 0.0 0.0 0.0 0.0 0.0100.0 6.5 1.1 0.0 0.0 0.0 0.0 0.0 24.9
ID 93 5 1 0 0 0 0 0 100
ABS. 67 18 6 0 0 0 0 0 91 24 6 0 0 0 0 0 144
REL 73.6 19.7 6.5 0.0 0.0 0.0 0.0 0.0100.0 26.4 6.6 0.0 0.0 0.0 0.0 0.029.12
ID 73 19 6 0 0 0 0 0 100
Year
ABS. 304 43 8 1 0 0 0 0 356 52 9 1 0 0 0 0 159
REL. 85.3 12.0 2.2 0.2 0.0 0.0 0.0 0.0100.0 14.6 2.5 0.3 0.0 0.0 0.0 0.0 27.1
ID 85 12 2 0 0 0 0 100

Note:

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