Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:PM10-PM 10 particulate matter 10
Station: 771 - Pha1-nam. Republiky
Code:CZ01CMREP
Institution:CHMI
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 30 16 19 15 36 25 19 26 21 46 37 8.68 17 33 37 28 13 17 8.97 22 17 23 25 36 52 86 99 56 43 28 57 32.10 98.86 31.00
2 34 36 31 46 51 45 32 17 15 52 42 27 32 17 15 41 19 16 29 47 37 64 34 14 17 16 21 22 ~ ~ ~ 30.99 63.89 28.00
3 15 15 21 51 23 11 11 11 ~ ~ ~ 27 34 18 23 39 17 21 18 13 11 29 29 41 36 44 38 33 35 38 47 26.74 51.08 28.00
4 38 32 18 23 13 23 27 85 34 19 21 25 28 22 20 27 20 27 15 25 16 26 49 28 27 46 66 48 27 ~ ~ 30.16 85.46 29.00
5 ~ ~ ~ 20 25 39 34 43 ~ ~ ~ ~ ~ 65 70 71 27 30 40 31 18 26 23 16 24 20 37 43 43 34 15 34.49 71.07 23.00
6 ~ 21 23 32 21 25 23 16 20 16 12 163 24 42 46 74 35 37 43 60 87 35 55 15 35 42 20 16 24 30 ~ 37.65 163.15 29.00
7 21 21 33 11 7.85 11 13 18 21 25 52 8.74 51 31 32 24 16 19 18 37 48 16 28 31 21 19 18 23 32 28 46 25.19 52.38 31.00
8 47 21 19 52 43 39 44 42 53 95 63 85 25 27 27 49 44 62 33 48 47 23 14 16 19 23 19 18 17 17 16 36.99 94.94 31.00
9 28 28 25 14 23 23 15 20 18 17 23 12 13 14 12 14 19 23 19 27 21 29 37 42 39 37 21 21 18 32 ~ 22.83 42.26 30.00
10 23 23 31 18 23 26 30 17 24 19 20 17 21 16 19 21 15 18 48 27 13 16 17 19 18 21 29 20 15 11 16 21.04 48.18 31.00
11 10 14 8.75 14 24 18 24 31 30 24 12 22 23 23 14 30 13 20 25 17 24 38 55 53 25 26 35 52 33 30 ~ 25.55 55.03 30.00
12 23 48 38 18 26 14 22 16 35 71 62 97 48 34 24 14 20 20 14 15 17 20 20 29 13 10 8.74 28 54 27 26 29.34 96.77 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. 40 38 7 2 0 0 0 0 87 47 9 2 0 0 0 0 99
REL. 45.9 43.6 8.0 2.2 0.0 0.0 0.0 0.0 100.0 54.0 10.3 2.3 0.0 0.0 0.0 0.027.1
ID 45 43 8 4 0 0 0 0 102
ABS. 33 38 7 2 0 1 0 0 81 48 10 3 1 1 0 0 163
REL. 40.7 46.9 8.6 2.4 0.0 1.2 0.0 0.0 100.0 59.3 12.3 3.7 1.2 1.2 0.0 0.0 12.6
ID 40 46 8 4 0 30 0 0 132
ABS. 51 33 6 2 0 0 0 0 92 41 8 2 0 0 0 0 95
REL. 55.4 35.8 6.5 2.1 0.0 0.0 0.0 0.0100.0 44.6 8.7 2.2 0.0 0.0 0.0 0.0 10.8
ID 55 35 6 4 0 0 0 0 102
ABS. 60 25 6 1 0 0 0 0 92 32 7 1 0 0 0 0 97
REL 65.2 27.1 6.5 1.0 0.0 0.0 0.0 0.0100.0 34.8 7.6 1.1 0.0 0.0 0.0 0.012.12
ID 65 27 6 2 0 0 0 0 101
Year
ABS. 184 134 26 7 0 1 0 0 352 168 34 8 1 1 0 0 163
REL. 52.2 38.0 7.3 1.9 0.0 0.2 0.0 0.0100.0 47.7 9.7 2.3 0.3 0.3 0.0 0.0 12.6
ID 52 38 7 3 0 7 0 0 108

Note:

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