Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:PM10-PM 10 particulate matter 10
Station: 772 - Pha2-Riegrovy sady
Code:CZ02CMRIE
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 2
IHd: 75
Measure method:radiometry - beta ray absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 34 24 8.14 7.74 8.68 10 9 8.35 8.96 34 31 18 27 43 26 18 10 12 10 17 18 26 34 48 60 98 108 54 48 31 54 30.53 107.98 31.00
2 35 39 22 45 54 53 36 18 19 37 35 27 26 19 15 50 16 23 37 51 52 82 33 20 24 22 23 29 ~ ~ ~ 33.72 82.41 28.00
3 27 20 18 33 16 7.79 8.46 8.23 15 31 31 22 20 13 23 18 13 19 12 30 13 21 30 30 34 43 33 32 32 43 42 23.74 43.48 31.00
4 40 29 19 27 20 25 29 38 35 55 28 25 30 27 21 67 64 42 27 31 24 51 65 34 32 40 79 47 68 72 ~ 39.62 78.89 30.00
5 66 34 ~ 28 28 27 38 235 77 54 67 56 46 42 38 29 21 29 46 34 18 23 21 16 27 23 36 ~ ~ 29 15 42.94 234.75 28.00
6 10 21 41 30 41 30 41 25 14 17 31 19 11 16 11 10 8.25 12 14 27 22 17 19 11 21 35 17 11 63 42 ~ 22.97 63.49 30.00
7 20 18 28 14 27 13 13 5.56 13 12 10 8.96 17 11 25 34 8.04 9 15 39 42 27 51 26 22 19 21 17 19 10 15 19.77 51.26 31.00
8 16 16 20 19 28 19 25 27 24 22 27 40 24 23 25 27 35 39 30 40 31 16 12 11 17 21 10 12 10 16 16 22.50 40.39 31.00
9 21 21 24 16 15 8.78 14 13 14 16 14 44 38 18 10 13 17 18 16 18 17 24 34 38 29 32 17 20 17 26 ~ 20.78 44.07 30.00
10 17 16 21 24 32 29 30 20 18 17 13 13 15 11 15 23 14 16 29 19 16 17 31 19 14 16 11 12 11 9 13 18.13 32.41 31.00
11 13 16 10 9 16 19 34 32 25 24 14 19 44 23 17 33 27 23 43 43 24 57 66 58 24 58 58 39 34 61 ~ 32.15 66.34 30.00
12 26 27 27 21 21 22 ~ 24 53 ~ ~ 34 29 83 19 11 18 16 13 ~ ~ ~ ~ ~ 29 14 ~ ~ ~ ~ ~ 27.07 82.51 18.00

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. 43 37 7 3 0 0 0 0 90 47 10 3 0 0 0 0 108
REL. 47.7 41.1 7.7 3.3 0.0 0.0 0.0 0.0 100.0 52.2 11.1 3.3 0.0 0.0 0.0 0.027.1
ID 47 41 7 6 0 0 0 0 103
ABS. 31 42 12 2 0 0 1 0 88 57 15 3 1 1 1 0 235
REL. 35.2 47.7 13.6 2.2 0.0 0.0 1.1 0.0 100.0 64.8 17.0 3.4 1.1 1.1 1.1 0.0 8.5
ID 35 47 13 4 0 0 142 0 243
ABS. 65 26 1 0 0 0 0 0 92 27 1 0 0 0 0 0 51
REL. 70.6 28.2 1.0 0.0 0.0 0.0 0.0 0.0100.0 29.3 1.1 0.0 0.0 0.0 0.0 0.0 23.7
ID 70 28 1 0 0 0 0 0 100
ABS. 50 21 7 1 0 0 0 0 79 29 8 1 0 0 0 0 83
REL 63.2 26.5 8.8 1.2 0.0 0.0 0.0 0.0100.0 36.7 10.1 1.3 0.0 0.0 0.0 0.014.12
ID 63 26 8 2 0 0 0 0 101
Year
ABS. 189 126 27 6 0 0 1 0 349 160 34 7 1 1 1 0 235
REL. 54.1 36.1 7.7 1.7 0.0 0.0 0.2 0.0100.0 45.8 9.7 2.0 0.3 0.3 0.3 0.0 8.5
ID 54 36 7 3 0 0 35 0 137

Note:

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