Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
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 12 16 47 142 211 150 117 73 106 108 94 90 51 70 40 51 61 72 113 25 73 69 124 51 67 28 29 36 39 83 103 75.84 211.00 31.00
2 117 97 89 135 143 59 38 36 24 20 35 12 27 37 103 50 78 56 33 32 27 46 15 16 60 63 30 56 ~ ~ ~ 54.79 143.00 28.00
3 47 33 22 58 103 76 11 58 69 61 109 101 77 14 29 28 27 82 32 23 21 10 7.00 8.00 16 15 43 55 70 53 34 44.90 109.00 31.00
4 52 34 20 26 19 9.00 21 33 28 17 16 17 18 17 51 43 53 49 29 11 11 39 22 19 40 22 14 37 42 28 ~ 27.90 53.00 30.00
5 15 15 15 12 25 23 15 9.00 12 17 24 17 20 27 26 32 22 11 15 18 19 18 16 17 14 15 18 20 10 13 13 17.52 32.00 31.00
6 ~ 17 22 20 8.00 12 17 13 16 13 18 30 22 20 31 23 28 29 22 22 23 25 20 22 24 27 27 10 11 25 ~ 20.59 31.00 29.00
7 23 29 19 18 17 12 23 24 21 16 25 19 14 11 14 23 36 18 13 10 11 17 15 8.00 14 18 11 15 9.00 9.00 11 16.87 36.00 31.00
8 13 9.00 12 11 20 29 7.00 14 9.00 8.00 4.00 16 6.00 6.00 21 17 19 22 34 31 27 21 30 24 18 33 23 33 30 40 22 19.65 40.00 31.00
9 19 24 29 39 44 32 34 42 44 24 14 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 9.00 32 44 19 34 41 63 ~ 32.61 63.00 18.00
10 67 74 99 36 15 10 22 24 24 25 16 13 17 65 78 96 25 40 37 48 57 115 58 62 42 11 15 13 33 53 51 43.26 115.00 31.00
11 74 59 23 28 21 41 51 66 28 58 80 101 116 65 114 146 74 115 28 39 46 76 78 37 125 126 67 40 49 39 ~ 67.00 146.00 30.00
12 35 47 47 51 28 20 22 21 69 130 183 66 45 40 30 70 115 39 70 90 123 70 37 23 20 19 33 42 178 67 30 60.00 183.00 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. 30 27 17 15 0 1 0 0 90 60 33 16 1 1 0 0 211
REL. 33.3 30.0 18.8 16.6 0.0 1.1 0.0 0.0 100.0 66.7 36.7 17.8 1.1 1.1 0.0 0.05.1
ID 33 30 18 33 0 27 0 0 143
ABS. 80 10 0 0 0 0 0 0 90 10 0 0 0 0 0 0 53
REL. 88.8 11.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 11.1 0.0 0.0 0.0 0.0 0.0 0.0 17.4
ID 88 11 0 0 0 0 0 0 100
ABS. 68 12 0 0 0 0 0 0 80 12 0 0 0 0 0 0 63
REL. 85.0 15.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 15.0 0.0 0.0 0.0 0.0 0.0 0.0 30.9
ID 85 15 0 0 0 0 0 0 100
ABS. 29 33 17 11 2 0 0 0 92 63 30 13 2 0 0 0 183
REL 31.5 35.8 18.4 11.9 2.1 0.0 0.0 0.0100.0 68.5 32.6 14.1 2.2 0.0 0.0 0.011.12
ID 31 35 18 23 10 0 0 0 120
Year
ABS. 207 82 34 26 2 1 0 0 352 145 63 29 3 1 0 0 211
REL. 58.8 23.2 9.6 7.3 0.5 0.2 0.0 0.0100.0 41.2 17.9 8.2 0.9 0.3 0.0 0.0 5.1
ID 58 23 9 14 2 7 0 0 116

Note:

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