Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1117 - Usti n.Orl.-Podmesti
Code:CZUOHSUOP
Institution:Public Health Service
Region:Pardubicky
District:Usti nad Orlici
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 31 26 87 54 35 36 62 74 55 72 70 42 30 70 120 91 44 51 55 26 26 30 33 28 35 94 29 80 114 42 30 54.03 119.83 31.00
2 30 53 31 76 43 91 124 124 33 75 66 ~ ~ 80 125 166 46 19 34 28 25 22 28 43 59 67 45 24 ~ ~ ~ 59.88 165.68 26.00
3 40 69 37 37 34 72 51 36 80 40 48 39 37 41 49 42 27 34 22 33 36 54 43 40 24 26 20 21 26 50 45 40.41 80.02 31.00
4 49 69 69 33 37 46 25 20 35 41 39 24 22 15 15 24 33 32 36 29 21 20 41 50 40 31 36 23 42 24 ~ 33.98 69.02 30.00
5 27 33 35 27 13 12 14 20 32 33 22 14 23 26 24 31 24 24 21 28 25 23 37 35 27 19 15 23 19 25 29 24.47 36.62 31.00
6 19 13 13 25 34 32 33 24 12 17 32 28 30 37 29 18 16 18 30 32 27 23 18 31 34 33 35 27 25 19 ~ 25.55 37.35 30.00
7 21 21 22 33 20 19 13 16 23 29 29 32 29 22 23 25 26 21 28 25 15 21 31 26 22 27 28 20 19 27 28 23.90 33.34 31.00
8 25 36 24 17 22 30 30 30 28 28 17 24 30 35 44 39 31 27 28 28 22 27 29 36 26 28 ~ 25 32 39 27 28.89 43.67 30.00
9 20 22 41 31 30 30 31 14 12 19 26 34 41 35 25 27 32 38 31 35 52 27 24 40 36 28 45 26 34 30 ~ 30.56 51.94 30.00
10 28 35 27 32 42 48 36 46 63 78 45 75 54 54 72 46 36 50 57 23 32 36 39 48 51 46 28 33 48 77 106 48.18 106.43 31.00
11 24 70 69 54 64 66 28 32 41 79 46 74 48 74 93 75 32 27 74 58 66 41 31 23 36 88 62 ~ 110 75 ~ 57.26 110.46 29.00
12 41 31 46 53 75 66 60 101 128 102 90 43 62 141 62 60 107 46 42 64 80 60 50 74 17 29 28 33 24 18 ~ 61.09 140.61 30.00

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. 27 39 16 5 1 0 0 0 88 61 22 6 1 0 0 0 166
REL. 30.6 44.3 18.1 5.6 1.1 0.0 0.0 0.0 100.0 69.3 25.0 6.8 1.1 0.0 0.0 0.016.2
ID 30 44 18 11 5 0 0 0 110
ABS. 69 20 2 0 0 0 0 0 91 22 2 0 0 0 0 0 69
REL. 75.8 21.9 2.1 0.0 0.0 0.0 0.0 0.0 100.0 24.2 2.2 0.0 0.0 0.0 0.0 0.0 2.4
ID 75 21 2 0 0 0 0 0 100
ABS. 73 18 0 0 0 0 0 0 91 18 0 0 0 0 0 0 52
REL. 80.2 19.7 0.0 0.0 0.0 0.0 0.0 0.0100.0 19.8 0.0 0.0 0.0 0.0 0.0 0.0 21.9
ID 80 19 0 0 0 0 0 0 100
ABS. 21 44 18 7 0 0 0 0 90 69 25 7 0 0 0 0 141
REL 23.3 48.8 20.0 7.7 0.0 0.0 0.0 0.0100.0 76.7 27.8 7.8 0.0 0.0 0.0 0.014.12
ID 23 48 20 15 0 0 0 0 107
Year
ABS. 190 121 36 12 1 0 0 0 360 170 49 13 1 0 0 0 166
REL. 52.7 33.6 10.0 3.3 0.2 0.0 0.0 0.0100.0 47.2 13.6 3.6 0.3 0.0 0.0 0.0 16.2
ID 52 33 10 6 1 0 0 0 104

Note:

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