Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1016 - Liberec-mesto
Code:CZLBCMLIM
Institution:Czech Hydrometeorological Institute
Region:Liberecky
District:Liberec
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 17 13 97 215 228 102 43 38 60 50 49 59 86 142 32 38 52 45 48 39 66 40 39 35 38 29 21 25 61 60 66 62.31 228.02 31.00
2 46 27 17 42 38 48 39 41 22 18 26 16 27 39 130 45 29 37 25 33 21 29 16 19 45 28 28 25 ~ ~ ~ 34.14 130.31 28.00
3 55 25 22 75 76 48 14 38 29 25 32 38 54 16 31 25 22 34 27 32 45 14 11 10 18 15 43 74 88 64 48 37.04 88.30 31.00
4 59 95 57 42 23 10 54 72 54 40 19 18 28 16 40 59 62 29 ~ ~ ~ ~ 23 26 31 26 12 19 22 24 ~ 36.97 95.10 26.00
5 22 35 37 19 13 22 21 13 16 16 28 17 27 26 25 26 18 16 11 35 24 20 23 21 16 21 25 20 19 29 19 21.89 36.54 31.00
6 11 24 36 27 13 18 26 15 18 16 26 23 17 32 22 24 35 29 23 19 19 16 13 33 24 21 19 12 12 22 ~ 21.45 36.48 30.00
7 29 29 25 17 18 9 22 44 22 14 26 25 20 7.19 11 19 31 15 11 17 15 13 26 23 22 36 20 37 44 32 35 23.09 43.64 31.00
8 25 21 21 13 32 16 14 44 31 11 15 20 8.54 10 15 21 29 44 45 37 40 112 115 86 39 55 27 37 53 50 20 35.71 114.99 31.00
9 27 36 32 44 26 40 38 51 86 49 19 34 48 14 12 28 32 46 55 61 28 26 18 15 25 38 14 31 65 100 ~ 37.93 100.43 30.00
10 97 ~ ~ 50 22 20 37 25 53 60 28 16 25 40 33 37 31 28 37 33 29 46 27 67 28 11 13 9 30 47 58 35.76 97.10 29.00
11 65 31 19 37 29 31 36 104 18 46 55 58 34 49 78 20 58 93 33 38 33 58 50 18 33 57 50 34 58 36 ~ 45.32 103.64 30.00
12 29 36 48 38 35 29 28 44 118 70 104 31 38 33 21 38 58 30 84 54 92 42 37 16 16 18 29 25 65 44 37 44.70 117.89 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. 40 39 6 3 0 2 0 0 90 50 11 5 2 2 0 0 228
REL. 44.4 43.3 6.6 3.3 0.0 2.2 0.0 0.0 100.0 55.6 12.2 5.6 2.2 2.2 0.0 0.05.1
ID 44 43 6 6 0 55 0 0 156
ABS. 71 14 2 0 0 0 0 0 87 16 2 0 0 0 0 0 95
REL. 81.6 16.0 2.2 0.0 0.0 0.0 0.0 0.0 100.0 18.4 2.3 0.0 0.0 0.0 0.0 0.0 2.4
ID 81 16 2 0 0 0 0 0 100
ABS. 59 28 2 3 0 0 0 0 92 33 5 3 0 0 0 0 115
REL. 64.1 30.4 2.1 3.2 0.0 0.0 0.0 0.0100.0 35.9 5.4 3.3 0.0 0.0 0.0 0.0 23.8
ID 64 30 2 6 0 0 0 0 103
ABS. 38 42 7 3 0 0 0 0 90 52 10 3 0 0 0 0 118
REL 42.2 46.6 7.7 3.3 0.0 0.0 0.0 0.0100.0 57.8 11.1 3.3 0.0 0.0 0.0 0.0 9.12
ID 42 46 7 6 0 0 0 0 103
Year
ABS. 208 123 17 9 0 2 0 0 359 151 28 11 2 2 0 0 228
REL. 57.9 34.2 4.7 2.5 0.0 0.5 0.0 0.0100.0 42.1 7.8 3.1 0.6 0.6 0.0 0.0 5.1
ID 57 34 4 5 0 13 0 0 115

Note:

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