Detailed overview of ambient air pollution valuis from individual stations


Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 637 - Lovosice-MU
Code:CZLTHSLOM
Institution:Public Health Service
Region:Ustecky
District:Litomerice
IHd: 100
Measure method:triethanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 12 12 23 70 28 93 90 76 82 69 43 89 23 87 71 94 106 66 4.00 4.00 18 16 41 104 27 31 36 45 8.00 9.00 48 49.19 106.00 31.00
2 71 43 59 114 103 10 65 26 51 20 6.00 19 9.00 35 58 49 62 71 40 49 31 48 27 17 46 54 52 63 ~ ~ ~ 46.36 114.00 28.00
3 38 36 17 73 98 68 25 45 39 45 68 68 71 27 39 46 44 71 59 43 42 17 11 13 26 21 36 53 69 61 43 45.55 98.00 31.00
4 27 136 27 48 27 15 12 25 37 29 28 25 19 15 20 35 102 74 56 ~ ~ 42 53 38 56 63 34 56 59 76 ~ 44.07 136.00 28.00
5 37 30 38 29 29 58 44 32 41 34 38 34 55 51 49 63 46 30 23 43 45 51 51 39 24 33 46 49 38 35 45 40.65 63.00 31.00
6 32 43 68 58 32 30 35 28 42 29 51 34 69 40 23 30 6.00 28 16 25 41 26 20 25 21 22 39 35 27 37 ~ 33.73 69.00 30.00
7 41 34 27 37 15 4.00 ~ ~ ~ 29 49 33 16 7.00 16 30 53 33 26 29 18 32 45 33 34 48 23 10 46 31 44 30.11 53.00 28.00
8 52 35 26 16 31 29 15 37 40 25 20 19 16 30 18 7.00 13 10 27 33 44 31 49 26 24 45 29 50 52 47 21 29.58 52.00 31.00
9 14 54 31 38 57 47 31 18 43 52 24 26 64 27 15 38 26 41 48 59 39 33 24 29 48 53 27 23 44 109 ~ 39.40 109.00 30.00
10 96 103 114 ~ ~ 33 30 32 44 30 29 17 25 83 70 146 44 59 22 53 100 130 89 87 19 45 15 15 72 48 90 60.00 146.00 29.00
11 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
12 59 98 54 71 36 23 20 22 44 85 131 86 82 39 27 67 107 70 161 90 101 63 44 27 18 18 40 48 86 55 25 61.19 161.00 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 36 20 4 0 0 0 0 90 60 24 4 0 0 0 0 114
REL. 33.3 40.0 22.2 4.4 0.0 0.0 0.0 0.0 100.0 66.7 26.7 4.4 0.0 0.0 0.0 0.04.2
ID 33 40 22 8 0 0 0 0 104
ABS. 37 46 4 2 0 0 0 0 89 52 6 2 0 0 0 0 136
REL. 41.5 51.6 4.4 2.2 0.0 0.0 0.0 0.0 100.0 58.4 6.7 2.2 0.0 0.0 0.0 0.0 2.4
ID 41 51 4 4 0 0 0 0 102
ABS. 53 35 0 1 0 0 0 0 89 36 1 1 0 0 0 0 109
REL. 59.5 39.3 0.0 1.1 0.0 0.0 0.0 0.0100.0 40.4 1.1 1.1 0.0 0.0 0.0 0.0 30.9
ID 59 39 0 2 0 0 0 0 101
ABS. 19 16 17 7 1 0 0 0 60 41 25 8 1 0 0 0 161
REL 31.6 26.6 28.3 11.6 1.6 0.0 0.0 0.0100.0 68.3 41.7 13.3 1.7 0.0 0.0 0.019.12
ID 31 26 28 23 8 0 0 0 118
Year
ABS. 139 133 41 14 1 0 0 0 328 189 56 15 1 0 0 0 161
REL. 42.3 40.5 12.5 4.2 0.3 0.0 0.0 0.0100.0 57.6 17.1 4.6 0.3 0.0 0.0 0.019.12
ID 42 40 12 8 1 0 0 0 105

Note:

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