Detailed overview of ambient air pollution valuis from individual stations

779 - PHA8-Kobylisy

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 779 - PHA8-Kobylisy
Code:CZ08CMKOB
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 8
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 73 104 51 57 47 45 74 136 60 83 70 56 112 183 193 157 169 118 55 143 90 59 89 121 62 29 137 51 43 36 25 88.06 193.02 31.00
2 32 94 135 91 50 56 112 85 104 74 40 35 34 45 23 25 66 56 36 43 28 43 67 53 33 27 30 67 ~ ~ ~ 56.60 135.49 28.00
3 ~ 28 ~ ~ ~ 97 71 122 81 171 136 142 41 41 22 20 39 62 42 29 49 23 31 53 54 84 33 33 11 15 51 58.57 171.01 27.00
4 91 91 55 19 25 12 29 52 104 54 34 12 43 27 16 15 33 28 13 33 64 51 43 69 35 33 53 46 28 21 ~ 40.96 104.08 30.00
5 54 39 48 41 36 27 24 20 25 34 42 29 27 45 37 26 ~ 25 42 49 28 24 22 19 19 27 17 16 15 13 11 29.35 54.27 30.00
6 16 43 37 49 20 47 19 23 29 32 40 75 29 18 16 19 49 40 21 25 19 39 25 31 40 37 30 17 17 17 ~ 30.63 74.78 30.00
7 26 23 33 18 13 14 11 10 26 25 35 34 42 39 23 41 22 20 11 8.96 16 35 59 47 26 14 19 49 42 31 29 27.12 58.92 31.00
8 22 29 34 52 29 18 19 19 18 20 29 44 74 48 29 21 29 54 41 35 40 68 54 65 57 66 72 28 16 27 69 39.58 73.95 31.00
9 53 53 46 72 44 25 17 17 14 30 39 44 23 44 65 51 70 113 33 39 102 150 77 44 83 80 46 94 121 41 ~ 57.71 149.67 30.00
10 37 17 23 27 52 90 80 60 36 30 22 23 38 40 39 67 73 ~ ~ ~ ~ 156 58 21 17 24 45 114 226 74 47 56.85 225.51 27.00
11 129 117 32 43 71 130 254 74 61 73 114 68 45 70 56 25 27 23 46 118 172 69 90 74 66 65 71 98 73 106 ~ 81.99 253.91 30.00

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- 33 34- 67 68- 100 101- 150 151- 200 201- 300 301- 400 over 400 33 67 100 150 200 300 400
ABS. 18 34 16 13 5 0 0 0 86 68 34 18 5 0 0 0 193
REL. 20.9 39.5 18.6 15.1 5.8 0.0 0.0 0.0 100.0 79.1 39.5 20.9 5.8 0.0 0.0 0.015.1
ID 20 39 18 30 29 0 0 0 138
ABS. 53 32 4 1 0 0 0 0 90 37 5 1 0 0 0 0 104
REL. 58.8 35.5 4.4 1.1 0.0 0.0 0.0 0.0 100.0 41.1 5.6 1.1 0.0 0.0 0.0 0.0 9.4
ID 58 35 4 2 0 0 0 0 101
ABS. 42 36 10 4 0 0 0 0 92 50 14 4 0 0 0 0 150
REL. 45.6 39.1 10.8 4.3 0.0 0.0 0.0 0.0100.0 54.3 15.2 4.3 0.0 0.0 0.0 0.0 22.9
ID 45 39 10 8 0 0 0 0 104
ABS. 13 18 15 7 2 2 0 0 571 44 26 11 4 2 0 0 254
REL 22.8 31.5 26.3 12.2 3.5 3.5 0.0 0.0100.0 77.2 45.6 19.3 7.0 3.5 0.0 0.0 7.11
ID 22 31 26 24 17 87 0 0 210
Year
ABS. 126 120 45 25 7 2 0 0 325 199 79 34 9 2 0 0 254
REL. 38.7 36.9 13.8 7.6 2.1 0.6 0.0 0.0100.0 61.2 24.3 10.5 2.8 0.6 0.0 0.0 7.11
ID 38 36 13 15 10 15 0 0 131

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