Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1457 - Usti n.L.-KHS, Pasteurova
Code:CZULHSUKP
Institution:Public Health Service
Region:Ustecky
District:Usti nad Labem
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 66 72 84 91 85 86 84 106 88 105 91 60 48 72 122 91 31 48 50 33 20 30 39 50 73 109 33 79 51 44 26 66.68 122.00 31.00
2 25 27 28 73 213 157 116 75 57 45 98 159 57 50 155 147 27 30 28 11 14 14 18 32 70 112 63 53 ~ ~ ~ 69.79 213.00 28.00
3 101 90 46 59 31 49 49 35 72 36 71 48 24 33 72 92 30 51 17 21 31 43 46 36 21 16 18 27 26 65 50 45.35 101.00 31.00
4 66 74 69 45 38 72 29 25 32 53 31 11 10 17 33 31 20 28 33 19 9.00 14 50 60 29 41 33 28 51 39 ~ 36.33 74.00 30.00
5 26 23 21 21 10 9.00 15 15 23 30 16 14 27 25 35 21 31 19 13 21 20 20 26 37 18 23 15 22 11 18 18 20.74 37.00 31.00
6 22 18 12 15 31 61 35 26 16 16 28 30 28 34 24 18 35 19 18 21 30 15 7.00 20 26 28 29 29 16 11 ~ 23.93 61.00 30.00
7 7.00 23 17 16 15 10 9.00 20 28 33 34 22 27 28 9.00 15 17 26 23 20 16 24 26 27 24 26 21 ~ ~ 24 25 21.10 34.00 29.00
8 12 25 31 19 22 30 34 37 30 22 18 35 54 39 28 22 18 19 37 21 18 21 30 40 37 43 23 11 25 36 65 29.10 65.00 31.00
9 21 32 43 42 19 38 27 8.00 10 17 20 38 ~ 40 50 33 35 52 27 39 43 40 43 58 32 31 83 30 51 50 ~ 36.28 83.00 29.00
10 58 83 55 52 63 59 43 76 76 81 73 84 80 99 88 102 68 57 81 37 66 69 39 58 105 34 29 74 44 98 83 68.19 105.00 31.00
11 12 35 51 50 54 64 37 33 23 60 87 90 74 107 148 107 65 52 64 109 89 27 11 46 73 97 78 123 64 30 ~ 65.33 148.00 30.00
12 24 29 47 58 114 58 26 22 86 120 58 19 28 67 43 17 32 40 35 24 38 33 58 32 43 31 31 59 30 15 18 43.06 120.00 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. 29 28 21 8 3 1 0 0 90 61 33 12 4 1 0 0 213
REL. 32.2 31.1 23.3 8.8 3.3 1.1 0.0 0.0 100.0 67.8 36.7 13.3 4.4 1.1 0.0 0.05.2
ID 32 31 23 17 16 27 0 0 148
ABS. 73 15 3 0 0 0 0 0 91 18 3 0 0 0 0 0 74
REL. 80.2 16.4 3.2 0.0 0.0 0.0 0.0 0.0 100.0 19.8 3.3 0.0 0.0 0.0 0.0 0.0 2.4
ID 80 16 3 0 0 0 0 0 100
ABS. 61 27 1 0 0 0 0 0 89 28 1 0 0 0 0 0 83
REL. 68.5 30.3 1.1 0.0 0.0 0.0 0.0 0.0100.0 31.5 1.1 0.0 0.0 0.0 0.0 0.0 27.9
ID 68 30 1 0 0 0 0 0 100
ABS. 23 36 24 9 0 0 0 0 92 69 33 9 0 0 0 0 148
REL 25.0 39.1 26.0 9.7 0.0 0.0 0.0 0.0100.0 75.0 35.9 9.8 0.0 0.0 0.0 0.015.11
ID 25 39 26 19 0 0 0 0 109
Year
ABS. 186 106 49 17 3 1 0 0 362 176 70 21 4 1 0 0 213
REL. 51.3 29.2 13.5 4.6 0.8 0.2 0.0 0.0100.0 48.6 19.3 5.8 1.1 0.3 0.0 0.0 5.2
ID 51 29 13 9 4 6 0 0 114

Note:

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