Detailed overview of ambient air pollution valuis from individual stations

1012 - Usti n.L.-mesto

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1012 - Usti n.L.-mesto
Code:CZULCMUNM
Institution:CHMI
Region:Severocesky
District:Usti nad Labem
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 79 158 90 56 47 91 99 106 105 103 92 59 123 202 214 253 232 202 145 134 98 63 94 187 124 39 117 148 77 71 41 117.59 252.93 31.00
2 46 71 158 144 120 144 144 147 178 176 69 128 43 78 43 26 56 90 54 116 87 89 134 104 35 39 43 117 ~ ~ ~ 95.58 177.85 28.00
3 99 61 61 96 113 81 91 89 79 136 134 123 84 62 37 25 55 54 77 47 71 37 31 56 68 104 73 24 19 19 41 69.25 135.80 31.00
4 93 78 60 ~ 32 20 58 48 101 54 29 19 51 43 27 31 66 48 21 33 61 53 50 76 48 60 55 46 46 46 ~ 50.11 101.07 29.00
5 53 70 45 86 71 37 37 29 30 ~ ~ 36 44 57 36 44 30 36 43 46 49 47 37 20 27 43 29 47 29 24 18 41.20 86.15 29.00
6 33 56 50 56 34 37 40 44 39 44 48 70 40 39 24 35 42 44 36 53 30 29 35 46 42 45 44 25 24 39 ~ 40.75 70.36 30.00
7 46 34 41 36 13 10 19 33 33 42 41 34 28 44 ~ 41 39 28 14 23 ~ 35 43 39 53 26 41 37 39 43 54 34.75 54.13 29.00
8 37 26 ~ 67 47 37 35 35 27 33 43 48 60 53 39 25 31 47 47 61 59 55 64 59 57 55 57 42 46 36 45 45.82 67.01 30.00
9 58 59 43 55 61 45 36 35 27 37 52 75 37 48 70 82 112 94 49 41 51 82 71 63 77 89 36 63 120 55 ~ 60.83 119.51 30.00
10 55 24 52 52 57 120 114 107 79 60 40 36 56 61 74 64 122 108 126 108 89 124 79 39 28 44 94 87 149 162 146 82.49 161.63 31.00
11 110 84 63 72 97 193 366 167 85 174 140 107 52 66 83 29 52 35 78 168 120 86 92 95 69 92 93 94 105 79 ~ 104.91 365.92 30.00
12 71 58 63 44 72 69 84 85 105 119 154 124 33 37 33 56 42 46 88 100 92 161 119 102 57 27 53 96 96 113 134 81.61 161.07 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. 6 24 26 24 5 5 0 0 90 84 60 34 10 5 0 0 253
REL. 6.6 26.6 28.8 26.6 5.5 5.5 0.0 0.0 100.0 93.3 66.7 37.8 11.1 5.6 0.0 0.016.1
ID 6 26 28 53 27 138 0 0 282
ABS. 22 58 7 1 0 0 0 0 88 66 8 1 0 0 0 0 101
REL. 25.0 65.9 7.9 1.1 0.0 0.0 0.0 0.0 100.0 75.0 9.1 1.1 0.0 0.0 0.0 0.0 9.4
ID 25 65 7 2 0 0 0 0 101
ABS. 16 62 9 2 0 0 0 0 89 73 11 2 0 0 0 0 120
REL. 17.9 69.6 10.1 2.2 0.0 0.0 0.0 0.0100.0 82.0 12.4 2.2 0.0 0.0 0.0 0.0 29.9
ID 17 69 10 4 0 0 0 0 102
ABS. 6 26 29 23 7 0 1 0 92 86 60 31 8 1 1 0 366
REL 6.5 28.2 31.5 25.0 7.6 0.0 1.0 0.0100.0 93.5 65.2 33.7 8.7 1.1 1.1 0.0 7.11
ID 6 28 31 50 38 0 135 0 290
Year
ABS. 50 170 71 50 12 5 1 0 359 309 139 68 18 6 1 0 366
REL. 13.9 47.3 19.7 13.9 3.3 1.3 0.2 0.0100.0 86.1 38.7 18.9 5.0 1.7 0.3 0.0 7.11
ID 13 47 19 27 16 34 34 0 195

Note:

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

Detailed overview of ambient air pollution valuis from individual stations - selection station