Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 571 - Trutnov-OHS
Code:CZTUHSTRO
Institution:Public Health Service
Region:Vychodocesky
District:Trutnov
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 80 86 52 97 41 41 36 135 134 32 40 32 69 46 51 64 76 28 28 32 35 17 19 26 29 21 41 77 73 94 63 54.68 135.00 31.00
2 23 32 44 47 47 90 84 67 27 55 69 111 49 42 30 24 34 26 36 50 57 28 33 38 42 38 42 33 ~ ~ ~ 46.36 111.00 28.00
3 14 15 33 33 35 15 28 19 14 16 ~ ~ ~ ~ ~ ~ ~ ~ ~ 23 30 17 ~ ~ ~ ~ 27 55 40 31 57 27.89 57.00 18.00
4 52 50 47 20 15 41 28 18 33 43 18 17 16 ~ ~ ~ ~ ~ 27 24 17 18 26 ~ ~ 21 11 ~ ~ ~ ~ 27.10 52.00 20.00
5 21 19 16 ~ ~ ~ 10 12 10 ~ ~ ~ ~ 36 27 18 ~ ~ 15 12 43 53 19 17 40 36 45 33 ~ 28 18 25.14 53.00 21.00
6 29 23 39 39 ~ 22 17 43 34 43 39 31 19 18 39 25 23 44 41 31 19 ~ ~ ~ ~ 53 22 14 33 37 ~ 31.08 53.00 25.00
7 30 33 37 11 11 14 35 24 28 19 20 14 26 23 34 34 35 18 13 39 30 28 25 30 16 16 60 22 25 22 29 25.84 60.00 31.00
8 24 16 25 24 24 24 44 23 17 32 45 46 35 26 23 24 30 48 26 39 30 18 15 30 18 55 27 23 17 24 46 28.97 55.00 31.00
9 57 64 31 44 21 26 43 57 37 34 36 24 17 31 19 28 30 67 41 16 30 ~ ~ ~ 44 36 44 48 28 37 ~ 36.67 67.00 27.00
10 26 33 31 25 39 33 34 89 91 19 15 32 32 49 58 55 43 17 56 ~ ~ 30 ~ 30 12 17 71 13 18 15 10 35.46 91.00 28.00
11 10 17 36 18 17 16 11 41 56 36 23 32 11 14 22 25 19 24 14 8.00 10 55 44 41 48 78 65 30 46 57 ~ 30.80 78.00 30.00
12 ~ ~ ~ ~ 37 16 18 55 68 157 21 ~ ~ 13 40 10 62 52 79 30 81 83 77 24 29 36 29 41 48 77 25 48.32 157.00 25.00

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. 33 29 12 3 0 0 0 0 77 44 15 3 0 0 0 0 135
REL. 42.8 37.6 15.5 3.8 0.0 0.0 0.0 0.0 100.0 57.1 19.5 3.9 0.0 0.0 0.0 0.08.1
ID 42 37 15 7 0 0 0 0 103
ABS. 44 22 0 0 0 0 0 0 66 22 0 0 0 0 0 0 53
REL. 66.6 33.3 0.0 0.0 0.0 0.0 0.0 0.0 100.0 33.3 0.0 0.0 0.0 0.0 0.0 0.0 22.5
ID 66 33 0 0 0 0 0 0 100
ABS. 59 29 1 0 0 0 0 0 89 30 1 0 0 0 0 0 67
REL. 66.2 32.5 1.1 0.0 0.0 0.0 0.0 0.0100.0 33.7 1.1 0.0 0.0 0.0 0.0 0.0 18.9
ID 66 32 1 0 0 0 0 0 100
ABS. 46 26 10 0 1 0 0 0 83 37 11 1 1 0 0 0 157
REL 55.4 31.3 12.0 0.0 1.2 0.0 0.0 0.0100.0 44.6 13.3 1.2 1.2 0.0 0.0 0.010.12
ID 55 31 12 0 6 0 0 0 104
Year
ABS. 182 106 23 3 1 0 0 0 315 133 27 4 1 0 0 0 157
REL. 57.7 33.6 7.3 0.9 0.3 0.0 0.0 0.0100.0 42.2 8.6 1.3 0.3 0.0 0.0 0.010.12
ID 57 33 7 1 1 0 0 0 102

Note:

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