Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1193 - Ces. Budejovice-Tresn.
Code:CZCBHSCBT
Institution:Public Health Service
Region:Jihocesky
District:Ceske Budejovice
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ 72 23 34 56 204 36 24 59 22 31 24 31 51 39 26 17 20 33 19 20 31 54 60 87 56 66 15 15 15 42.68 204.18 29.00
2 19 ~ 25 26 18 19 21 16 23 19 45 31 15 25 23 16 28 17 24 21 24 26 35 23 18 31 14 20 30 ~ ~ 23.21 44.84 28.00
3 18 17 11 10 13 20 21 16 17 16 13 11 22 20 14 18 17 16 14 22 27 29 33 29 23 15 19 21 13 17 18 18.38 32.72 31.00
4 19 12 14 26 20 15 19 16 16 29 22 15 14 18 ~ ~ 13 20 22 29 25 12 10 12 18 16 13 8.84 11 13 ~ 17.04 28.77 28.00
5 15 13 15 21 14 11 11 12 21 25 24 14 11 12 15 18 14 15 14 10 10 17 16 17 15 14 12 9 13 9 18 14.75 25.16 31.00
6 9 10 10 14 ~ ~ ~ ~ 13 13 13 15 14 17 17 11 10 11 15 14 20 15 18 12 13 15 14 15 17 19 ~ 14.01 19.79 26.00
7 12 12 11 12 11 12 16 10 8.93 ~ 17 19 13 13 13 ~ ~ ~ 16 15 19 16 14 12 13 21 14 16 11 11 14 13.69 20.73 27.00
8 13 11 12 11 11 10 16 18 15 13 20 15 19 18 24 21 16 17 17 14 15 17 22 25 22 12 12 26 24 20 20 16.87 26.09 31.00
9 24 ~ ~ ~ 20 18 22 23 14 22 33 25 28 28 25 15 18 20 15 20 26 31 16 15 18 20 25 23 17 13 ~ 21.35 32.81 27.00
10 11 23 35 42 21 25 21 16 20 15 21 37 92 33 15 19 41 36 26 26 14 35 38 42 26 22 27 19 19 25 28 28.04 92.41 31.00
11 19 18 24 23 20 13 45 29 33 27 35 21 26 47 41 22 31 25 21 25 31 29 44 65 37 19 29 29 26 39 ~ 29.77 65.40 30.00
12 24 36 26 24 23 23 25 25 33 18 21 21 26 19 19 20 41 31 36 35 21 23 38 38 34 36 25 54 41 44 31 29.37 54.48 31.00

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. 73 12 2 0 0 1 0 0 88 15 3 1 1 1 0 0 204
REL. 82.9 13.6 2.2 0.0 0.0 1.1 0.0 0.0 100.0 17.0 3.4 1.1 1.1 1.1 0.0 0.07.1
ID 82 13 2 0 0 28 0 0 127
ABS. 85 0 0 0 0 0 0 0 85 0 0 0 0 0 0 0 29
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 20.4
ID 100 0 0 0 0 0 0 0 100
ABS. 85 0 0 0 0 0 0 0 85 0 0 0 0 0 0 0 33
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 11.9
ID 100 0 0 0 0 0 0 0 100
ABS. 64 27 1 0 0 0 0 0 92 28 1 0 0 0 0 0 92
REL 69.5 29.3 1.0 0.0 0.0 0.0 0.0 0.0100.0 30.4 1.1 0.0 0.0 0.0 0.0 0.013.10
ID 69 29 1 0 0 0 0 0 100
Year
ABS. 307 39 3 0 0 1 0 0 350 43 4 1 1 1 0 0 204
REL. 87.7 11.1 0.8 0.0 0.0 0.2 0.0 0.0100.0 12.3 1.1 0.3 0.3 0.3 0.0 0.0 7.1
ID 87 11 0 0 7 0 0 106

Note:

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