Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1117 - Usti n.Orl.-Podmesti
Code:CZUOHSUOP
Institution:Public Health Service
Region:Vychodocesky
District:Usti nad Orlici
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 54 83 64 69 82 169 75 32 26 65 111 107 37 39 42 38 42 ~ ~ 37 33 40 41 110 118 107 50 73 23 24 29 62.83 169.14 29.00
2 141 65 25 37 49 75 59 25 25 59 101 34 17 35 53 43 40 47 41 31 41 48 58 51 35 40 48 23 42 ~ ~ 47.84 140.61 29.00
3 50 34 49 19 19 37 49 25 18 29 30 25 45 52 24 30 27 24 20 41 45 62 95 69 47 44 47 49 33 27 36 38.85 95.42 31.00
4 26 42 35 42 40 20 27 25 30 32 29 30 38 48 23 29 45 42 46 39 47 31 23 16 34 40 39 26 26 27 ~ 33.15 47.71 30.00
5 31 36 44 37 37 26 22 28 40 38 38 19 17 28 38 39 32 26 29 16 26 24 31 38 25 26 16 15 24 22 28 28.90 44.50 31.00
6 31 28 23 23 26 19 24 27 32 20 16 28 31 20 22 19 15 26 31 35 35 29 28 18 20 23 23 23 34 31 ~ 25.40 35.40 30.00
7 22 26 29 23 14 20 24 14 19 25 35 30 33 21 15 16 20 30 23 30 23 20 25 33 25 34 30 27 13 23 30 24.22 34.87 31.00
8 33 24 22 24 17 16 26 30 37 33 31 22 31 38 39 37 32 30 25 32 28 23 30 33 25 22 25 29 33 37 49 29.46 48.81 31.00
9 34 14 13 24 36 38 36 40 30 42 65 59 55 47 32 19 17 37 37 29 40 35 27 43 69 65 95 54 23 15 ~ 39.01 95.01 30.00
10 14 49 75 51 62 38 21 24 47 28 24 48 35 55 16 40 66 47 58 26 40 78 121 112 81 43 51 31 24 30 33 47.36 121.06 31.00
11 64 33 25 30 54 20 33 68 123 136 56 17 33 71 88 101 40 49 43 35 38 75 35 61 50 27 48 64 87 101 ~ 56.92 136.30 30.00
12 ~ 28 29 63 36 34 30 35 37 26 109 184 51 36 23 16 27 78 87 139 78 79 27 21 32 59 42 57 110 41 30 54.83 183.93 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. 26 47 8 7 1 0 0 0 89 63 16 8 1 0 0 0 169
REL. 29.2 52.8 8.9 7.8 1.1 0.0 0.0 0.0 100.0 70.8 18.0 9.0 1.1 0.0 0.0 0.06.1
ID 29 52 8 15 5 0 0 0 112
ABS. 64 27 0 0 0 0 0 0 91 27 0 0 0 0 0 0 48
REL. 70.3 29.6 0.0 0.0 0.0 0.0 0.0 0.0 100.0 29.7 0.0 0.0 0.0 0.0 0.0 0.0 14.4
ID 70 29 0 0 0 0 0 0 100
ABS. 64 26 2 0 0 0 0 0 92 28 2 0 0 0 0 0 95
REL. 69.5 28.2 2.1 0.0 0.0 0.0 0.0 0.0100.0 30.4 2.2 0.0 0.0 0.0 0.0 0.0 27.9
ID 69 28 2 0 0 0 0 0 100
ABS. 30 39 12 9 1 0 0 0 91 61 22 10 1 0 0 0 184
REL 32.9 42.8 13.1 9.8 1.0 0.0 0.0 0.0100.0 67.0 24.2 11.0 1.1 0.0 0.0 0.012.12
ID 32 42 13 19 5 0 0 0 114
Year
ABS. 184 139 22 16 2 0 0 0 363 179 40 18 2 0 0 0 184
REL. 50.6 38.2 6.0 4.4 0.5 0.0 0.0 0.0100.0 49.3 11.0 5.0 0.6 0.0 0.0 0.012.12
ID 50 38 6 8 2 0 0 0 106

Note:

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