Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1300 - Pha8-Lyckovo nam.
Code:CZ08CMLYC
Institution:Czech Hydrometeorological Institute
Region:Hlavni mesto Praha
District:Praha 8
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 72 65 61 68 156 183 186 79 67 84 82 85 40 58 77 53 57 42 45 55 39 57 51 100 91 86 83 71 ~ ~ ~ 78.28 186.48 28.00
2 76 54 49 42 53 90 50 41 41 71 105 47 29 46 51 38 46 46 59 31 72 65 85 59 43 117 ~ ~ ~ ~ ~ 57.98 117.48 26.00
3 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
4 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 36 21 24 34 ~ 28.85 35.63 4.00
5 30 24 40 63 52 33 21 34 57 63 43 24 22 62 59 55 45 33 32 18 25 33 47 50 29 31 22 19 27 26 41 37.33 62.80 31.00
6 42 33 27 31 30 28 33 39 28 24 18 38 ~ ~ ~ 23 25 34 57 49 64 30 31 15 22 26 26 25 30 35 ~ 32.06 63.95 27.00
7 21 36 24 19 11 23 23 17 13 23 32 35 23 28 22 21 30 34 25 30 26 21 25 53 33 31 33 21 14 25 60 26.74 60.05 31.00
8 46 24 21 26 21 24 32 37 57 40 27 21 43 67 36 29 38 45 39 35 21 31 36 46 26 13 20 45 57 46 36 34.97 66.91 31.00
9 47 13 14 27 41 37 45 38 51 45 80 62 43 45 30 23 27 37 39 32 37 53 21 35 72 83 62 39 28 24 ~ 40.99 83.10 30.00
10 28 82 54 71 68 46 33 37 47 47 64 73 160 66 36 78 79 49 168 71 37 145 80 73 54 47 ~ ~ ~ ~ 57 68.56 167.92 27.00
11 45 59 78 33 49 32 105 78 95 58 80 44 63 80 75 118 ~ ~ ~ ~ ~ 232 231 ~ 72 43 69 104 143 67 ~ 85.50 231.97 24.00
12 51 51 97 101 54 41 52 117 143 109 76 64 44 44 36 27 56 82 133 140 67 99 82 67 67 94 51 76 139 64 74 77.31 142.57 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- 33 34- 67 68- 100 101- 150 151- 200 201- 300 301- 400 over 400 33 67 100 150 200 300 400
ABS. 2 29 18 2 3 0 0 0 541 52 23 5 3 0 0 0 186
REL. 3.7 53.7 33.3 3.7 5.5 0.0 0.0 0.0 100.0 96.3 42.6 9.3 5.6 0.0 0.0 0.07.1
ID 3 53 33 7 27 0 0 0 125
ABS. 36 26 0 0 0 0 0 0 62 26 0 0 0 0 0 0 64
REL. 58.0 41.9 0.0 0.0 0.0 0.0 0.0 0.0 100.0 41.9 0.0 0.0 0.0 0.0 0.0 0.0 21.6
ID 58 41 0 0 0 0 0 0 100
ABS. 49 39 4 0 0 0 0 0 92 43 4 0 0 0 0 0 83
REL. 53.2 42.3 4.3 0.0 0.0 0.0 0.0 0.0100.0 46.7 4.3 0.0 0.0 0.0 0.0 0.0 26.9
ID 53 42 4 0 0 0 0 0 100
ABS. 4 33 29 12 2 2 0 0 82 78 45 16 4 2 0 0 232
REL 4.8 40.2 35.3 14.6 2.4 2.4 0.0 0.0100.0 95.1 54.9 19.5 4.9 2.4 0.0 0.022.11
ID 4 40 35 29 12 60 0 0 182
Year
ABS. 91 127 51 14 5 2 0 0 290 199 72 21 7 2 0 0 232
REL. 31.3 43.7 17.5 4.8 1.7 0.6 0.0 0.0100.0 68.6 24.8 7.2 2.4 0.7 0.0 0.022.11
ID 31 43 17 9 8 17 0 0 128

Note:

1 frequency < 60 per quarter, or < 240 per annum
2 frequency < 30 per quarter, or < 120 per annum