Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1104 - Ceske Budejovice
Code:CZCBCMCEB
Institution:Czech Hydrometeorological Institute
Region:Jihocesky
District:Ceske Budejovice
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 16 14 56 119 129 145 147 56 46 68 129 127 62 83 28 28 74 65 33 14 73 64 68 41 26 15 8.74 10 49 86 120 64.51 147.25 31.00
2 45 34 30 61 34 40 50 24 15 10 10 9 25 25 21 20 42 52 23 15 20 21 10 11 21 11 11 23 ~ ~ ~ 25.51 61.36 28.00
3 48 23 ~ 44 89 67 17 45 35 26 37 53 74 37 32 27 50 39 25 35 23 17 12 11 18 20 30 51 44 28 29 36.30 89.07 30.00
4 39 41 21 35 30 16 23 33 32 23 19 21 22 14 30 24 31 35 24 16 26 32 23 28 21 16 11 12 12 18 ~ 24.20 41.24 30.00
5 27 37 23 16 17 23 16 12 14 17 15 19 22 22 28 24 29 19 14 18 19 16 17 16 11 13 16 15 13 17 23 18.91 37.15 31.00
6 13 19 19 14 14 16 16 20 14 16 18 19 20 19 16 25 24 19 22 18 15 14 15 16 19 13 15 12 12 13 ~ 16.81 24.73 30.00
7 16 18 14 14 12 10 17 20 18 16 24 18 11 14 22 22 27 16 18 12 14 17 17 20 18 17 20 24 27 26 17 17.99 27.34 31.00
8 26 17 17 20 22 20 18 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 20.00 26.49 7.00
9 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
10 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
11 41 16 19 30 10 14 31 29 7.77 18 42 96 28 60 131 45 51 45 33 25 20 37 22 14 37 62 35 19 28 19 ~ 35.59 131.25 30.00
12 43 41 25 51 30 25 18 14 15 15 17 22 32 17 20 38 95 23 28 65 165 46 37 15 12 14 20 31 55 11 12 33.91 164.69 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. 45 28 9 7 0 0 0 0 89 44 16 7 0 0 0 0 147
REL. 50.5 31.4 10.1 7.8 0.0 0.0 0.0 0.0 100.0 49.4 18.0 7.9 0.0 0.0 0.0 0.07.1
ID 50 31 10 15 0 0 0 0 107
ABS. 86 5 0 0 0 0 0 0 91 5 0 0 0 0 0 0 41
REL. 94.5 5.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 5.5 0.0 0.0 0.0 0.0 0.0 0.0 2.4
ID 94 5 0 0 0 0 0 0 100
ABS. 38 0 0 0 0 0 0 0 381 0 0 0 0 0 0 0 27
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 29.7
ID 100 0 0 0 0 0 0 0 100
ABS. 39 18 2 1 1 0 0 0 61 22 4 2 1 0 0 0 165
REL 63.9 29.5 3.2 1.6 1.6 0.0 0.0 0.0100.0 36.1 6.6 3.3 1.6 0.0 0.0 0.021.12
ID 63 29 3 3 8 0 0 0 108
Year
ABS. 208 51 11 8 1 0 0 0 279 71 20 9 1 0 0 0 165
REL. 74.5 18.2 3.9 2.8 0.3 0.0 0.0 0.0100.0 25.4 7.2 3.2 0.4 0.0 0.0 0.021.12
ID 74 18 3 5 1 0 0 0 104

Note:

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