Detailed overview of ambient air pollution valuis from individual stations

617 - Litomerice-OHS

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 617 - Litomerice-OHS
Code:CZLTHSLOH
Institution:Public Health Service
Region:Severocesky
District:Litomerice
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 85 50 40 38 43 77 74 89 70 86 75 29 64 118 125 115 97 79 52 63 90 42 68 120 62 26 101 80 37 35 46 70.19 125.00 31.00
2 43 62 89 89 82 116 161 130 108 111 42 70 54 62 34 33 54 59 63 59 27 40 97 43 51 43 44 50 ~ ~ ~ 68.43 161.00 28.00
3 68 60 51 63 69 81 70 72 49 87 114 98 64 47 27 31 57 43 44 54 29 31 27 53 57 57 55 24 18 24 43 53.77 114.00 31.00
4 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
5 11 11 4.00 5.00 17 13 29 22 20 26 23 25 38 50 68 21 11 11 31 24 15 21 14 8.00 11 13 4.00 17 7.00 17 11 19.29 68.00 31.00
6 27 11 12 13 4.00 5.00 4.00 4.00 4.00 12 26 18 18 12 8.00 17 18 35 24 16 7.00 11 11 9.00 8.00 4.00 5.00 4.00 4.00 16 ~ 12.23 35.00 30.00
7 23 16 21 10 4.00 4.00 7.00 9.00 11 35 22 7.00 20 12 17 14 8.00 ~ 4.00 4.00 18 12 37 15 9.00 4.00 13 15 8.00 18 34 14.37 37.00 30.00
8 27 4.00 4.00 19 16 14 7.00 4.00 8.00 32 30 31 4.00 38 9.00 4.00 4.00 4.00 7.00 17 9.00 9.00 11 11 25 40 21 20 14 12 21 15.35 40.00 31.00
9 38 30 27 19 14 13 13 6.00 4.00 13 28 24 15 22 51 49 57 53 30 19 29 54 29 19 38 18 11 34 52 23 ~ 27.73 57.00 30.00
10 13 5.00 9.00 19 24 60 66 32 29 27 10 6.00 19 26 31 66 55 17 18 26 37 62 41 18 25 27 34 29 77 41 48 32.16 77.00 31.00
11 73 78 37 54 62 145 109 65 46 92 73 59 42 49 62 32 42 43 30 71 78 69 67 74 52 63 74 72 51 51 ~ 63.83 145.00 30.00
12 53 46 46 38 60 40 69 67 77 92 60 35 35 36 37 48 30 32 56 39 65 74 80 59 41 32 31 69 67 100 77 54.55 100.00 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. 12 43 24 10 1 0 0 0 90 78 35 11 1 0 0 0 161
REL. 13.3 47.7 26.6 11.1 1.1 0.0 0.0 0.0 100.0 86.7 38.9 12.2 1.1 0.0 0.0 0.07.2
ID 13 47 26 22 5 0 0 0 115
ABS. 57 3 1 0 0 0 0 0 61 4 1 0 0 0 0 0 68
REL. 93.4 4.9 1.6 0.0 0.0 0.0 0.0 0.0 100.0 6.6 1.6 0.0 0.0 0.0 0.0 0.0 15.5
ID 93 4 1 0 0 0 0 0 100
ABS. 77 14 0 0 0 0 0 0 91 14 0 0 0 0 0 0 57
REL. 84.6 15.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 15.4 0.0 0.0 0.0 0.0 0.0 0.0 17.9
ID 84 15 0 0 0 0 0 0 100
ABS. 26 42 22 2 0 0 0 0 92 66 24 2 0 0 0 0 145
REL 28.2 45.6 23.9 2.1 0.0 0.0 0.0 0.0100.0 71.7 26.1 2.2 0.0 0.0 0.0 0.0 6.11
ID 28 45 23 4 0 0 0 0 102
Year
ABS. 172 102 47 12 1 0 0 0 334 162 60 13 1 0 0 0 161
REL. 51.4 30.5 14.0 3.5 0.2 0.0 0.0 0.0100.0 48.5 18.0 3.9 0.3 0.0 0.0 0.0 7.2
ID 51 30 14 7 1 0 0 0 104

Note:

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

Detailed overview of ambient air pollution valuis from individual stations - selection station