Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:PM10-PM 10 particulate matter 10
Station: 773 - Pha4-Branik
Code:CZ04CMBRA
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 4
IHd: 75
Measure method:radiometry - beta ray absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 39 19 10 5.39 10 8.28 13 5.10 7.72 39 29 18 25 43 32 39 11 17 10 19 15 23 26 36 57 161 140 59 60 32 28 33.43 161.46 31.00
2 38 ~ 58 79 78 72 29 25 23 53 30 21 32 20 15 19 25 37 34 77 51 80 39 24 41 34 24 13 ~ ~ ~ 39.69 80.48 27.00
3 22 13 12 22 13 11 6.90 6.56 13 23 24 24 13 10 27 25 12 16 15 12 8.91 16 26 23 33 41 47 37 29 41 40 21.31 46.88 31.00
4 39 32 19 11 12 16 14 22 20 19 19 14 21 23 21 18 21 30 24 25 17 23 24 22 17 23 36 31 31 39 ~ 22.82 38.80 30.00
5 28 15 26 17 20 20 106 23 28 35 43 32 26 21 24 18 13 18 27 31 13 12 15 17 19 11 21 24 21 12 8.85 24.04 106.35 31.00
6 12 17 20 20 16 19 15 9 14 20 17 13 7.28 13 13 12 11 17 21 18 18 15 11 21 18 22 16 11 13 12 ~ 15.46 22.09 30.00
7 13 15 21 10 ~ ~ 7.79 8.30 13 10 10 8.50 10 12 11 8.52 14 10 13 16 18 14 17 16 15 18 19 14 12 12 16 13.11 20.69 29.00
8 20 14 12 14 12 11 14 16 13 15 24 20 13 12 14 19 21 21 14 22 21 16 13 19 30 26 17 ~ ~ ~ ~ 17.23 30.24 27.00
9 ~ 12 14 10 9 11 13 15 10 13 12 12 13 12 8.96 15 13 15 15 15 15 20 23 24 21 19 18 16 12 16 ~ 14.52 24.32 29.00
10 13 11 12 13 15 17 18 13 18 12 14 26 23 18 28 47 ~ ~ ~ 13 14 19 17 9 8.60 8.33 8.65 10 7.36 4.34 11 15.38 47.24 28.00
11 13 10 ~ 5.81 11 10 24 24 8.20 ~ ~ ~ 10 13 14 18 6.96 10 20 22 20 28 22 47 22 24 42 ~ ~ 23 ~ 18.64 46.79 24.00
12 22 38 22 17 12 10 10 14 32 48 45 36 13 20 24 13 22 22 11 11 12 19 19 17 12 8.30 8.27 20 27 19 13 19.86 48.22 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. 45 31 7 4 1 1 0 0 89 44 13 6 2 1 0 0 161
REL. 50.5 34.8 7.8 4.4 1.1 1.1 0.0 0.0 100.0 49.4 14.6 6.7 2.2 1.1 0.0 0.026.1
ID 50 34 7 8 5 28 0 0 135
ABS. 73 17 0 1 0 0 0 0 91 18 1 1 0 0 0 0 106
REL. 80.2 18.6 0.0 1.0 0.0 0.0 0.0 0.0 100.0 19.8 1.1 1.1 0.0 0.0 0.0 0.0 7.5
ID 80 18 0 2 0 0 0 0 101
ABS. 83 2 0 0 0 0 0 0 85 2 0 0 0 0 0 0 30
REL. 97.6 2.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 2.4 0.0 0.0 0.0 0.0 0.0 0.0 25.8
ID 97 2 0 0 0 0 0 0 100
ABS. 71 12 0 0 0 0 0 0 83 12 0 0 0 0 0 0 48
REL 85.5 14.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 14.5 0.0 0.0 0.0 0.0 0.0 0.010.12
ID 85 14 0 0 0 0 0 0 100
Year
ABS. 272 62 7 5 1 1 0 0 348 76 14 7 2 1 0 0 161
REL. 78.1 17.8 2.0 1.4 0.2 0.2 0.0 0.0100.0 21.8 4.0 2.0 0.6 0.3 0.0 0.0 26.1
ID 78 17 2 2 1 7 0 0 109

Note:

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