Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:O3-ozone
Station: 774 - Pha4-Libus
Code:CZ04CMLIB
Institution:Czech Hydrometeorological Institute
Region:Prague
District:Praha 4
IHd: 160
Measure method:UV-absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 40 48 20 15 19 35 5.46 6.48 25 17 29 14 6.57 21 37 26 24 34 39 51 36 43 56 53 50 63 60 58 50 44 41 34.38 63.26 31.00
2 51 40 35 46 45 6.37 27 35 50 59 57 48 30 42 37 44 34 41 44 56 52 44 62 59 37 61 63 64 ~ ~ ~ 45.34 63.97 28.00
3 57 47 56 31 16 49 68 62 66 67 58 37 54 34 9 29 25 49 61 46 48 61 56 63 52 50 41 48 44 64 59 48.62 68.26 31.00
4 70 84 83 79 75 74 65 86 76 68 51 38 29 28 55 70 52 56 55 62 81 45 71 52 56 75 72 73 71 65 ~ 63.85 86.08 30.00
5 70 70 71 59 26 50 81 86 72 61 49 59 71 58 61 66 103 87 56 48 84 76 83 40 68 39 37 27 66 69 88 63.92 103.43 31.00
6 75 70 72 99 95 57 55 33 37 52 57 ~ 30 22 39 32 37 71 92 92 78 86 76 44 70 86 85 63 52 73 ~ 63.06 98.70 29.00
7 65 42 65 45 70 86 49 65 94 ~ 38 70 92 86 59 47 59 32 45 70 80 63 74 41 42 52 50 61 86 87 77 62.95 93.99 30.00
8 46 39 78 73 60 67 54 53 ~ ~ 60 66 57 31 49 59 58 59 66 72 63 37 58 64 67 92 68 44 51 69 88 60.28 91.54 29.00
9 34 50 65 61 44 45 48 57 68 46 27 40 50 65 42 35 40 41 31 10 25 34 35 35 28 ~ 42 33 28 ~ ~ 41.43 68.32 28.00
10 28 27 29 21 46 43 39 28 30 33 41 29 8.52 28 32 30 46 35 46 34 13 28 41 41 53 66 65 54 44 8.75 21 35.19 65.80 31.00
11 24 41 38 16 36 28 16 35 51 35 25 34 24 5.58 3.63 17 38 3.57 14 6.86 14 5.27 23 8.11 2.17 2.19 3.09 13 4.11 5.40 ~ 19.09 50.71 30.00
12 23 13 1.94 1.19 6.39 10 16 30 13 14 13 22 17 16 14 15 4.32 24 13 14 3.20 3.56 19 40 44 32 12 7.51 37 25 42 17.68 43.67 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- 53 54- 107 108- 160 161- 240 241- 320 321- 480 481- 640 over 640 53 107 160 240 320 480 640
ABS. 63 27 0 0 0 0 0 0 90 27 0 0 0 0 0 0 68
REL. 70.0 30.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 30.0 0.0 0.0 0.0 0.0 0.0 0.07.3
ID 70 30 0 0 0 0 0 0 100
ABS. 25 65 0 0 0 0 0 0 90 65 0 0 0 0 0 0 103
REL. 27.7 72.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 72.2 0.0 0.0 0.0 0.0 0.0 0.0 17.5
ID 27 72 0 0 0 0 0 0 100
ABS. 42 45 0 0 0 0 0 0 87 45 0 0 0 0 0 0 94
REL. 48.2 51.7 0.0 0.0 0.0 0.0 0.0 0.0100.0 51.7 0.0 0.0 0.0 0.0 0.0 0.0 9.7
ID 48 51 0 0 0 0 0 0 100
ABS. 89 3 0 0 0 0 0 0 92 3 0 0 0 0 0 0 66
REL 96.7 3.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 3.3 0.0 0.0 0.0 0.0 0.0 0.026.10
ID 96 3 0 0 0 0 0 0 100
Year
ABS. 219 140 0 0 0 0 0 0 359 140 0 0 0 0 0 0 103
REL. 61.0 38.9 0.0 0.0 0.0 0.0 0.0 0.0100.0 39.0 0.0 0.0 0.0 0.0 0.0 0.0 17.5
ID 61 38 0 0 0 0 0 0 100

Note:

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