Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 929 - Litvinov
Code:CZMOHSLIT
Institution:Public Health Service
Region:Ustecky
District:Most
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 58 55 68 71 118 77 60 56 52 79 68 28 42 81 83 84 34 41 72 38 30 40 45 48 73 68 46 39 39 37 24 56.58 118.00 31.00
2 22 27 61 94 109 77 121 155 117 28 85 120 32 24 100 131 54 13 20 17 19 13 13 12 ~ ~ 51 42 ~ ~ ~ 59.88 155.00 26.00
3 78 61 38 45 28 40 55 47 91 58 40 50 26 19 37 84 80 51 28 17 40 57 52 50 47 15 27 26 31 44 31 44.94 91.00 31.00
4 44 60 50 38 20 45 25 14 17 55 27 15 11 10 27 13 15 33 20 38 9.00 8.00 21 36 38 25 32 22 26 30 ~ 27.47 60.00 30.00
5 30 19 28 19 11 8.00 11 16 27 31 11 8.00 17 32 46 26 34 16 12 14 19 13 30 35 15 22 13 22 17 15 23 20.65 46.00 31.00
6 13 23 8.00 9.00 19 50 23 28 17 20 14 19 34 36 36 16 24 15 12 13 31 15 9.00 12 13 14 42 18 18 20 ~ 20.70 50.00 30.00
7 11 19 23 23 22 22 18 13 16 25 28 24 27 40 9.00 13 12 36 28 24 14 19 17 21 13 13 23 23 29 19 29 21.06 40.00 31.00
8 15 32 53 19 15 26 30 32 28 25 16 24 51 43 36 37 20 22 28 38 17 19 28 49 35 40 37 20 20 33 55 30.42 55.00 31.00
9 1.00 17 34 31 18 18 21 15 9.00 15 18 20 6.00 1.00 9.00 18 28 3.00 1.00 1.00 17 25 35 35 21 32 58 32 47 40 ~ 20.87 58.00 30.00
10 54 31 34 45 70 53 49 52 45 51 35 62 59 79 87 66 69 46 44 50 32 28 70 50 81 45 51 48 24 22 79 51.97 87.00 31.00
11 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
12 22 31 41 32 88 52 26 27 41 62 37 28 41 67 56 30 16 20 23 23 31 18 27 26 22 19 16 24 14 15 20 32.10 88.00 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. 25 37 19 6 1 0 0 0 88 63 26 7 1 0 0 0 155
REL. 28.4 42.0 21.5 6.8 1.1 0.0 0.0 0.0 100.0 71.6 29.5 8.0 1.1 0.0 0.0 0.08.2
ID 28 42 21 13 5 0 0 0 111
ABS. 74 17 0 0 0 0 0 0 91 17 0 0 0 0 0 0 60
REL. 81.3 18.6 0.0 0.0 0.0 0.0 0.0 0.0 100.0 18.7 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. 73 19 0 0 0 0 0 0 92 19 0 0 0 0 0 0 58
REL. 79.3 20.6 0.0 0.0 0.0 0.0 0.0 0.0100.0 20.7 0.0 0.0 0.0 0.0 0.0 0.0 27.9
ID 79 20 0 0 0 0 0 0 100
ABS. 27 26 9 0 0 0 0 0 62 35 9 0 0 0 0 0 88
REL 43.5 41.9 14.5 0.0 0.0 0.0 0.0 0.0100.0 56.5 14.5 0.0 0.0 0.0 0.0 0.0 5.12
ID 43 41 14 0 0 0 0 0 100
Year
ABS. 199 99 28 6 1 0 0 0 333 134 35 7 1 0 0 0 155
REL. 59.7 29.7 8.4 1.8 0.3 0.0 0.0 0.0100.0 40.2 10.5 2.1 0.3 0.0 0.0 0.0 8.2
ID 59 29 8 3 1 0 0 0 103

Note:

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