Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
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 17 22 23 21 18 22 58 16 26 65 42 32 37 43 152 50 41 25 31 47 23 25 32 39 41 118 128 78 99 61 45 47.63 152.14 31.00
2 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
3 ~ ~ ~ ~ ~ ~ ~ ~ ~ 51 53 50 25 19 ~ 46 64 33 19 22 16 28 86 45 60 81 54 49 41 60 85 47.01 86.24 21.00
4 61 63 50 18 34 47 33 31 45 21 26 16 38 59 27 41 51 20 21 44 42 39 59 36 32 19 18 44 27 27 ~ 36.33 63.11 30.00
5 13 17 21 22 30 44 31 26 24 36 48 40 28 24 21 21 27 43 32 32 25 19 20 26 37 31 41 23 25 18 25 27.97 48.26 31.00
6 31 27 28 38 29 13 12 22 28 23 30 26 17 23 29 22 29 34 26 21 26 27 23 30 28 26 14 17 27 31 ~ 25.28 38.21 30.00
7 19 26 26 15 14 19 30 23 24 28 19 25 21 31 34 24 28 16 25 40 28 26 21 24 15 19 23 21 24 28 28 24.02 39.60 31.00
8 20 23 22 27 28 34 34 28 23 34 42 38 31 31 28 39 38 48 34 46 30 16 27 38 41 58 33 27 30 27 34 32.61 57.89 31.00
9 39 57 38 32 17 28 32 34 27 22 31 17 27 33 25 37 32 45 28 26 46 82 69 87 101 53 40 51 52 42 ~ 41.72 100.67 30.00
10 35 34 31 31 52 39 39 ~ ~ ~ ~ ~ ~ ~ ~ ~ 23 27 43 40 ~ ~ ~ ~ ~ ~ ~ ~ 30 23 23 33.53 52.36 14.00
11 23 45 48 61 37 27 78 90 88 106 42 88 67 33 46 47 37 45 79 43 50 80 158 294 113 120 103 93 56 63 ~ 75.20 294.35 30.00
12 39 107 61 62 34 25 41 54 88 210 174 66 47 67 ~ 45 179 189 43 26 41 64 84 23 30 28 31 37 71 118 ~ 71.88 209.80 29.00

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. 21 23 5 2 1 0 0 0 521 31 8 3 1 0 0 0 152
REL. 40.3 44.2 9.6 3.8 1.9 0.0 0.0 0.0 100.0 59.6 15.4 5.8 1.9 0.0 0.0 0.015.1
ID 40 44 9 7 9 0 0 0 111
ABS. 65 26 0 0 0 0 0 0 91 26 0 0 0 0 0 0 63
REL. 71.4 28.5 0.0 0.0 0.0 0.0 0.0 0.0 100.0 28.6 0.0 0.0 0.0 0.0 0.0 0.0 2.4
ID 71 28 0 0 0 0 0 0 100
ABS. 59 29 3 1 0 0 0 0 92 33 4 1 0 0 0 0 101
REL. 64.1 31.5 3.2 1.0 0.0 0.0 0.0 0.0100.0 35.9 4.3 1.1 0.0 0.0 0.0 0.0 25.9
ID 64 31 3 2 0 0 0 0 101
ABS. 16 33 12 6 4 2 0 0 73 57 24 12 6 2 0 0 294
REL 21.9 45.2 16.4 8.2 5.4 2.7 0.0 0.0100.0 78.1 32.9 16.4 8.2 2.7 0.0 0.024.11
ID 21 45 16 16 27 68 0 0 195
Year
ABS. 161 111 20 9 5 2 0 0 308 147 36 16 7 2 0 0 294
REL. 52.2 36.0 6.4 2.9 1.6 0.6 0.0 0.0100.0 47.7 11.7 5.2 2.3 0.6 0.0 0.024.11
ID 52 36 6 5 8 16 0 0 125

Note:

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