Detailed overview of ambient air pollution valuis from individual stations

1016 - Liberec-mesto

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1016 - Liberec-mesto
Code:CZLBCMLIM
Institution:CHMI
Region:Severocesky
District:Liberec
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 166 277 106 51 34 71 168 47 49 83 68 44 53 88 81 105 72 41 41 109 75 37 53 138 56 30 60 56 42 37 32 76.44 277.35 31.00
2 43 45 62 58 64 65 50 127 66 54 33 98 29 72 33 26 45 41 49 71 31 93 39 40 27 21 27 48 ~ ~ ~ 52.07 127.45 28.00
3 47 36 80 108 73 54 88 90 95 105 117 102 65 43 23 13 27 31 52 25 44 24 21 40 55 54 37 13 16 14 55 53.17 117.38 31.00
4 110 102 37 18 24 14 51 41 76 40 20 21 29 54 21 20 39 35 17 50 66 41 39 43 35 36 30 37 35 28 ~ 40.34 110.02 30.00
5 64 61 41 37 28 25 32 18 19 25 32 28 58 68 57 52 32 32 43 34 34 29 25 20 35 30 25 26 22 18 11 34.30 67.53 31.00
6 36 53 50 51 35 81 33 32 47 62 48 48 34 28 18 21 40 26 34 37 25 26 32 30 41 38 44 28 17 33 ~ 37.58 80.65 30.00
7 39 41 46 28 16 14 23 25 54 46 40 35 40 52 35 45 44 23 11 19 26 49 52 42 32 17 23 43 36 38 34 34.49 54.43 31.00
8 33 31 58 61 53 46 61 59 41 62 82 84 73 65 26 27 48 69 62 71 58 60 48 58 61 62 77 41 33 39 74 55.57 84.03 31.00
9 72 69 61 43 49 35 25 28 20 25 32 43 36 66 62 37 91 88 46 51 79 112 63 81 125 99 64 84 78 39 ~ 60.06 125.02 30.00
10 48 17 32 53 76 53 52 49 35 34 19 26 50 40 62 72 56 34 36 40 76 74 ~ ~ 19 26 73 120 128 195 145 59.93 194.71 29.00
11 54 51 43 ~ 39 42 158 53 32 53 55 42 52 35 53 25 33 33 69 66 107 76 116 72 ~ ~ ~ ~ ~ 54 ~ 58.83 157.60 24.00
12 51 41 40 24 73 73 48 68 69 51 94 75 21 68 27 73 26 29 40 34 80 216 92 42 30 16 38 42 58 53 41 55.96 215.97 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. 19 43 16 9 2 1 0 0 90 71 28 12 3 1 0 0 277
REL. 21.1 47.7 17.7 10.0 2.2 1.1 0.0 0.0 100.0 78.9 31.1 13.3 3.3 1.1 0.0 0.02.1
ID 21 47 17 20 11 27 0 0 145
ABS. 43 43 3 2 0 0 0 0 91 48 5 2 0 0 0 0 110
REL. 47.2 47.2 3.2 2.1 0.0 0.0 0.0 0.0 100.0 52.7 5.5 2.2 0.0 0.0 0.0 0.0 1.4
ID 47 47 3 4 0 0 0 0 102
ABS. 22 52 16 2 0 0 0 0 92 70 18 2 0 0 0 0 125
REL. 23.9 56.5 17.3 2.1 0.0 0.0 0.0 0.0100.0 76.1 19.6 2.2 0.0 0.0 0.0 0.0 25.9
ID 23 56 17 4 0 0 0 0 102
ABS. 17 41 18 5 2 1 0 0 84 67 26 8 3 1 0 0 216
REL 20.2 48.8 21.4 5.9 2.3 1.1 0.0 0.0100.0 79.8 31.0 9.5 3.6 1.2 0.0 0.022.12
ID 20 48 21 11 11 29 0 0 144
Year
ABS. 101 179 53 18 4 2 0 0 357 256 77 24 6 2 0 0 277
REL. 28.2 50.1 14.8 5.0 1.1 0.5 0.0 0.0100.0 71.7 21.6 6.7 1.7 0.6 0.0 0.0 2.1
ID 28 50 14 10 5 14 0 0 122

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