Detailed overview of ambient air pollution valuis from individual stations


Year: 1999
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 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
2 ~ ~ ~ ~ ~ ~ ~ ~ ~ 103 61 34 25 44 38 30 24 38 39 38 24 37 38 30 29 49 38 25 ~ ~ ~ 39.28 102.60 19.00
3 30 33 39 68 37 30 36 41 50 50 41 70 49 47 34 39 65 69 45 23 29 29 28 45 76 69 37 31 42 59 53 45.01 75.61 31.00
4 57 43 41 27 24 27 26 27 32 20 23 24 19 27 25 29 22 27 33 49 36 41 33 24 31 39 30 38 33 39 ~ 31.60 56.56 30.00
5 23 25 28 19 20 32 33 27 26 18 12 17 14 15 11 17 20 23 28 25 30 17 20 29 22 24 32 30 18 17 15 22.15 32.94 31.00
6 27 32 16 13 16 13 22 19 20 29 27 19 19 23 21 25 22 19 17 12 17 15 24 31 26 23 19 19 23 18 ~ 20.91 31.63 30.00
7 22 21 20 18 15 15 17 20 19 13 17 22 15 13 15 15 18 21 26 15 10 15 18 16 19 17 20 17 20 21 16 17.65 25.60 31.00
8 17 29 30 32 30 22 17 14 22 14 17 26 31 15 8.99 22 26 23 10 12 13 19 29 31 43 38 ~ ~ ~ 37 31 23.57 43.33 28.00
9 20 28 31 26 28 42 23 34 41 45 32 36 44 51 52 59 56 37 59 54 48 39 29 24 38 15 15 20 14 17 ~ 35.18 59.21 30.00
10 12 17 15 19 34 24 27 27 14 15 16 41 57 29 54 33 40 66 64 58 54 63 47 42 77 26 23 43 67 79 34 39.20 78.61 31.00
11 103 86 53 90 167 46 26 46 56 58 65 67 46 27 74 78 50 51 62 59 65 49 69 95 60 81 52 77 69 68 ~ 66.48 167.04 30.00
12 31 36 25 23 20 29 28 39 39 47 32 15 34 42 54 61 46 39 30 67 105 146 125 40 36 25 54 48 39 26 41 45.91 145.69 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. 15 29 5 1 0 0 0 0 501 35 6 1 0 0 0 0 103
REL. 30.0 58.0 10.0 2.0 0.0 0.0 0.0 0.0 100.0 70.0 12.0 2.0 0.0 0.0 0.0 0.010.2
ID 30 58 10 4 0 0 0 0 102
ABS. 81 10 0 0 0 0 0 0 91 10 0 0 0 0 0 0 57
REL. 89.0 10.9 0.0 0.0 0.0 0.0 0.0 0.0 100.0 11.0 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 89 10 0 0 0 0 0 0 100
ABS. 70 19 0 0 0 0 0 0 89 19 0 0 0 0 0 0 59
REL. 78.6 21.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 21.3 0.0 0.0 0.0 0.0 0.0 0.0 19.9
ID 78 21 0 0 0 0 0 0 100
ABS. 26 48 13 4 1 0 0 0 92 66 18 5 1 0 0 0 167
REL 28.2 52.1 14.1 4.3 1.0 0.0 0.0 0.0100.0 71.7 19.6 5.4 1.1 0.0 0.0 0.0 5.11
ID 28 52 14 8 5 0 0 0 108
Year
ABS. 192 106 18 5 1 0 0 0 322 130 24 6 1 0 0 0 167
REL. 59.6 32.9 5.5 1.5 0.3 0.0 0.0 0.0100.0 40.4 7.5 1.9 0.3 0.0 0.0 0.0 5.11
ID 59 32 5 3 1 0 0 0 102

Note:

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