Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 395 - Hr.Kral.-nam.Osvob.
Code:CZHKHSHKN
Institution:Public Health Service
Region:Kralovehradecky
District:Hradec Kralove
IHd: 100
Measure method:triethanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ 28 51 64 ~ ~ 100 56 35 46 48 ~ ~ 40 43 38 146 37 ~ ~ 36 47 54 28 37 ~ ~ 19 43 58 60 50.64 146.00 22.00
2 49 ~ ~ 46 52 34 34 22 ~ ~ 26 22 49 49 49 ~ ~ 35 34 24 21 24 ~ ~ 71 27 22 27 ~ ~ ~ 35.85 71.00 20.00
3 31 ~ ~ 43 61 45 21 51 ~ ~ 127 ~ 78 29 ~ ~ ~ 57 23 28 45 24 ~ ~ ~ ~ 40 60 58 ~ ~ 48.29 127.00 17.00
4 ~ 32 28 28 24 ~ ~ ~ 30 26 21 20 ~ ~ 26 34 27 34 10 ~ ~ 31 28 45 37 21 ~ ~ 21 26 ~ 27.45 45.00 20.00
5 ~ 18 27 ~ ~ 26 30 ~ 22 17 ~ ~ 27 19 29 34 23 ~ ~ 27 20 21 26 18 ~ ~ 22 16 21 26 17 23.14 34.00 21.00
6 ~ ~ 26 29 16 23 26 ~ ~ 18 28 30 20 25 ~ ~ 33 31 32 20 19 ~ ~ 29 24 29 23 19 ~ ~ ~ 25.00 33.00 20.00
7 25 24 22 17 ~ ~ ~ 30 29 17 24 ~ ~ ~ 31 27 27 ~ 25 ~ ~ ~ 21 12 25 21 ~ ~ 36 36 24 24.89 36.00 19.00
8 27 28 ~ ~ 27 24 29 40 23 ~ ~ 16 11 16 31 23 ~ ~ 33 30 31 27 35 ~ ~ 33 27 25 34 38 ~ 27.64 40.00 22.00
9 ~ 23 26 33 27 30 ~ ~ 40 35 21 34 42 ~ ~ 25 22 32 27 26 ~ ~ 20 18 25 26 24 ~ ~ 61 ~ 29.38 61.00 21.00
10 68 78 55 21 ~ ~ 20 23 27 32 24 ~ ~ 33 45 27 25 24 ~ ~ 40 64 27 53 33 ~ ~ ~ 42 38 35 37.91 78.00 22.00
11 37 ~ ~ 26 26 57 60 50 ~ ~ 43 64 34 54 70 ~ ~ 40 32 27 46 39 ~ ~ 35 56 36 42 42 ~ ~ 43.62 70.00 21.00
12 ~ 30 33 32 30 23 ~ ~ 60 79 86 40 38 ~ ~ 35 45 49 66 100 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 49.73 100.00 15.00

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. 18 36 3 2 0 0 0 0 591 41 5 2 0 0 0 0 146
REL. 30.5 61.0 5.0 3.3 0.0 0.0 0.0 0.0 100.0 69.5 8.5 3.4 0.0 0.0 0.0 0.017.1
ID 30 61 5 6 0 0 0 0 103
ABS. 56 5 0 0 0 0 0 0 61 5 0 0 0 0 0 0 45
REL. 91.8 8.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 8.2 0.0 0.0 0.0 0.0 0.0 0.0 24.4
ID 91 8 0 0 0 0 0 0 100
ABS. 51 11 0 0 0 0 0 0 62 11 0 0 0 0 0 0 61
REL. 82.2 17.7 0.0 0.0 0.0 0.0 0.0 0.0100.0 17.7 0.0 0.0 0.0 0.0 0.0 0.0 30.9
ID 82 17 0 0 0 0 0 0 100
ABS. 21 31 6 0 0 0 0 0 581 37 6 0 0 0 0 0 100
REL 36.2 53.4 10.3 0.0 0.0 0.0 0.0 0.0100.0 63.8 10.3 0.0 0.0 0.0 0.0 0.020.12
ID 36 53 10 0 0 0 0 0 100
Year
ABS. 146 83 9 2 0 0 0 0 240 94 11 2 0 0 0 0 146
REL. 60.8 34.5 3.7 0.8 0.0 0.0 0.0 0.0100.0 39.2 4.6 0.8 0.0 0.0 0.0 0.0 17.1
ID 60 34 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