Detailed overview of ambient air pollution valuis from individual stations

548 - Usti n.L.-Brna

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 548 - Usti n.L.-Brna
Code:CZULHSUBR
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 ~ 103 47 54 20 45 48 95 48 62 71 31 57 47 100 85 134 100 46 85 74 51 54 57 39 25 87 59 28 21 38 60.37 134.00 30.00
2 32 50 95 50 38 20 30 80 67 52 39 49 30 40 35 21 45 63 52 26 58 44 49 ~ ~ 72 33 23 ~ ~ ~ 45.88 95.00 26.00
3 55 57 53 35 113 79 60 56 37 43 64 28 37 77 57 14 169 132 24 24 32 20 44 12 15 54 12 34 24 21 21 48.48 169.00 31.00
4 13 25 18 16 15 13 19 23 40 29 18 13 18 21 8.00 15 30 10 11 15 30 24 14 39 30 15 12 23 17 15 ~ 19.63 40.00 30.00
5 15 23 16 18 15 8.00 36 15 42 13 10 11 13 16 23 18 25 17 24 18 11 8.00 25 21 12 ~ 33 23 16 15 10 18.33 42.00 30.00
6 8.00 10 29 24 22 19 10 11 8.00 17 10 19 8.00 21 11 142 6.00 16 12 18 18 8.00 20 18 21 14 20 10 17 18 ~ 19.50 142.00 30.00
7 17 8.00 8.00 ~ ~ ~ ~ ~ 8.00 8.00 10 17 14 5.00 18 8.00 8.00 9.00 8.00 11 18 8.00 34 19 32 21 16 15 8.00 8.00 ~ 13.44 34.00 25.00
8 55 14 12 19 15 15 34 18 14 8.00 14 96 32 23 10 14 14 12 43 24 ~ 25 69 76 57 19 85 36 32 37 24 31.53 96.00 30.00
9 35 31 30 37 45 29 16 51 17 13 28 37 34 26 31 53 30 19 24 28 20 45 36 9.00 31 38 35 30 47 11 ~ 30.53 53.00 30.00
10 40 35 20 25 36 50 42 41 27 37 22 20 26 20 27 32 59 29 53 46 17 45 38 19 16 16 45 95 83 54 51 37.61 95.00 31.00
11 36 48 29 40 ~ ~ ~ ~ ~ ~ ~ 57 37 43 42 34 42 16 36 38 66 74 ~ 58 38 ~ ~ ~ ~ ~ ~ 43.18 74.00 17.00

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. 25 43 14 4 1 0 0 0 87 62 19 5 1 0 0 0 169
REL. 28.7 49.4 16.0 4.5 1.1 0.0 0.0 0.0 100.0 71.3 21.8 5.7 1.1 0.0 0.0 0.017.3
ID 28 49 16 9 5 0 0 0 109
ABS. 85 4 0 1 0 0 0 0 90 5 1 1 0 0 0 0 142
REL. 94.4 4.4 0.0 1.1 0.0 0.0 0.0 0.0 100.0 5.6 1.1 1.1 0.0 0.0 0.0 0.0 16.6
ID 94 4 0 2 0 0 0 0 101
ABS. 62 19 4 0 0 0 0 0 85 23 4 0 0 0 0 0 96
REL. 72.9 22.3 4.7 0.0 0.0 0.0 0.0 0.0100.0 27.1 4.7 0.0 0.0 0.0 0.0 0.0 12.8
ID 72 22 4 0 0 0 0 0 100
ABS. 16 29 3 0 0 0 0 0 481 32 3 0 0 0 0 0 95
REL 33.3 60.4 6.2 0.0 0.0 0.0 0.0 0.0100.0 66.7 6.3 0.0 0.0 0.0 0.0 0.028.10
ID 33 60 6 0 0 0 0 0 100
Year
ABS. 188 95 21 5 1 0 0 0 310 122 27 6 1 0 0 0 169
REL. 60.6 30.6 6.7 1.6 0.3 0.0 0.0 0.0100.0 39.4 8.7 1.9 0.3 0.0 0.0 0.0 17.3
ID 60 30 6 3 1 0 0 0 102

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