Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
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 14 17 75 106 35 36 80 78 33 46 44 54 69 53 45 29 46 35 30 12 18 25 24 17 20 9 9 10 15 25 25 36.67 106.30 31.00
2 18 48 52 29 39 88 39 18 11 8.30 10 14 33 40 53 44 57 ~ ~ ~ 21 19 12 12 29 12 14 15 ~ ~ ~ 29.41 88.04 25.00
3 21 23 16 62 79 30 16 26 20 17 43 85 58 30 49 44 63 58 24 32 32 26 16 17 37 32 46 72 105 55 44 41.21 104.51 31.00
4 59 45 33 36 34 19 33 43 38 38 45 39 33 27 31 26 31 39 35 27 25 39 31 35 22 19 14 14 16 32 ~ 31.99 59.47 30.00
5 26 28 29 24 22 32 32 22 26 26 27 25 43 18 22 22 18 23 17 23 27 26 27 23 16 20 32 29 22 39 24 25.46 42.93 31.00
6 16 25 49 31 26 33 35 23 23 24 20 22 22 ~ ~ ~ ~ ~ 29 22 22 16 16 22 24 18 18 17 14 15 ~ 23.23 48.80 25.00
7 18 18 15 15 18 15 18 21 18 ~ 26 24 18 13 20 27 26 21 18 20 15 19 18 20 24 21 27 32 35 35 31 21.54 35.15 30.00
8 23 37 29 17 18 29 26 24 45 18 18 18 15 23 21 18 23 30 34 41 24 35 54 27 31 32 22 45 40 56 26 28.89 55.88 31.00
9 16 31 44 38 23 32 52 30 40 32 31 44 35 17 15 30 29 47 68 57 42 23 32 31 36 30 23 25 71 74 ~ 36.65 73.75 30.00
10 55 58 33 31 14 12 29 43 38 32 30 24 34 35 23 36 24 30 20 36 94 49 21 33 25 14 12 20 38 66 42 33.79 93.89 31.00
11 39 27 31 37 36 48 47 26 16 25 35 29 88 62 99 64 26 82 38 90 54 43 32 53 82 80 78 37 50 45 ~ 49.99 98.89 30.00
12 40 65 74 87 55 52 38 34 63 81 117 63 56 59 53 128 97 51 98 153 130 85 63 49 38 34 66 48 28 42 51 67.72 152.72 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. 48 29 8 2 0 0 0 0 87 39 10 2 0 0 0 0 106
REL. 55.1 33.3 9.1 2.2 0.0 0.0 0.0 0.0 100.0 44.8 11.5 2.3 0.0 0.0 0.0 0.04.1
ID 55 33 9 4 0 0 0 0 102
ABS. 69 17 0 0 0 0 0 0 86 17 0 0 0 0 0 0 59
REL. 80.2 19.7 0.0 0.0 0.0 0.0 0.0 0.0 100.0 19.8 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 80 19 0 0 0 0 0 0 100
ABS. 67 21 3 0 0 0 0 0 91 24 3 0 0 0 0 0 74
REL. 73.6 23.0 3.2 0.0 0.0 0.0 0.0 0.0100.0 26.4 3.3 0.0 0.0 0.0 0.0 0.0 30.9
ID 73 23 3 0 0 0 0 0 100
ABS. 27 47 14 3 1 0 0 0 92 65 18 4 1 0 0 0 153
REL 29.3 51.0 15.2 3.2 1.0 0.0 0.0 0.0100.0 70.7 19.6 4.3 1.1 0.0 0.0 0.020.12
ID 29 51 15 6 5 0 0 0 107
Year
ABS. 211 114 25 5 1 0 0 0 356 145 31 6 1 0 0 0 153
REL. 59.2 32.0 7.0 1.4 0.2 0.0 0.0 0.0100.0 40.7 8.7 1.7 0.3 0.0 0.0 0.020.12
ID 59 32 7 2 1 0 0 0 102

Note:

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