Detailed overview of ambient air pollution valuis from individual stations

545 - Usti n.L.-Kras.Brezno

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 545 - Usti n.L.-Kras.Brezno
Code:CZULHSUNB
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 ~ 135 ~ ~ 62 70 8.00 131 31 138 98 41 59 30 169 185 100 243 86 130 89 56 95 ~ 20 ~ 63 102 44 11 35 85.81 243.00 26.00
2 42 43 ~ 92 35 58 196 111 139 115 ~ 89 58 57 23 ~ ~ ~ ~ ~ ~ ~ 80 89 62 51 20 ~ ~ ~ ~ 75.56 196.00 18.00
3 131 115 ~ ~ 160 95 ~ 101 30 59 48 8.00 40 63 ~ 17 48 128 124 38 12 8.00 ~ ~ ~ 105 11 28 40 ~ 168 68.57 168.00 23.00
4 61 17 34 ~ ~ 8.00 ~ 40 82 46 9.00 8.00 21 24 13 27 29 56 22 23 16 25 26 82 19 11 20 25 25 20 ~ 29.22 82.00 27.00
5 18 33 18 26 28 19 15 59 39 ~ ~ 31 25 40 32 21 15 17 ~ 31 29 ~ 39 45 40 38 37 36 ~ ~ 20 30.04 59.00 25.00
6 20 8.00 28 62 25 ~ ~ ~ ~ ~ 65 16 21 49 ~ 78 5.00 5.00 13 ~ ~ 10 28 18 ~ ~ ~ ~ ~ ~ ~ 28.19 78.00 16.00
7 ~ ~ ~ ~ ~ ~ ~ 8.00 8.00 8.00 4.00 11 15 6.00 5.00 ~ ~ 8.00 8.00 8.00 ~ 11 21 56 ~ ~ ~ ~ ~ ~ ~ 12.64 56.00 14.00
8 ~ ~ ~ 11 13 11 10 8.00 7.00 10 ~ ~ 18 18 8.00 10 10 10 26 38 ~ 13 8.00 23 38 38 55 72 35 23 20 21.32 72.00 25.00
9 37 ~ 33 30 20 22 33 40 21 34 31 26 20 26 36 34 11 38 23 25 32 45 32 42 ~ 40 25 10 56 21 ~ 30.11 56.00 28.00
10 ~ 49 22 39 30 54 ~ 60 28 26 19 17 36 32 40 26 80 60 46 130 43 69 29 ~ ~ ~ ~ ~ ~ 96 87 48.61 130.00 23.00
11 62 53 50 65 64 79 13 87 76 112 100 80 ~ 44 62 19 8.00 ~ 43 23 ~ 46 75 58 42 23 64 83 68 ~ ~ 57.65 112.00 26.00
12 10 16 82 32 59 60 23 ~ ~ 42 93 ~ 17 28 23 50 22 32 37 66 135 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 45.94 135.00 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. 14 22 11 14 5 1 0 0 67 53 31 20 6 1 0 0 243
REL. 20.8 32.8 16.4 20.8 7.4 1.4 0.0 0.0 100.0 79.1 46.3 29.9 9.0 1.5 0.0 0.018.1
ID 20 32 16 41 37 37 0 0 186
ABS. 48 17 3 0 0 0 0 0 68 20 3 0 0 0 0 0 82
REL. 70.5 25.0 4.4 0.0 0.0 0.0 0.0 0.0 100.0 29.4 4.4 0.0 0.0 0.0 0.0 0.0 9.4
ID 70 25 4 0 0 0 0 0 100
ABS. 50 16 1 0 0 0 0 0 67 17 1 0 0 0 0 0 72
REL. 74.6 23.8 1.4 0.0 0.0 0.0 0.0 0.0100.0 25.4 1.5 0.0 0.0 0.0 0.0 0.0 28.8
ID 74 23 1 0 0 0 0 0 100
ABS. 23 27 14 3 0 0 0 0 67 44 17 3 0 0 0 0 135
REL 34.3 40.2 20.8 4.4 0.0 0.0 0.0 0.0100.0 65.7 25.4 4.5 0.0 0.0 0.0 0.021.12
ID 34 40 20 8 0 0 0 0 104
Year
ABS. 135 82 29 17 5 1 0 0 269 134 52 23 6 1 0 0 243
REL. 50.1 30.4 10.7 6.3 1.8 0.3 0.0 0.0100.0 49.8 19.3 8.6 2.2 0.4 0.0 0.0 18.1
ID 50 30 10 12 9 9 0 0 122

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