Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:O3-ozone
Station: 777 - Pha6-Veleslavin
Code:CZ06CMVEL
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 6
IHd: 160
Measure method:UV-absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 16 22 61 62 63 49 38 57 43 13 8.64 5.31 9 6.02 23 22 46 31 33 41 34 20 26 13 18 16 14 18 11 31 43 28.80 63.42 31.00
2 26 38 41 20 26 12 41 46 40 42 58 60 43 49 52 54 47 22 40 20 30 22 34 16 11 20 45 66 ~ ~ ~ 36.50 65.60 28.00
3 60 57 61 65 66 54 67 68 58 45 44 59 63 70 42 41 40 53 69 72 61 39 50 69 56 63 55 29 53 52 41 55.45 71.50 31.00
4 56 55 56 84 64 54 68 66 49 60 59 74 63 60 60 49 56 72 57 53 50 60 66 64 64 71 89 60 74 71 ~ 62.79 89.06 30.00
5 73 71 59 79 70 63 40 82 91 76 79 87 76 83 66 69 69 69 104 81 62 77 67 65 66 60 66 96 97 60 44 72.52 103.78 31.00
6 49 80 69 95 91 87 81 43 71 82 65 74 57 49 62 72 61 62 48 59 69 81 73 47 59 78 84 63 67 74 ~ 68.39 94.61 30.00
7 53 64 90 60 59 56 37 53 59 58 66 41 66 62 61 51 62 58 50 69 90 64 85 78 67 58 76 83 55 54 64 62.79 90.18 31.00
8 86 90 38 83 60 56 87 93 74 57 103 114 48 51 69 99 96 126 62 92 78 66 60 62 59 62 62 56 51 59 43 72.27 126.07 31.00
9 37 38 51 39 56 36 27 26 58 61 31 52 40 55 40 42 36 44 44 48 40 33 47 33 19 23 13 46 21 32 ~ 38.88 61.33 30.00
10 18 8.65 15 28 11 12 13 11 8.81 49 44 43 34 20 15 18 54 35 15 36 37 38 45 48 63 47 51 64 56 51 44 33.29 64.22 31.00
11 47 28 48 37 36 36 23 18 8.07 23 48 17 8.83 19 20 27 36 39 31 49 27 13 8.11 14 12 6.71 5.95 5.15 6.87 15 ~ 23.73 49.18 30.00
12 21 6.65 13 10 48 55 52 41 19 7.04 7.64 9 58 22 15 43 13 8.80 45 42 45 14 6.96 17 49 53 49 17 10 27 42 27.88 58.08 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 72
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 0.020.3
ID 70 30 0 0 0 0 0 0 100
ABS. 10 81 0 0 0 0 0 0 91 81 0 0 0 0 0 0 104
REL. 10.9 89.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 89.0 0.0 0.0 0.0 0.0 0.0 0.0 19.5
ID 10 89 0 0 0 0 0 0 100
ABS. 37 53 2 0 0 0 0 0 92 55 2 0 0 0 0 0 126
REL. 40.2 57.6 2.1 0.0 0.0 0.0 0.0 0.0100.0 59.8 2.2 0.0 0.0 0.0 0.0 0.0 18.8
ID 40 57 2 0 0 0 0 0 100
ABS. 86 6 0 0 0 0 0 0 92 6 0 0 0 0 0 0 64
REL 93.4 6.5 0.0 0.0 0.0 0.0 0.0 0.0100.0 6.5 0.0 0.0 0.0 0.0 0.0 0.028.10
ID 93 6 0 0 0 0 0 0 100
Year
ABS. 196 167 2 0 0 0 0 0 365 169 2 0 0 0 0 0 126
REL. 53.6 45.7 0.5 0.0 0.0 0.0 0.0 0.0100.0 46.3 0.5 0.0 0.0 0.0 0.0 0.0 18.8
ID 53 45 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