Detailed overview of ambient air pollution valuis from individual stations


Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 659 - Kladno OHS
Code:CZKLHSKOH
Institution:Public Health Service
Region:Stredocesky
District:Kladno
IHd: 100
Measure method:triethanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ 27 137 239 ~ ~ 126 103 77 34 81 ~ ~ 95 84 66 67 49 ~ ~ 40 43 83 43 10 ~ ~ 40 35 32 50 70.95 239.00 22.00
2 55 ~ ~ 83 130 64 56 11 ~ ~ 16 6.00 82 51 87 ~ ~ 80 43 43 60 36 ~ ~ 90 9.00 29 35 ~ ~ ~ 53.30 130.00 20.00
3 71 ~ ~ 89 83 41 24 72 ~ ~ 91 91 80 66 52 ~ ~ 57 68 45 50 37 ~ ~ 103 103 41 94 54 ~ ~ 67.24 103.00 21.00
4 ~ 82 98 84 88 ~ ~ 78 129 37 107 44 ~ ~ 38 60 67 64 61 ~ ~ 78 71 60 50 42 ~ ~ 57 25 ~ 67.62 129.00 21.00
5 ~ 48 32 ~ ~ 63 47 ~ 35 22 ~ ~ 72 36 77 29 55 ~ ~ 85 40 47 52 45 ~ ~ 49 31 29 59 58 48.14 85.00 21.00
6 ~ ~ 77 56 33 43 50 ~ ~ 60 49 68 48 30 ~ ~ 50 39 56 46 39 ~ ~ 91 95 42 88 99 ~ ~ ~ 57.95 99.00 20.00
7 72 91 67 73 ~ ~ ~ 46 27 64 87 32 ~ ~ 61 65 44 38 63 ~ ~ 69 83 12 36 14 ~ ~ 29 19 17 50.41 91.00 22.00
8 28 9.00 ~ ~ 7.00 7.00 41 21 19 ~ ~ 38 24 8.00 7.00 8.00 ~ ~ 8.00 6.00 8.00 6.00 8.00 ~ ~ 8.00 11 11 8.00 6.00 ~ 13.50 41.00 22.00
9 ~ 24 9.00 9.00 7.00 6.00 ~ ~ 7.00 4.00 4.00 5.00 6.00 ~ ~ 7.00 10 4.00 11 10 ~ ~ 6.00 9.00 8.00 12 4.00 ~ ~ 43 ~ 9.76 43.00 21.00
10 40 68 7.00 23 ~ ~ 13 40 40 42 57 ~ ~ 51 53 63 41 79 ~ ~ 25 17 47 37 14 ~ ~ ~ 19 75 58 41.32 79.00 22.00
11 54 ~ ~ 31 52 47 23 39 ~ ~ 37 25 14 48 12 ~ ~ 17 53 66 34 24 ~ ~ 4.00 13 76 48 119 ~ ~ 39.81 119.00 21.00
12 ~ 52 80 67 104 73 ~ ~ 39 43 93 78 96 ~ ~ 31 12 69 42 77 39 ~ 61 ~ ~ ~ 56 ~ ~ 49 39 60.00 104.00 20.00

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. 9 27 20 6 0 1 0 0 63 54 27 7 1 1 0 0 239
REL. 14.2 42.8 31.7 9.5 0.0 1.5 0.0 0.0 100.0 85.7 42.9 11.1 1.6 1.6 0.0 0.04.1
ID 14 42 31 19 0 39 0 0 147
ABS. 8 35 17 2 0 0 0 0 62 54 19 2 0 0 0 0 129
REL. 12.9 56.4 27.4 3.2 0.0 0.0 0.0 0.0 100.0 87.1 30.6 3.2 0.0 0.0 0.0 0.0 9.4
ID 12 56 27 6 0 0 0 0 103
ABS. 47 11 7 0 0 0 0 0 65 18 7 0 0 0 0 0 91
REL. 72.3 16.9 10.7 0.0 0.0 0.0 0.0 0.0100.0 27.7 10.8 0.0 0.0 0.0 0.0 0.0 2.7
ID 72 16 10 0 0 0 0 0 100
ABS. 18 31 12 2 0 0 0 0 63 45 14 2 0 0 0 0 119
REL 28.5 49.2 19.0 3.1 0.0 0.0 0.0 0.0100.0 71.4 22.2 3.2 0.0 0.0 0.0 0.029.11
ID 28 49 19 6 0 0 0 0 103
Year
ABS. 82 104 56 10 0 1 0 0 253 171 67 11 1 1 0 0 239
REL. 32.4 41.1 22.1 3.9 0.0 0.3 0.0 0.0100.0 67.6 26.5 4.3 0.4 0.4 0.0 0.0 4.1
ID 32 41 22 7 0 9 0 0 113

Note:

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