Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
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 ~ ~ 53 123 141 65 126 93 45 56 71 70 78 106 59 39 73 45 42 20 26 33 38 26 24 14 16 15 19 47 29 54.86 140.74 29.00
2 21 44 53 55 66 44 23 18 16 15 16 17 20 20 45 41 65 48 22 17 23 20 14 17 39 15 16 18 ~ ~ ~ 29.46 65.75 28.00
3 25 26 25 53 69 47 19 39 25 30 78 68 77 27 43 46 55 84 27 30 30 25 18 21 35 32 42 49 65 52 48 42.31 84.44 31.00
4 47 49 35 37 28 21 27 43 41 34 34 29 30 29 32 38 37 41 39 31 28 43 30 31 26 18 14 18 17 34 ~ 32.08 49.25 30.00
5 24 30 26 23 23 32 27 23 24 21 23 21 27 19 22 28 22 21 22 23 30 31 27 23 19 26 27 26 20 27 23 24.66 31.93 31.00
6 16 21 25 32 20 24 28 19 23 23 17 18 17 21 18 25 27 33 26 22 ~ ~ ~ ~ 25 28 22 ~ ~ ~ ~ 23.13 32.95 23.00
7 ~ ~ ~ ~ ~ 20 22 33 30 21 30 25 17 15 22 ~ ~ ~ ~ ~ ~ ~ 19 18 22 19 20 25 29 26 24 22.95 33.45 19.00
8 27 31 20 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 24 30 32 35 28 30 37 34 32 32 24 32 45 33 20 30.30 44.72 18.00
9 23 30 39 43 30 26 26 33 43 28 32 32 35 15 16 24 22 31 50 47 30 24 25 23 30 29 23 26 36 61 ~ 31.04 61.49 30.00
10 61 76 35 24 13 12 22 34 27 32 26 26 30 68 45 55 23 23 16 40 113 74 17 43 40 7.58 6.88 15 39 68 56 37.71 113.02 31.00
11 47 20 28 44 36 65 87 31 15 44 45 68 129 85 115 90 48 73 45 69 63 54 64 56 92 119 84 47 56 51 ~ 62.37 129.49 30.00
12 63 ~ ~ ~ ~ 60 45 34 50 88 166 71 69 50 53 103 105 55 127 187 130 78 63 35 35 32 46 78 45 40 42 72.22 187.45 27.00

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. 42 32 10 4 0 0 0 0 88 46 14 4 0 0 0 0 141
REL. 47.7 36.3 11.3 4.5 0.0 0.0 0.0 0.0 100.0 52.3 15.9 4.5 0.0 0.0 0.0 0.05.1
ID 47 36 11 9 0 0 0 0 104
ABS. 70 14 0 0 0 0 0 0 84 14 0 0 0 0 0 0 49
REL. 83.3 16.6 0.0 0.0 0.0 0.0 0.0 0.0 100.0 16.7 0.0 0.0 0.0 0.0 0.0 0.0 2.4
ID 83 16 0 0 0 0 0 0 100
ABS. 54 13 0 0 0 0 0 0 67 13 0 0 0 0 0 0 61
REL. 80.5 19.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 19.4 0.0 0.0 0.0 0.0 0.0 0.0 30.9
ID 80 19 0 0 0 0 0 0 100
ABS. 21 40 17 8 2 0 0 0 88 67 27 10 2 0 0 0 187
REL 23.8 45.4 19.3 9.0 2.2 0.0 0.0 0.0100.0 76.1 30.7 11.4 2.3 0.0 0.0 0.020.12
ID 23 45 19 18 11 0 0 0 118
Year
ABS. 187 99 27 12 2 0 0 0 327 140 41 14 2 0 0 0 187
REL. 57.1 30.2 8.2 3.6 0.6 0.0 0.0 0.0100.0 42.8 12.5 4.3 0.6 0.0 0.0 0.020.12
ID 57 30 8 7 3 0 0 0 106

Note:

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