Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 394 - Usti n.L.-Moskevska
Code:CZULHSUMO
Institution:Public Health Service
Region:Severocesky
District:Usti nad Labem
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 108 70 61 19 26 42 132 34 41 119 109 82 124 103 121 141 44 56 65 54 39 24 24 34 22 58 154 171 105 79 34 74.03 171.00 31.00
2 56 ~ ~ ~ ~ ~ ~ ~ ~ 196 220 30 36 34 35 62 34 82 63 65 85 75 49 102 84 114 55 18 ~ ~ ~ 74.75 220.00 20.00
3 20 53 56 42 26 56 43 15 43 52 57 66 39 20 37 65 55 41 29 22 15 14 43 55 76 81 105 52 48 64 117 48.61 117.00 31.00
4 127 78 57 40 34 75 46 42 65 43 32 10 27 47 41 52 40 17 31 68 65 56 50 59 25 25 30 29 21 28 ~ 45.33 127.00 30.00
5 16 23 27 20 48 55 56 31 28 35 44 37 16 29 27 15 22 38 44 32 31 15 17 32 38 47 44 39 27 19 32 31.74 56.00 31.00
6 41 36 54 40 31 24 21 40 47 35 29 22 18 22 52 33 34 34 49 28 28 32 28 48 30 26 28 25 38 32 ~ 33.50 54.00 30.00
7 41 35 34 12 12 17 36 32 38 51 23 33 27 29 47 40 31 20 25 47 34 35 33 23 13 19 42 37 33 28 28 30.81 51.00 31.00
8 18 15 32 35 24 37 46 34 19 47 62 48 40 39 36 34 52 36 38 58 44 15 24 27 37 45 42 34 27 26 45 36.00 62.00 31.00
9 39 49 48 28 18 28 52 68 34 45 40 27 29 37 57 66 58 53 30 36 39 53 28 85 103 89 94 110 113 53 ~ 53.63 113.00 30.00
10 46 29 25 24 29 48 133 56 75 29 47 83 88 166 96 75 58 30 110 90 120 140 120 50 36 62 42 20 40 32 50 66.10 166.00 31.00
11 27 104 112 55 58 52 103 142 195 252 89 133 90 64 65 89 46 51 66 52 32 170 350 250 142 137 184 202 54 65 ~ 114.37 350.00 30.00
12 42 165 144 95 41 33 40 82 282 393 111 152 69 232 449 96 372 407 145 37 63 123 112 62 67 44 80 67 136 115 27 138.16 449.00 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. 15 41 9 13 3 1 0 0 82 67 26 17 4 1 0 0 220
REL. 18.2 50.0 10.9 15.8 3.6 1.2 0.0 0.0 100.0 81.7 31.7 20.7 4.9 1.2 0.0 0.011.2
ID 18 50 10 31 18 30 0 0 159
ABS. 47 40 3 1 0 0 0 0 91 44 4 1 0 0 0 0 127
REL. 51.6 43.9 3.2 1.0 0.0 0.0 0.0 0.0 100.0 48.4 4.4 1.1 0.0 0.0 0.0 0.0 1.4
ID 51 43 3 2 0 0 0 0 101
ABS. 35 50 4 3 0 0 0 0 92 57 7 3 0 0 0 0 113
REL. 38.0 54.3 4.3 3.2 0.0 0.0 0.0 0.0100.0 62.0 7.6 3.3 0.0 0.0 0.0 0.0 29.9
ID 38 54 4 6 0 0 0 0 103
ABS. 12 29 16 19 6 5 3 2 92 80 51 35 16 10 5 2 449
REL 13.0 31.5 17.3 20.6 6.5 5.4 3.2 2.1100.0 87.0 55.4 38.0 17.4 10.9 5.4 2.215.12
ID 13 31 17 41 32 135 407 1358 2038
Year
ABS. 109 160 32 36 9 6 3 2 357 248 88 56 20 11 5 2 449
REL. 30.5 44.8 8.9 10.0 2.5 1.6 0.8 0.5100.0 69.5 24.6 15.7 5.6 3.1 1.4 0.615.12
ID 30 44 8 20 12 42 105 350 614

Note:

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