Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 637 - Lovosice-MU
Code:CZLTHSLOM
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 15 21 28 67 59 115 62 64 23 16 29 38 66 36 41 62 45 78 61 36 37 35 45 62 69 26 45 37 17 17 20 44.26 115.00 31.00
2 75 96 59 46 8.00 12 32 52 98 100 ~ 5.00 4.00 17 53 35 18 35 86 58 41 35 26 32 48 72 71 63 ~ ~ ~ 47.30 100.00 27.00
3 47 65 67 68 85 64 55 60 80 70 44 55 27 26 34 21 58 67 37 21 28 46 36 72 63 57 24 10 24 11 50 47.48 85.00 31.00
4 66 39 52 45 40 49 15 27 38 17 10 29 26 26 39 8.00 9.00 38 4.00 34 34 30 25 18 24 4.00 4.00 15 34 35 ~ 27.80 66.00 30.00
5 27 20 29 16 16 20 18 31 37 47 31 31 24 33 6.00 8.00 30 18 22 16 23 21 20 38 41 27 33 38 24 28 34 26.03 47.00 31.00
6 39 41 55 42 33 21 37 50 55 36 28 23 18 25 25 24 43 43 35 37 38 21 24 57 38 24 22 45 49 52 ~ 36.00 57.00 30.00
7 41 46 30 24 18 18 31 33 19 11 10 29 44 39 40 28 26 28 37 45 40 43 27 ~ ~ 30 27 24 29 ~ ~ 30.26 46.00 27.00
8 ~ 124 72 40 63 43 34 33 54 49 36 41 54 10 25 43 45 44 40 26 13 38 44 50 52 39 24 11 16 33 55 41.70 124.00 30.00
9 26 9.00 31 17 25 42 47 44 50 49 62 36 65 55 65 49 42 28 20 22 56 59 69 56 61 37 55 64 51 43 ~ 44.50 69.00 30.00
10 44 44 34 54 57 102 51 48 26 20 41 39 85 49 47 31 25 66 58 44 28 33 30 26 58 64 38 58 77 59 43 47.71 102.00 31.00
11 ~ ~ ~ ~ 43 28 31 29 20 20 19 31 27 19 44 45 57 49 49 42 28 41 38 77 97 73 52 56 51 61 ~ 43.35 97.00 26.00
12 35 29 38 97 28 55 39 57 79 72 48 29 54 62 58 73 67 49 56 59 79 109 98 57 56 51 66 46 62 53 48 58.35 109.00 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. 28 43 17 1 0 0 0 0 89 61 18 1 0 0 0 0 115
REL. 31.4 48.3 19.1 1.1 0.0 0.0 0.0 0.0 100.0 68.5 20.2 1.1 0.0 0.0 0.0 0.06.1
ID 31 48 19 2 0 0 0 0 101
ABS. 54 37 0 0 0 0 0 0 91 37 0 0 0 0 0 0 66
REL. 59.3 40.6 0.0 0.0 0.0 0.0 0.0 0.0 100.0 40.7 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 59 40 0 0 0 0 0 0 100
ABS. 35 49 2 1 0 0 0 0 87 52 3 1 0 0 0 0 124
REL. 40.2 56.3 2.2 1.1 0.0 0.0 0.0 0.0100.0 59.8 3.4 1.1 0.0 0.0 0.0 0.0 2.8
ID 40 56 2 2 0 0 0 0 101
ABS. 21 53 12 2 0 0 0 0 88 67 14 2 0 0 0 0 109
REL 23.8 60.2 13.6 2.2 0.0 0.0 0.0 0.0100.0 76.1 15.9 2.3 0.0 0.0 0.0 0.022.12
ID 23 60 13 4 0 0 0 0 102
Year
ABS. 138 182 31 4 0 0 0 0 355 217 35 4 0 0 0 0 124
REL. 38.8 51.2 8.7 1.1 0.0 0.0 0.0 0.0100.0 61.1 9.9 1.1 0.0 0.0 0.0 0.0 2.8
ID 38 51 8 2 0 0 0 0 101

Note:

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