Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NO-nitrogen monoxide
Station:1140 - Beroun
Code:CZBECMBER
Institution:Czech Hydrometeorological Institute
Region:Stredocesky
District:Beroun
IHd: 150
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 3.56 4.12 57 110 140 70 167 147 42 45 39 33 37 54 43 29 26 30 11 4.55 30 38 151 23 41 4.78 3.51 4.05 4.03 122 97 51.98 166.60 31.00
2 56 119 58 139 263 163 49 10 5.75 3.08 4.97 3.28 30 93 78 36 74 41 8.26 6.16 44 31 3.41 3.55 32 6.59 11 50 ~ ~ ~ 50.78 263.42 28.00
3 52 7.71 32 110 114 30 4.12 53 19 67 122 128 113 19 50 26 54 91 18 22 21 10 4.34 1.85 5.14 7.18 55 95 96 44 23 48.22 128.07 31.00
4 66 39 29 48 27 3.38 41 46 27 20 25 29 20 7.28 54 46 59 52 39 9 18 55 36 43 46 17 4.91 47 63 33 ~ 35.03 66.05 30.00
5 43 23 37 6.40 24 42 24 20 29 28 20 27 40 42 31 57 25 10 11 51 51 23 15 16 7.42 25 24 18 23 25 17 26.95 57.35 31.00
6 6.79 39 44 36 17 21 17 6.29 28 16 36 44 6.34 29 11 26 56 52 23 24 16 11 5.54 31 37 48 23 6.55 12 41 ~ 25.61 55.65 30.00
7 33 52 21 11 16 6.47 37 54 32 13 51 50 12 11 10 25 17 10 23 15 24 32 22 26 36 18 19 61 56 35 31 27.71 61.05 31.00
8 25 35 18 22 37 32 18 33 36 24 11 3.63 4.65 24 45 35 23 53 77 60 43 32 57 39 43 59 36 49 65 48 22 35.72 76.94 31.00
9 32 75 72 75 53 56 39 80 105 37 36 90 82 16 39 59 45 45 84 105 41 30 27 18 22 35 27 40 88 103 ~ 55.16 105.36 30.00
10 112 119 87 104 16 13 12 31 55 44 29 17 43 111 116 75 31 46 10 106 149 255 16 125 94 2.51 10 3.79 53 75 108 66.81 255.31 31.00
11 122 24 29 48 16 108 111 52 3.81 116 108 209 245 161 174 136 97 185 90 98 85 61 61 87 196 219 154 59 77 22 ~ 105.11 244.71 30.00
12 137 140 106 103 33 37 34 23 66 138 285 52 50 43 36 265 259 41 206 166 204 90 46 9 14 24 50 56 31 8.00 15 89.22 284.64 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- 50 51- 100 101- 150 151- 225 226- 300 301- 450 451- 600 over 600 50 100 150 225 300 450 600
ABS. 57 18 11 3 1 0 0 0 90 33 15 4 1 0 0 0 263
REL. 63.3 20.0 12.2 3.3 1.1 0.0 0.0 0.0 100.0 36.7 16.7 4.4 1.1 0.0 0.0 0.05.2
ID 63 20 12 6 5 0 0 0 107
ABS. 80 11 0 0 0 0 0 0 91 11 0 0 0 0 0 0 66
REL. 87.9 12.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 12.1 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 87 12 0 0 0 0 0 0 100
ABS. 66 23 3 0 0 0 0 0 92 26 3 0 0 0 0 0 105
REL. 71.7 25.0 3.2 0.0 0.0 0.0 0.0 0.0100.0 28.3 3.3 0.0 0.0 0.0 0.0 0.0 9.9
ID 71 25 3 0 0 0 0 0 100
ABS. 36 21 20 10 5 0 0 0 92 56 35 15 5 0 0 0 285
REL 39.1 22.8 21.7 10.8 5.4 0.0 0.0 0.0100.0 60.9 38.0 16.3 5.4 0.0 0.0 0.011.12
ID 39 22 21 21 27 0 0 0 132
Year
ABS. 239 73 34 13 6 0 0 0 365 126 53 19 6 0 0 0 285
REL. 65.4 20.0 9.3 3.5 1.6 0.0 0.0 0.0100.0 34.5 14.5 5.2 1.6 0.0 0.0 0.011.12
ID 65 20 9 7 8 0 0 0 110

Note:

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