Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
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 26 39 35 36 26 10 3.91 4.96 13 29 19 31 42 22 14 33 49 62 50 41 60 33 45 36 28 26 28 48 65 61 53 34.49 64.80 31.00
2 30 43 49 43 38 31 54 60 62 45 32 49 58 45 39 51 45 38 33 49 36 24 28 37 50 23 53 64 55 ~ ~ 43.68 63.72 29.00
3 58 66 64 77 67 56 57 45 62 50 62 39 34 49 70 61 66 56 58 53 29 12 49 25 34 63 59 32 49 18 43 50.40 76.57 31.00
4 60 57 57 44 71 75 67 53 56 55 46 52 72 41 77 60 69 55 57 ~ ~ ~ 84 73 50 37 76 91 58 55 ~ 60.99 91.20 27.00
5 84 73 ~ ~ ~ 78 91 74 67 83 111 96 73 52 60 90 73 53 54 70 65 62 69 86 89 55 81 69 66 75 62 73.62 110.59 28.00
6 69 85 103 79 94 64 68 74 94 102 100 80 95 95 62 81 63 67 82 110 121 123 44 64 56 67 59 67 60 72 ~ 79.93 122.85 30.00
7 83 57 76 83 82 71 63 44 55 56 37 45 69 38 44 56 56 47 52 52 45 59 73 59 57 64 67 65 89 65 56 60.13 88.80 31.00
8 73 86 72 70 76 63 54 37 32 68 71 89 68 76 103 67 89 57 71 72 78 53 64 84 51 51 43 39 47 67 59 65.49 102.57 31.00
9 66 56 53 47 34 44 28 37 49 60 44 47 63 53 43 52 32 27 19 21 14 19 35 26 22 11 17 42 56 58 ~ 39.07 66.12 30.00
10 35 23 14 9 12 29 31 16 24 29 11 12 1.87 13 49 14 20 30 2.46 16 20 15 12 22 37 31 36 17 37 20 41 21.81 48.64 31.00
11 31 15 10 25 14 34 14 11 17 27 28 13 3.72 10 14 9 13 21 13 6.38 3.59 4.88 3.21 3.05 7.83 26 22 4.78 2.21 1.94 ~ 13.65 34.29 30.00
12 4.41 1.63 3.38 13 5.44 13 9 3.95 3.83 35 27 22 44 39 40 45 24 13 5.02 3.15 19 11 8.86 11 11 4.12 7.94 10 7.49 24 26 15.97 45.00 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. 64 27 0 0 0 0 0 0 91 27 0 0 0 0 0 0 77
REL. 70.3 29.6 0.0 0.0 0.0 0.0 0.0 0.0 100.0 29.7 0.0 0.0 0.0 0.0 0.0 0.04.3
ID 70 29 0 0 0 0 0 0 100
ABS. 10 71 4 0 0 0 0 0 85 75 4 0 0 0 0 0 123
REL. 11.7 83.5 4.7 0.0 0.0 0.0 0.0 0.0 100.0 88.2 4.7 0.0 0.0 0.0 0.0 0.0 22.6
ID 11 83 4 0 0 0 0 0 100
ABS. 41 51 0 0 0 0 0 0 92 51 0 0 0 0 0 0 103
REL. 44.5 55.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 55.4 0.0 0.0 0.0 0.0 0.0 0.0 15.8
ID 44 55 0 0 0 0 0 0 100
ABS. 92 0 0 0 0 0 0 0 92 0 0 0 0 0 0 0 49
REL100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.015.10
ID 100 0 0 0 0 0 0 0 100
Year
ABS. 207 149 4 0 0 0 0 0 360 153 4 0 0 0 0 0 123
REL. 57.5 41.3 1.1 0.0 0.0 0.0 0.0 0.0100.0 42.5 1.1 0.0 0.0 0.0 0.0 0.0 22.6
ID 57 41 1 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