Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
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:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ 13 48 53 50 37 35 78 69 61 46 36 30 4.00 23 33 14 11 7.00 4.00 4.00 19 16 18 22 99 24 34 25 11 4.00 30.93 99.00 30.00
2 4.00 9.00 5.00 7.00 7.00 15 10 6.00 6.00 ~ ~ 79 38 35 74 92 31 20 15 9.00 4.00 9.00 9.00 4.00 11 25 19 27 ~ ~ ~ 21.92 92.00 26.00
3 39 15 69 90 39 43 51 48 72 39 28 47 43 40 89 79 40 38 55 46 47 59 61 45 33 ~ ~ 24 26 69 53 49.21 90.00 29.00
4 49 62 61 51 25 43 18 15 23 47 46 21 7.00 4.00 4.00 8.00 9.00 4.00 14 7.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 ~ 18.60 62.00 30.00
5 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 4.00 4.00 4.00 11 4.00 21 14 12 20 10.44 21.00 9.00
6 9.00 4.00 4.00 16 19 18 7.00 4.00 4.00 6.00 31 30 40 42 60 28 31 33 19 23 37 29 13 21 36 13 39 27 25 15 ~ 22.77 60.00 30.00
7 7.00 14 12 20 25 ~ ~ 4.00 12 19 41 28 7.00 13 4.00 18 22 33 33 30 20 16 20 20 17 18 25 16 31 32 33 20.34 41.00 29.00
8 20 31 39 ~ 63 23 33 37 40 20 9.00 12 34 30 15 19 13 11 18 11 23 16 19 27 18 18 12 6.00 12 17 41 22.90 63.00 30.00
9 6.00 9.00 25 27 23 19 28 4.00 17 19 7.00 10 44 41 20 28 53 34 28 30 34 25 24 41 40 48 77 46 55 53 ~ 30.50 77.00 30.00
10 84 91 86 53 62 45 32 107 78 89 49 75 89 105 132 135 22 66 99 74 64 65 77 58 73 45 21 26 60 54 59 70.16 135.00 31.00
11 23 37 47 64 54 65 62 53 ~ ~ 113 89 79 50 116 98 42 81 58 61 91 111 29 39 69 64 69 ~ 109 45 ~ 67.33 116.00 27.00
12 16 19 56 55 11 53 22 16 ~ 116 100 25 ~ 66 ~ ~ 50 54 ~ ~ 37 45 27 4.00 4.00 4.00 24 33 34 17 19 36.28 116.00 25.00

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. 44 29 12 0 0 0 0 0 85 41 12 0 0 0 0 0 99
REL. 51.7 34.1 14.1 0.0 0.0 0.0 0.0 0.0 100.0 48.2 14.1 0.0 0.0 0.0 0.0 0.026.1
ID 51 34 14 0 0 0 0 0 100
ABS. 56 13 0 0 0 0 0 0 69 13 0 0 0 0 0 0 62
REL. 81.1 18.8 0.0 0.0 0.0 0.0 0.0 0.0 100.0 18.8 0.0 0.0 0.0 0.0 0.0 0.0 2.4
ID 81 18 0 0 0 0 0 0 100
ABS. 70 18 1 0 0 0 0 0 89 19 1 0 0 0 0 0 77
REL. 78.6 20.2 1.1 0.0 0.0 0.0 0.0 0.0100.0 21.3 1.1 0.0 0.0 0.0 0.0 0.0 27.9
ID 78 20 1 0 0 0 0 0 100
ABS. 20 35 19 9 0 0 0 0 83 63 28 9 0 0 0 0 135
REL 24.0 42.1 22.8 10.8 0.0 0.0 0.0 0.0100.0 75.9 33.7 10.8 0.0 0.0 0.0 0.016.10
ID 24 42 22 21 0 0 0 0 110
Year
ABS. 190 95 32 9 0 0 0 0 326 136 41 9 0 0 0 0 135
REL. 58.2 29.1 9.8 2.7 0.0 0.0 0.0 0.0100.0 41.7 12.6 2.8 0.0 0.0 0.0 0.016.10
ID 58 29 9 5 0 0 0 0 102

Note:

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