Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:O3-ozone
Station: 777 - Pha6-Veleslavin
Code:CZ06CMVEL
Institution:Czech Hydrometeorological Institute
Region:Hlavni mesto Praha
District:Praha 6
IHd: 160
Measure method:UV-absorption
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 38 25 28 40 27 23 46 38 31 30 12 37 36 46 50 51 28 19 15 12 14 7.47 22 35 47 40 36 31 59 61 36 32.94 61.16 31.00
2 25 16 12 34 74 72 55 47 26 27 57 70 69 51 50 60 77 59 24 35 58 64 66 58 59 37 61 55 ~ ~ ~ 49.96 76.93 28.00
3 63 37 30 27 33 43 50 48 30 35 45 29 43 41 65 47 33 26 55 64 57 49 46 26 31 42 51 55 39 47 64 43.61 64.95 31.00
4 62 72 61 64 50 56 68 62 56 82 66 68 69 72 77 50 70 74 72 50 59 54 46 84 57 42 45 40 65 65 ~ 62.05 83.60 30.00
5 101 72 78 77 69 67 45 39 51 78 67 72 67 63 81 61 76 83 78 80 44 75 79 63 75 70 70 91 82 79 83 71.52 101.18 31.00
6 79 71 52 52 59 76 62 50 60 77 63 63 76 59 81 52 63 50 40 72 59 61 69 44 70 89 61 55 56 62 ~ 62.77 89.03 30.00
7 38 59 84 90 88 84 63 50 42 69 57 46 77 79 47 70 97 85 87 89 79 70 44 51 50 76 64 69 58 56 64 67.14 97.30 31.00
8 62 69 65 76 55 92 66 80 45 54 53 51 43 87 55 43 44 58 62 78 67 48 43 51 64 82 55 61 22 51 40 58.70 92.06 31.00
9 56 32 39 62 52 45 59 65 56 57 57 50 54 41 54 69 64 65 51 55 16 28 26 34 19 32 41 30 46 34 ~ 46.37 68.57 30.00
10 51 53 47 32 25 35 28 39 48 36 34 29 18 33 29 36 19 13 20 23 20 15 10 16 12 39 36 34 24 13 36 29.14 52.81 31.00
11 15 17 18 6.97 4.76 19 21 10 4.88 6.60 3.80 8.23 15 36 21 16 16 26 23 17 13 15 16 16 8.46 10 22 14 11 19 ~ 14.99 36.02 30.00
12 33 45 52 53 53 44 48 33 30 19 43 60 41 35 29 32 38 27 41 29 26 7.91 13 32 34 53 34 29 30 34 17 35.33 59.70 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. 65 25 0 0 0 0 0 0 90 25 0 0 0 0 0 0 77
REL. 72.2 27.7 0.0 0.0 0.0 0.0 0.0 0.0 100.0 27.8 0.0 0.0 0.0 0.0 0.0 0.017.2
ID 72 27 0 0 0 0 0 0 100
ABS. 18 73 0 0 0 0 0 0 91 73 0 0 0 0 0 0 101
REL. 19.7 80.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 80.2 0.0 0.0 0.0 0.0 0.0 0.0 1.5
ID 19 80 0 0 0 0 0 0 100
ABS. 37 55 0 0 0 0 0 0 92 55 0 0 0 0 0 0 97
REL. 40.2 59.7 0.0 0.0 0.0 0.0 0.0 0.0100.0 59.8 0.0 0.0 0.0 0.0 0.0 0.0 17.7
ID 40 59 0 0 0 0 0 0 100
ABS. 90 2 0 0 0 0 0 0 92 2 0 0 0 0 0 0 60
REL 97.8 2.1 0.0 0.0 0.0 0.0 0.0 0.0100.0 2.2 0.0 0.0 0.0 0.0 0.0 0.012.12
ID 97 2 0 0 0 0 0 0 100
Year
ABS. 210 155 0 0 0 0 0 0 365 155 0 0 0 0 0 0 101
REL. 57.5 42.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 42.5 0.0 0.0 0.0 0.0 0.0 0.0 1.5
ID 57 42 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