Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:PM10-PM 10 particulate matter 10
Station: 771 - Pha1-nam. Republiky
Code:CZ01CMREP
Institution:Czech Hydrometeorological Institute
Region:Hlavni mesto Praha
District:Praha 1
IHd: 75
Measure method:radiometry - beta ray absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 32 19 23 20 20 21 26 13 13 16 35 22 26 19 8.95 23 25 27 31 26 20 29 26 12 24 36 18 28 20 16 24 22.55 35.85 31.00
2 26 22 17 14 35 20 19 19 41 63 38 41 27 35 29 21 17 22 23 19 15 16 21 23 20 21 47 22 ~ ~ ~ 26.26 62.57 28.00
3 44 50 21 32 72 28 20 22 23 25 17 34 42 49 31 25 26 44 41 19 15 16 14 34 41 53 32 26 33 51 73 34.02 73.01 31.00
4 72 56 52 29 23 21 22 19 39 43 25 34 27 26 27 19 31 40 42 49 33 37 42 45 37 49 43 47 57 102 ~ 39.53 101.88 30.00
5 77 34 51 53 47 56 70 37 55 75 40 31 24 32 29 25 53 59 81 56 29 41 41 98 65 46 54 ~ 47 41 35 49.38 97.59 30.00
6 29 32 42 32 33 25 30 18 40 46 25 22 30 24 45 30 35 13 18 53 17 19 23 37 35 30 15 16 17 20 ~ 28.45 52.54 30.00
7 19 23 20 23 27 16 17 15 21 26 27 21 21 23 19 21 38 29 37 27 33 25 15 20 21 32 24 32 34 55 59 26.46 59.34 31.00
8 27 46 68 71 44 31 18 22 16 14 18 16 20 22 19 14 12 14 14 16 18 16 25 37 40 48 28 27 17 22 22 26.51 70.50 31.00
9 15 16 28 24 21 16 16 24 35 36 27 23 30 37 40 47 36 14 26 17 9 11 12 10 11 9 8.75 13 12 11 ~ 21.25 47.30 30.00
10 9 10 10 11 16 13 17 20 12 10 13 20 100 36 31 20 21 44 48 45 36 33 38 27 39 23 27 33 39 50 34 28.54 99.51 31.00
11 34 51 39 54 66 38 21 26 24 37 47 47 29 21 34 35 36 29 44 47 67 44 39 35 35 56 42 73 37 40 ~ 41.01 73.01 30.00
12 21 17 22 15 18 22 23 48 35 33 23 16 18 17 28 25 39 17 18 20 29 47 54 37 43 16 20 31 21 24 53 27.33 54.19 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. 47 38 5 0 0 0 0 0 90 43 5 0 0 0 0 0 73
REL. 52.2 42.2 5.5 0.0 0.0 0.0 0.0 0.0 100.0 47.8 5.6 0.0 0.0 0.0 0.0 0.031.3
ID 52 42 5 0 0 0 0 0 100
ABS. 19 51 15 5 0 0 0 0 90 71 20 5 0 0 0 0 102
REL. 21.1 56.6 16.6 5.5 0.0 0.0 0.0 0.0 100.0 78.9 22.2 5.6 0.0 0.0 0.0 0.0 30.4
ID 21 56 16 11 0 0 0 0 105
ABS. 58 30 4 0 0 0 0 0 92 34 4 0 0 0 0 0 71
REL. 63.0 32.6 4.3 0.0 0.0 0.0 0.0 0.0100.0 37.0 4.3 0.0 0.0 0.0 0.0 0.0 4.8
ID 63 32 4 0 0 0 0 0 100
ABS. 36 46 9 1 0 0 0 0 92 56 10 1 0 0 0 0 100
REL 39.1 50.0 9.7 1.0 0.0 0.0 0.0 0.0100.0 60.9 10.9 1.1 0.0 0.0 0.0 0.013.10
ID 39 50 9 2 0 0 0 0 101
Year
ABS. 160 165 33 6 0 0 0 0 364 204 39 6 0 0 0 0 102
REL. 43.9 45.3 9.0 1.6 0.0 0.0 0.0 0.0100.0 56.0 10.7 1.6 0.0 0.0 0.0 0.0 30.4
ID 43 45 9 3 0 0 0 0 101

Note:

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