Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
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 27 23 63 161 162 209 125 77 63 65 53 69 56 74 46 43 62 63 49 23 52 137 58 36 49 25 32 63 26 82 139 71.42 208.64 31.00
2 102 68 27 87 51 52 75 38 59 17 20 19 40 51 110 82 56 46 28 25 28 29 17 22 56 43 31 36 ~ ~ ~ 47.01 110.46 28.00
3 89 25 23 80 96 63 22 66 36 55 70 91 88 59 32 35 53 75 36 43 49 19 17 17 25 25 30 49 76 51 41 49.52 95.50 31.00
4 66 79 72 62 42 22 48 70 68 50 29 24 33 27 40 53 47 47 38 24 22 42 35 40 46 31 19 18 33 50 ~ 42.57 79.12 30.00
5 37 38 26 16 24 31 31 34 30 24 22 22 33 32 31 57 29 20 18 28 31 23 32 27 19 24 31 31 25 25 24 28.29 56.94 31.00
6 15 29 27 33 21 24 26 17 20 24 28 30 23 30 18 20 28 34 36 28 20 23 19 31 36 ~ 35 34 22 28 ~ 26.15 35.84 29.00
7 31 26 32 25 23 20 29 40 41 29 30 35 ~ ~ ~ 28 34 26 29 25 21 31 33 28 32 30 29 40 42 38 30 30.63 42.35 28.00
8 31 33 22 19 33 37 29 39 32 21 23 26 23 24 31 27 27 43 45 52 24 15 17 13 13 26 22 17 18 20 15 26.38 52.30 31.00
9 9 15 24 21 17 16 13 18 26 19 16 18 20 13 9 16 50 55 75 65 47 52 58 25 40 47 31 43 70 78 ~ 33.67 78.07 30.00
10 75 94 96 48 27 26 32 36 45 40 33 27 38 52 64 41 50 33 35 62 49 65 48 83 67 18 23 21 60 54 70 48.85 96.16 31.00
11 66 28 35 55 48 83 65 116 24 61 70 130 42 62 105 21 69 139 59 64 84 51 44 25 35 75 79 43 70 51 ~ 63.30 138.56 30.00
12 46 40 87 56 51 31 36 38 81 109 115 47 54 96 41 44 67 56 132 95 101 66 94 35 30 27 29 43 86 66 37 62.39 131.66 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. 27 39 16 5 2 1 0 0 90 63 24 8 3 1 0 0 209
REL. 30.0 43.3 17.7 5.5 2.2 1.1 0.0 0.0 100.0 70.0 26.7 8.9 3.3 1.1 0.0 0.06.1
ID 30 43 17 11 11 27 0 0 141
ABS. 61 25 4 0 0 0 0 0 90 29 4 0 0 0 0 0 79
REL. 67.7 27.7 4.4 0.0 0.0 0.0 0.0 0.0 100.0 32.2 4.4 0.0 0.0 0.0 0.0 0.0 2.4
ID 67 27 4 0 0 0 0 0 100
ABS. 65 21 3 0 0 0 0 0 89 24 3 0 0 0 0 0 78
REL. 73.0 23.5 3.3 0.0 0.0 0.0 0.0 0.0100.0 27.0 3.4 0.0 0.0 0.0 0.0 0.0 30.9
ID 73 23 3 0 0 0 0 0 100
ABS. 16 48 20 8 0 0 0 0 92 76 28 8 0 0 0 0 139
REL 17.3 52.1 21.7 8.6 0.0 0.0 0.0 0.0100.0 82.6 30.4 8.7 0.0 0.0 0.0 0.018.11
ID 17 52 21 17 0 0 0 0 108
Year
ABS. 169 133 43 13 2 1 0 0 361 192 59 16 3 1 0 0 209
REL. 46.8 36.8 11.9 3.6 0.5 0.2 0.0 0.0100.0 53.2 16.3 4.4 0.8 0.3 0.0 0.0 6.1
ID 46 36 11 7 2 6 0 0 112

Note:

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