Detailed overview of ambient air pollution valuis from individual stations

774 - PHA4-Libus


Year: 1997
Pollutant:O3-ozone
Station: 774 - PHA4-Libus
Code:CZ04CMLIB
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 4
IHd: 160
Measure method:UV-absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 11 11 22 8.88 11 25 8.32 11 24 17 20 32 13 12 12 10 12 11 27 10 ~ 35 14 8.24 25 55 42 28 22 37 40 20.58 54.86 30.00
2 33 32 29 41 34 43 42 24 46 70 60 44 54 43 47 39 39 51 57 61 54 43 61 62 45 56 48 53 ~ ~ ~ 46.83 70.28 28.00
3 45 72 39 49 32 7.10 36 38 37 35 53 62 44 43 34 56 32 63 40 49 36 54 75 35 30 52 38 70 74 62 54 46.60 75.46 31.00
4 59 61 81 65 55 69 44 60 44 49 66 67 72 58 64 60 41 63 69 57 48 58 68 88 96 67 64 64 41 49 ~ 61.57 96.40 30.00
5 42 83 89 83 74 79 31 34 84 104 82 92 78 80 98 91 96 98 65 75 69 49 48 68 71 84 68 65 84 71 61 74.03 104.23 31.00
6 61 61 75 76 98 62 89 86 78 90 100 69 84 62 55 82 48 45 78 56 69 61 57 55 45 64 58 75 83 74 ~ 69.75 99.67 30.00
7 80 84 85 68 65 74 72 62 74 71 65 67 57 69 63 58 75 64 62 51 37 58 66 82 63 59 58 48 68 82 60 66.05 85.37 31.00
8 31 45 66 ~ 73 56 67 64 67 76 79 75 81 99 94 96 75 31 37 57 74 75 82 70 99 84 84 72 32 48 30 67.37 99.25 30.00
9 54 58 60 49 69 57 65 42 49 41 49 80 28 39 46 53 56 54 26 39 39 38 39 24 25 35 30 38 43 25 ~ 44.95 79.91 30.00
10 26 47 39 41 40 56 37 45 37 35 43 32 39 23 17 21 32 37 32 21 24 19 25 37 42 33 18 19 10 18 34 31.61 55.90 31.00
11 ~ ~ 31 29 19 7.19 5.84 12 21 31 8.76 12 15 16 28 21 3.48 33 11 11 3.99 3.19 3.22 6.22 12 3.43 2.45 2.90 14 5.59 ~ 13.28 32.90 28.00
12 13 3.19 3.52 10 12 30 11 8.38 11 42 35 30 31 21 33 22 41 28 10 11 6.54 3.96 4.72 32 57 67 45 30 35 33 12 23.61 66.63 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. 69 20 0 0 0 0 0 0 89 20 0 0 0 0 0 0 75
REL. 77.5 22.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 22.5 0.0 0.0 0.0 0.0 0.0 0.023.3
ID 77 22 0 0 0 0 0 0 100
ABS. 15 76 0 0 0 0 0 0 91 76 0 0 0 0 0 0 104
REL. 16.4 83.5 0.0 0.0 0.0 0.0 0.0 0.0 100.0 83.5 0.0 0.0 0.0 0.0 0.0 0.0 10.5
ID 16 83 0 0 0 0 0 0 100
ABS. 31 60 0 0 0 0 0 0 91 60 0 0 0 0 0 0 99
REL. 34.0 65.9 0.0 0.0 0.0 0.0 0.0 0.0100.0 65.9 0.0 0.0 0.0 0.0 0.0 0.0 25.8
ID 34 65 0 0 0 0 0 0 100
ABS. 87 3 0 0 0 0 0 0 90 3 0 0 0 0 0 0 67
REL 96.6 3.3 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 0.026.12
ID 96 3 0 0 0 0 0 0 100
Year
ABS. 202 159 0 0 0 0 0 0 361 159 0 0 0 0 0 0 104
REL. 55.9 44.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 44.0 0.0 0.0 0.0 0.0 0.0 0.0 10.5
ID 55 44 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


Detailed overview of ambient air pollution valuis from individual stations - selection station