Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 547 - Usti n.L.-Vseborice
Code:CZULHSULV
Institution:Public Health Service
Region:Ustecky
District:Usti nad Labem
IHd: 100
Measure method:triethanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ 91 70 99 109 75 27 38 61 38 73 46 37 63 45 44 56 59 53 51 32 37 46 47 47 33 35 32 16 39 36 51.17 109.00 30.00
2 21 23 21 21 48 24 44 40 8.00 17 26 21 26 32 59 8.00 47 37 12 20 35 53 21 17 39 24 24 39 ~ ~ ~ 28.82 59.00 28.00
3 25 19 25 35 29 30 15 57 46 36 53 54 70 8.00 14 27 10 24 14 23 22 16 8.00 8.00 ~ ~ 26 35 21 10 10 26.55 70.00 29.00
4 14 29 12 12 21 8.00 15 23 34 13 19 22 14 15 32 34 31 37 8.00 8.00 8.00 22 30 13 39 19 15 8.00 8.00 25 ~ 19.60 39.00 30.00
5 23 17 8.00 8.00 20 ~ 12 8.00 8.00 28 8.00 28 8.00 8.00 8.00 18 19 8.00 8.00 12 18 11 13 12 8.00 10 20 16 14 28 18 14.17 28.00 30.00
6 18 28 22 10 8.00 25 11 14 14 15 24 28 19 12 28 17 32 29 15 8.00 25 16 13 15 40 18 17 ~ ~ ~ ~ 19.30 40.00 27.00
7 28 36 15 17 11 8.00 11 17 19 11 20 14 9.00 8.00 16 17 19 13 9.00 10 8.00 11 21 8.00 12 5.00 9.00 10 8.00 8.00 96 16.26 96.00 31.00
8 23 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 28 22 8.00 17 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 11 8.00 8.00 17 32 12 16.91 32.00 11.00
9 8.00 13 8.00 25 21 28 ~ ~ 14 11 20 25 57 15 15 8.00 ~ 22 27 55 27 23 8.00 11 18 28 12 28 35 18 ~ 21.48 57.00 27.00
10 12 47 40 29 8.00 11 19 8.00 8.00 9.00 8.00 8.00 8.00 8.00 8.00 26 22 82 24 25 36 8.00 26 30 42 12 22 25 9.00 37 25 22.00 82.00 31.00
11 66 36 21 22 20 ~ ~ ~ ~ ~ ~ ~ 53 20 19 50 20 40 22 30 42 48 47 21 52 51 36 42 45 34 ~ 36.39 66.00 23.00
12 38 26 32 33 40 47 28 19 143 73 78 37 48 38 11 45 19 18 8.00 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 41.11 143.00 19.00

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. 44 36 6 1 0 0 0 0 87 43 7 1 0 0 0 0 109
REL. 50.5 41.3 6.8 1.1 0.0 0.0 0.0 0.0 100.0 49.4 8.0 1.1 0.0 0.0 0.0 0.05.1
ID 50 41 6 2 0 0 0 0 101
ABS. 82 5 0 0 0 0 0 0 87 5 0 0 0 0 0 0 40
REL. 94.2 5.7 0.0 0.0 0.0 0.0 0.0 0.0 100.0 5.7 0.0 0.0 0.0 0.0 0.0 0.0 25.6
ID 94 5 0 0 0 0 0 0 100
ABS. 64 4 1 0 0 0 0 0 69 5 1 0 0 0 0 0 96
REL. 92.7 5.7 1.4 0.0 0.0 0.0 0.0 0.0100.0 7.2 1.4 0.0 0.0 0.0 0.0 0.0 31.7
ID 92 5 1 0 0 0 0 0 100
ABS. 43 26 3 1 0 0 0 0 73 30 4 1 0 0 0 0 143
REL 58.9 35.6 4.1 1.3 0.0 0.0 0.0 0.0100.0 41.1 5.5 1.4 0.0 0.0 0.0 0.0 9.12
ID 58 35 4 2 0 0 0 0 101
Year
ABS. 233 71 10 2 0 0 0 0 316 83 12 2 0 0 0 0 143
REL. 73.7 22.4 3.1 0.6 0.0 0.0 0.0 0.0100.0 26.3 3.8 0.6 0.0 0.0 0.0 0.0 9.12
ID 73 22 3 1 0 0 0 0 100

Note:

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