Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 543 - Usti n.L.-Sev.terasa
Code:CZULHSUST
Institution:Public Health Service
Region:Ustecky
District:Usti nad Labem
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ 15 77 12 71 73 82 63 109 38 38 60 38 79 43 48 32 66 53 40 55 46 51 75 6.00 27 34 33 33 37 49.45 109.00 29.00
2 43 32 60 27 54 46 48 85 71 55 66 111 32 38 102 115 57 11 25 18 19 12 18 19 49 81 60 22 ~ ~ ~ 49.14 115.00 28.00
3 50 29 29 37 19 25 23 15 43 19 16 22 20 21 29 42 21 14 9.00 12 16 25 35 18 16 9.00 10 16 17 44 23 23.35 50.00 31.00
4 22 28 14 10 27 38 19 17 11 24 20 21 13 9.00 12 12 10 15 8.00 19 8.00 8.00 8.00 23 18 19 24 19 12 12 ~ 16.67 38.00 30.00
5 12 10 13 13 13 8.00 8.00 8.00 10 13 14 12 15 20 28 11 17 11 8.00 8.00 8.00 8.00 15 12 11 22 16 17 16 12 10 12.87 28.00 31.00
6 ~ ~ ~ 23 13 50 17 26 17 32 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 8.00 14 14 11 18 8.00 8.00 ~ ~ ~ 18.50 50.00 14.00
7 12 18 34 ~ ~ ~ ~ ~ 11 28 8.00 14 11 22 8.00 19 8.00 11 18 11 20 21 29 8.00 16 19 8.00 8.00 23 28 38 17.35 38.00 26.00
8 31 46 98 30 66 63 47 16 33 24 31 30 88 49 128 51 19 23 46 20 14 21 23 35 25 30 8.00 16 32 23 38 38.84 128.00 31.00
9 18 10 30 21 13 32 27 19 20 32 39 13 36 29 48 25 19 30 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 37 42 18 8.00 ~ 21.00 48.00 30.00
10 8.00 8.00 8.00 9.00 11 13 13 9.00 8.00 8.00 24 8.00 8.00 8.00 8.00 11 8.00 8.00 8.00 8.00 15 24 8.00 8.00 8.00 8.00 8.00 8.00 9.00 10 8.00 9.94 24.00 31.00
11 22 29 12 8.00 10 8.00 10 8.00 15 8.00 8.00 8.00 8.00 8.00 17 15 8.00 10 11 12 10 8.00 57 8.00 8.00 8.00 8.00 31 35 16 ~ 14.13 57.00 30.00
12 16 11 8.00 8.00 8.00 8.00 9.00 10 8.00 13 6.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 14 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 9.15 16.00 20.00

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. 43 32 9 4 0 0 0 0 88 45 13 4 0 0 0 0 115
REL. 48.8 36.3 10.2 4.5 0.0 0.0 0.0 0.0 100.0 51.1 14.8 4.5 0.0 0.0 0.0 0.016.2
ID 48 36 10 9 0 0 0 0 104
ABS. 73 2 0 0 0 0 0 0 75 2 0 0 0 0 0 0 50
REL. 97.3 2.6 0.0 0.0 0.0 0.0 0.0 0.0 100.0 2.7 0.0 0.0 0.0 0.0 0.0 0.0 6.6
ID 97 2 0 0 0 0 0 0 100
ABS. 68 16 2 1 0 0 0 0 87 19 3 1 0 0 0 0 128
REL. 78.1 18.3 2.2 1.1 0.0 0.0 0.0 0.0100.0 21.8 3.4 1.1 0.0 0.0 0.0 0.0 15.8
ID 78 18 2 2 0 0 0 0 101
ABS. 79 2 0 0 0 0 0 0 81 2 0 0 0 0 0 0 57
REL 97.5 2.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 2.5 0.0 0.0 0.0 0.0 0.0 0.023.11
ID 97 2 0 0 0 0 0 0 100
Year
ABS. 263 52 11 5 0 0 0 0 331 68 16 5 0 0 0 0 128
REL. 79.4 15.7 3.3 1.5 0.0 0.0 0.0 0.0100.0 20.5 4.8 1.5 0.0 0.0 0.0 0.0 15.8
ID 79 15 3 3 0 0 0 0 101

Note:

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