Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1106 - Slany
Code:CZKLCMSLA
Institution:Czech Hydrometeorological Institute
Region:Stredocesky
District:Kladno
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 49 47 75 103 112 23 44 69 36 116 74 69 74 65 65 88 32 47 58 46 40 38 44 50 82 72 27 47 64 54 46 59.78 116.16 31.00
2 37 44 49 81 24 51 79 68 38 48 43 88 37 47 75 127 37 24 29 19 22 19 28 46 73 69 76 49 ~ ~ ~ 50.99 127.45 28.00
3 61 65 44 42 34 43 44 40 43 20 15 17 17 19 41 71 38 26 14 26 37 56 53 32 31 22 25 31 34 53 41 36.56 70.78 31.00
4 42 ~ ~ ~ 20 16 14 20 41 44 29 18 15 15 12 21 26 20 23 26 17 22 40 37 28 16 20 13 24 37 ~ 24.30 43.66 27.00
5 23 19 22 20 18 16 21 25 25 22 16 14 23 23 25 13 16 16 15 20 20 22 22 27 18 15 16 18 15 17 21 19.42 27.45 31.00
6 14 9 6.84 14 23 28 15 16 18 17 18 23 29 25 21 10 12 15 17 21 17 17 10 15 24 22 25 22 20 14 ~ 17.97 29.22 30.00
7 16 18 18 17 13 12 9 10 16 17 14 13 18 17 11 20 20 14 24 23 15 18 19 21 18 23 20 19 21 22 16 17.14 23.98 31.00
8 22 26 24 14 13 17 23 15 ~ 19 16 10 30 24 27 23 22 62 36 22 24 24 23 26 19 24 18 12 24 35 52 24.16 62.47 30.00
9 16 16 16 15 20 134 56 30 27 21 19 18 12 10 10 17 23 27 41 16 13 20 21 30 27 28 27 27 32 26 ~ 26.53 134.02 30.00
10 19 57 47 49 109 45 53 73 72 46 37 79 99 104 91 93 78 119 134 74 48 54 79 74 42 50 34 30 23 18 19 62.86 134.09 31.00
11 17 26 40 35 34 26 20 16 28 50 71 74 48 71 55 59 45 34 39 54 40 22 25 41 72 130 87 32 34 50 ~ 45.83 129.55 30.00
12 35 40 55 78 111 65 38 46 63 85 93 35 47 60 57 31 54 45 42 29 22 28 28 17 14 19 20 16 26 ~ ~ 44.81 111.11 29.00

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. 23 46 17 4 0 0 0 0 90 67 21 4 0 0 0 0 127
REL. 25.5 51.1 18.8 4.4 0.0 0.0 0.0 0.0 100.0 74.4 23.3 4.4 0.0 0.0 0.0 0.016.2
ID 25 51 18 8 0 0 0 0 104
ABS. 82 6 0 0 0 0 0 0 88 6 0 0 0 0 0 0 44
REL. 93.1 6.8 0.0 0.0 0.0 0.0 0.0 0.0 100.0 6.8 0.0 0.0 0.0 0.0 0.0 0.0 10.4
ID 93 6 0 0 0 0 0 0 100
ABS. 84 6 0 1 0 0 0 0 91 7 1 1 0 0 0 0 134
REL. 92.3 6.5 0.0 1.0 0.0 0.0 0.0 0.0100.0 7.7 1.1 1.1 0.0 0.0 0.0 0.0 6.9
ID 92 6 0 2 0 0 0 0 101
ABS. 25 41 18 6 0 0 0 0 90 65 24 6 0 0 0 0 134
REL 27.7 45.5 20.0 6.6 0.0 0.0 0.0 0.0100.0 72.2 26.7 6.7 0.0 0.0 0.0 0.019.10
ID 27 45 20 13 0 0 0 0 106
Year
ABS. 214 99 35 11 0 0 0 0 359 145 46 11 0 0 0 0 134
REL. 59.6 27.5 9.7 3.0 0.0 0.0 0.0 0.0100.0 40.4 12.8 3.1 0.0 0.0 0.0 0.019.10
ID 59 27 9 6 0 0 0 0 103

Note:

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