Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1455 - Kladno-Svermov
Code:CZKLCMKSV
Institution:Czech Hydrometeorological Institute
Region:Stredocesky
District:Kladno
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 23 26 74 132 115 69 129 93 53 56 52 58 88 85 61 40 59 40 40 23 30 34 33 26 24 13 12 15 18 50 26 51.45 131.88 31.00
2 20 66 65 82 99 81 38 21 14 13 15 27 37 48 66 54 88 53 22 17 23 22 15 17 40 15 17 19 ~ ~ ~ 39.09 98.86 28.00
3 22 26 31 57 74 45 17 34 24 32 65 75 68 26 44 47 60 74 26 28 30 21 12 14 27 28 37 60 76 53 42 41.08 76.05 31.00
4 48 45 33 40 28 17 33 42 40 36 46 40 35 27 30 48 60 57 57 37 33 60 38 45 30 24 20 23 22 48 ~ 38.12 60.38 30.00
5 34 42 34 31 32 39 41 41 45 37 31 29 37 23 31 34 25 28 25 32 45 37 33 22 18 26 30 27 20 31 23 31.73 45.22 31.00
6 16 23 33 37 29 30 28 18 24 23 19 18 18 20 19 25 30 41 30 30 30 19 19 25 27 31 23 18 17 17 ~ 24.56 40.87 30.00
7 30 30 27 15 22 19 18 34 34 26 24 25 21 15 23 29 25 19 18 18 19 15 17 20 21 18 21 25 27 29 33 23.07 34.37 31.00
8 23 36 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 22 25 24 27 23 28 36 44 32 32 43 36 31 39 62 67 66 62 53 38.59 67.42 21.00
9 21 41 59 59 49 48 44 51 66 49 42 51 39 31 23 33 46 45 59 51 42 29 43 78 88 44 33 41 51 86 ~ 48.07 87.96 30.00
10 87 89 47 52 27 37 50 44 52 51 60 55 68 67 46 58 38 80 60 71 117 71 43 76 44 28 33 44 46 86 72 58.11 117.04 31.00
11 55 62 117 89 85 94 100 49 38 75 86 104 176 135 139 107 92 128 107 179 121 76 115 116 156 101 103 83 86 101 ~ 102.49 178.74 30.00
12 114 137 126 145 136 98 69 53 62 88 119 67 60 52 68 139 143 94 162 192 146 112 93 76 81 70 81 101 69 91 92 101.13 191.55 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. 41 32 14 3 0 0 0 0 90 49 17 3 0 0 0 0 132
REL. 45.5 35.5 15.5 3.3 0.0 0.0 0.0 0.0 100.0 54.4 18.9 3.3 0.0 0.0 0.0 0.04.1
ID 45 35 15 6 0 0 0 0 103
ABS. 58 33 0 0 0 0 0 0 91 33 0 0 0 0 0 0 60
REL. 63.7 36.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 36.3 0.0 0.0 0.0 0.0 0.0 0.0 17.4
ID 63 36 0 0 0 0 0 0 100
ABS. 44 34 4 0 0 0 0 0 82 38 4 0 0 0 0 0 88
REL. 53.6 41.4 4.8 0.0 0.0 0.0 0.0 0.0100.0 46.3 4.9 0.0 0.0 0.0 0.0 0.0 25.9
ID 53 41 4 0 0 0 0 0 100
ABS. 3 25 33 26 5 0 0 0 92 89 64 31 5 0 0 0 192
REL 3.2 27.1 35.8 28.2 5.4 0.0 0.0 0.0100.0 96.7 69.6 33.7 5.4 0.0 0.0 0.020.12
ID 3 27 35 56 27 0 0 0 150
Year
ABS. 146 124 51 29 5 0 0 0 355 209 85 34 5 0 0 0 192
REL. 41.1 34.9 14.3 8.1 1.4 0.0 0.0 0.0100.0 58.9 23.9 9.6 1.4 0.0 0.0 0.020.12
ID 41 34 14 16 7 0 0 0 113

Note:

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