Detailed overview of ambient air pollution valuis from individual stations

543 - Usti n.L.-Sev.terasa

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 543 - Usti n.L.-Sev.terasa
Code:CZULHSUST
Institution:Public Health Service
Region:Severocesky
District:Usti nad Labem
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ 41 27 45 48 ~ 52 61 62 52 54 55 94 171 139 96 157 112 100 75 98 49 59 135 72 22 78 69 28 46 27 73.24 171.00 29.00
2 37 56 69 66 54 35 65 89 77 57 45 46 45 40 22 47 41 99 73 76 106 63 91 75 92 52 41 65 ~ ~ ~ 61.57 106.00 28.00
3 68 29 48 66 92 53 47 43 38 110 54 35 46 ~ 43 31 96 252 69 235 32 20 44 8.00 8.00 40 23 27 21 12 20 57.00 252.00 30.00
4 38 52 45 ~ ~ 21 20 36 55 35 16 17 17 22 14 47 31 16 ~ ~ 36 9.00 17 133 17 16 9.00 30 26 22 ~ 30.65 133.00 26.00
5 23 30 21 22 51 22 11 12 37 ~ 15 35 26 33 22 21 13 13 31 29 ~ 8.00 45 19 43 36 35 42 24 16 8.00 25.62 51.00 29.00
6 8.00 14 36 44 42 25 ~ 11 8.00 33 18 23 17 35 23 6.00 9.00 19 ~ 23 19 22 45 43 ~ 35 8.00 8.00 17 21 ~ 22.67 45.00 27.00
7 8.00 8.00 22 15 8.00 14 ~ 8.00 8.00 8.00 15 17 27 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 13.17 27.00 12.00
8 ~ ~ ~ 8.00 8.00 8.00 14 61 10 15 24 24 17 27 11 13 8.00 9.00 56 24 ~ 62 83 56 20 30 33 47 35 30 47 28.89 83.00 27.00
9 53 53 34 31 52 39 25 27 19 22 45 46 29 12 56 44 21 24 17 22 18 43 28 29 32 26 30 26 49 14 ~ 32.20 56.00 30.00
10 34 31 ~ 27 24 41 45 43 34 27 41 29 24 29 37 34 29 55 34 51 15 50 37 15 16 11 26 34 79 58 16 34.20 79.00 30.00
11 32 43 17 54 87 48 42 65 36 58 74 40 47 57 55 26 15 ~ 21 32 60 50 93 54 47 107 42 42 26 35 ~ 48.45 107.00 29.00
12 39 23 62 16 18 44 32 59 46 43 40 42 18 21 20 36 19 29 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 33.72 62.00 18.00

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. 16 41 21 5 2 2 0 0 87 71 30 9 4 2 0 0 252
REL. 18.3 47.1 24.1 5.7 2.2 2.2 0.0 0.0 100.0 81.6 34.5 10.3 4.6 2.3 0.0 0.018.3
ID 18 47 24 11 11 57 0 0 170
ABS. 58 23 0 1 0 0 0 0 82 24 1 1 0 0 0 0 133
REL. 70.7 28.0 0.0 1.2 0.0 0.0 0.0 0.0 100.0 29.3 1.2 1.2 0.0 0.0 0.0 0.0 24.4
ID 70 28 0 2 0 0 0 0 101
ABS. 50 18 1 0 0 0 0 0 69 19 1 0 0 0 0 0 83
REL. 72.4 26.0 1.4 0.0 0.0 0.0 0.0 0.0100.0 27.5 1.4 0.0 0.0 0.0 0.0 0.0 23.8
ID 72 26 1 0 0 0 0 0 100
ABS. 30 42 4 1 0 0 0 0 77 47 5 1 0 0 0 0 107
REL 38.9 54.5 5.1 1.2 0.0 0.0 0.0 0.0100.0 61.0 6.5 1.3 0.0 0.0 0.0 0.026.11
ID 38 54 5 2 0 0 0 0 101
Year
ABS. 154 124 26 7 2 2 0 0 315 161 37 11 4 2 0 0 252
REL. 48.8 39.3 8.2 2.2 0.6 0.6 0.0 0.0100.0 51.1 11.7 3.5 1.3 0.6 0.0 0.0 18.3
ID 48 39 8 4 3 15 0 0 120

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