Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:PM10-PM 10 particulate matter 10
Station: 771 - Pha1-nam. Republiky
Code:CZ01CMREP
Institution:Czech Hydrometeorological Institute
Region:Prague
District:Praha 1
IHd: 70
Measure method:radiometry - beta ray absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 43 36 43 52 31 13 26 38 36 49 50 50 76 72 115 88 42 80 64 57 40 53 42 38 35 41 22 47 45 40 28 48.18 114.74 31.00
2 29 28 59 33 13 39 66 71 32 49 45 74 32 47 101 135 61 23 26 23 19 11 14 33 60 34 49 57 ~ ~ ~ 45.04 135.01 28.00
3 51 46 55 21 40 50 46 57 47 22 17 22 21 20 36 64 56 23 14 28 39 43 55 35 38 30 44 49 59 82 49 40.60 82.34 31.00
4 43 56 52 40 29 29 20 20 43 33 39 26 17 19 13 17 23 22 32 33 20 22 38 42 32 19 33 27 38 56 ~ 31.09 56.48 30.00
5 52 44 43 41 24 23 29 39 37 40 31 26 24 29 23 21 17 20 26 35 31 36 36 51 33 37 43 25 33 31 24 32.34 51.67 31.00
6 19 15 10 20 34 35 21 21 25 17 19 31 37 33 26 18 17 21 23 29 29 15 16 21 33 34 47 42 38 30 ~ 25.80 47.48 30.00
7 24 22 22 32 27 34 35 19 25 38 24 22 17 20 25 17 18 15 29 20 28 25 30 34 27 32 35 34 39 35 39 27.19 39.04 31.00
8 27 42 37 15 12 ~ ~ ~ 24 17 21 19 34 44 41 46 28 65 37 29 28 48 55 52 61 42 29 21 33 30 29 34.46 64.94 28.00
9 32 18 23 18 22 21 17 11 7.62 8.89 15 16 18 19 20 14 26 21 31 29 20 35 38 38 30 33 31 32 34 40 ~ 23.94 39.67 30.00
10 17 26 30 23 54 60 63 69 33 32 26 46 64 87 76 96 66 59 79 54 32 19 42 46 29 31 48 22 22 27 27 45.29 96.13 31.00
11 18 23 48 38 27 22 14 9 16 53 56 ~ 26 38 55 50 55 46 27 33 35 18 19 29 51 82 59 24 26 46 ~ 36.01 82.16 29.00
12 50 49 63 48 48 38 36 61 98 83 26 24 74 62 58 24 32 29 27 20 24 23 21 21 11 17 19 12 23 15 50 38.18 98.21 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- 23 24- 47 48- 70 71- 105 106- 140 141- 210 211- 280 over 280 23 47 70 105 140 210 280
ABS. 15 39 26 8 2 0 0 0 90 75 36 10 2 0 0 0 135
REL. 16.6 43.3 28.8 8.8 2.2 0.0 0.0 0.0 100.0 83.3 40.0 11.1 2.2 0.0 0.0 0.016.2
ID 16 43 28 17 11 0 0 0 117
ABS. 30 55 6 0 0 0 0 0 91 61 6 0 0 0 0 0 56
REL. 32.9 60.4 6.5 0.0 0.0 0.0 0.0 0.0 100.0 67.0 6.6 0.0 0.0 0.0 0.0 0.0 2.4
ID 32 60 6 0 0 0 0 0 100
ABS. 32 52 5 0 0 0 0 0 89 57 5 0 0 0 0 0 65
REL. 35.9 58.4 5.6 0.0 0.0 0.0 0.0 0.0100.0 64.0 5.6 0.0 0.0 0.0 0.0 0.0 18.8
ID 35 58 5 0 0 0 0 0 100
ABS. 23 34 26 8 0 0 0 0 91 68 34 8 0 0 0 0 98
REL 25.2 37.3 28.5 8.7 0.0 0.0 0.0 0.0100.0 74.7 37.4 8.8 0.0 0.0 0.0 0.0 9.12
ID 25 37 28 17 0 0 0 0 108
Year
ABS. 100 180 63 16 2 0 0 0 361 261 81 18 2 0 0 0 135
REL. 27.7 49.8 17.4 4.4 0.5 0.0 0.0 0.0100.0 72.3 22.4 5.0 0.6 0.0 0.0 0.0 16.2
ID 27 49 17 8 2 0 0 0 106

Note:

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