Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1454 - Kladno-stred mesta
Code:CZKLCMKSM
Institution:Czech Hydrometeorological Institute
Region:Stredocesky
District:Kladno
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
2 ~ ~ ~ ~ ~ ~ ~ ~ ~ 103 48 26 21 32 31 23 19 30 32 25 15 21 21 23 25 33 27 21 ~ ~ ~ 30.31 102.78 19.00
3 17 24 29 63 29 28 29 27 31 34 38 65 51 46 37 37 58 62 38 20 23 26 24 43 71 ~ 43 32 50 66 77 40.53 77.16 30.00
4 77 43 ~ 22 18 29 21 26 32 34 23 23 19 20 27 28 19 21 31 37 25 33 ~ 49 42 46 38 43 54 67 ~ 33.76 76.61 28.00
5 61 36 ~ 21 25 29 34 19 29 21 14 18 17 18 12 24 23 20 25 28 28 15 14 32 22 34 43 28 18 15 16 24.68 60.52 30.00
6 28 25 15 12 14 10 20 19 25 28 27 16 14 24 22 24 21 20 16 11 19 15 30 41 31 17 17 16 21 17 ~ 20.55 41.26 30.00
7 21 21 11 15 11 12 16 19 18 12 17 20 14 15 19 17 23 19 22 15 13 17 21 16 26 17 18 17 23 22 17 17.49 26.16 31.00
8 19 36 39 46 29 22 14 11 18 14 20 25 25 12 10 16 22 17 12 15 13 31 38 55 42 26 33 21 30 30 34 25.01 54.96 31.00
9 21 32 32 21 21 23 23 48 50 53 32 38 64 78 58 54 36 22 22 22 30 34 23 20 25 13 20 22 16 22 ~ 32.48 77.80 30.00
10 15 15 14 23 39 28 27 25 14 14 21 44 90 43 56 24 34 64 57 48 36 33 27 28 45 22 23 31 46 66 21 34.63 90.32 31.00
11 59 80 66 83 150 37 19 44 51 51 65 62 41 22 75 63 39 33 52 48 55 45 72 83 55 59 39 99 67 53 ~ 58.91 149.58 30.00
12 27 24 15 13 15 19 18 22 30 31 18 7.48 21 20 43 38 25 27 27 47 78 99 100 28 30 14 29 42 35 28 35 32.43 100.37 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. 30 16 2 1 0 0 0 0 491 19 3 1 0 0 0 0 103
REL. 61.2 32.6 4.0 2.0 0.0 0.0 0.0 0.0 100.0 38.8 6.1 2.0 0.0 0.0 0.0 0.010.2
ID 61 32 4 4 0 0 0 0 102
ABS. 71 15 2 0 0 0 0 0 88 17 2 0 0 0 0 0 77
REL. 80.6 17.0 2.2 0.0 0.0 0.0 0.0 0.0 100.0 19.3 2.3 0.0 0.0 0.0 0.0 0.0 1.4
ID 80 17 2 0 0 0 0 0 100
ABS. 75 16 1 0 0 0 0 0 92 17 1 0 0 0 0 0 78
REL. 81.5 17.3 1.0 0.0 0.0 0.0 0.0 0.0100.0 18.5 1.1 0.0 0.0 0.0 0.0 0.0 14.9
ID 81 17 1 0 0 0 0 0 100
ABS. 43 37 10 2 0 0 0 0 92 49 12 2 0 0 0 0 150
REL 46.7 40.2 10.8 2.1 0.0 0.0 0.0 0.0100.0 53.3 13.0 2.2 0.0 0.0 0.0 0.0 5.11
ID 46 40 10 4 0 0 0 0 102
Year
ABS. 219 84 15 3 0 0 0 0 321 102 18 3 0 0 0 0 150
REL. 68.2 26.1 4.6 0.9 0.0 0.0 0.0 0.0100.0 31.8 5.6 0.9 0.0 0.0 0.0 0.0 5.11
ID 68 26 4 1 0 0 0 0 100

Note:

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