Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
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 27 62 115 55 85 154 160 40 25 59 28 32 45 70 48 36 26 25 16 ~ 26 24 34 62 90 118 90 72 12 11 15 55.50 160.10 30.00
2 36 24 32 42 49 36 41 12 17 25 103 25 12 36 28 20 30 25 21 18 26 34 51 37 24 53 25 32 47 ~ ~ 33.17 103.18 29.00
3 25 18 15 8.02 13 ~ 39 21 14 26 12 16 42 24 11 16 16 21 14 27 53 61 59 32 26 14 18 20 16 21 23 24.00 60.63 30.00
4 22 28 27 35 18 19 17 18 17 36 31 22 21 30 12 18 17 27 32 46 42 16 12 11 25 30 18 13 14 15 ~ 22.96 45.76 30.00
5 18 20 25 28 25 16 14 21 25 32 33 15 16 21 24 27 21 17 15 11 13 15 21 22 18 20 13 12 18 12 19 19.56 33.15 31.00
6 15 15 16 18 18 17 17 24 16 13 14 15 20 22 17 12 11 16 29 25 29 21 22 19 21 22 18 20 21 ~ ~ 18.73 29.42 29.00
7 30 ~ ~ ~ ~ ~ ~ 10 10 ~ 19 30 14 16 9 9 17 26 13 19 22 20 15 17 19 19 19 19 9 22 16 17.48 30.17 24.00
8 18 16 17 17 10 10 20 20 25 19 27 18 22 31 30 24 17 17 20 16 14 20 28 43 27 10 16 32 41 28 25 21.87 43.01 31.00
9 18 7.80 7.47 12 32 26 30 31 21 39 41 34 56 48 23 14 25 17 14 20 29 25 15 14 25 21 30 19 15 10 ~ 24.12 55.90 30.00
10 13 22 35 33 28 26 11 15 25 18 30 75 139 41 17 39 42 31 37 21 18 39 41 91 48 25 26 19 15 26 29 34.69 139.47 31.00
11 27 22 25 19 36 18 81 36 45 49 63 19 42 46 78 27 22 25 19 31 29 49 50 85 31 23 38 51 39 42 ~ 38.91 84.83 30.00
12 26 43 33 36 27 25 28 30 102 17 44 28 25 25 20 14 53 64 44 37 21 29 ~ ~ ~ ~ ~ ~ 45 70 42 37.21 102.46 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. 54 25 5 3 2 0 0 0 89 35 10 5 2 0 0 0 160
REL. 60.6 28.0 5.6 3.3 2.2 0.0 0.0 0.0 100.0 39.3 11.2 5.6 2.2 0.0 0.0 0.07.1
ID 60 28 5 6 11 0 0 0 112
ABS. 86 4 0 0 0 0 0 0 90 4 0 0 0 0 0 0 46
REL. 95.5 4.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 4.4 0.0 0.0 0.0 0.0 0.0 0.0 20.4
ID 95 4 0 0 0 0 0 0 100
ABS. 78 7 0 0 0 0 0 0 85 7 0 0 0 0 0 0 56
REL. 91.7 8.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 8.2 0.0 0.0 0.0 0.0 0.0 0.0 13.9
ID 91 8 0 0 0 0 0 0 100
ABS. 48 30 6 2 0 0 0 0 86 38 8 2 0 0 0 0 139
REL 55.8 34.8 6.9 2.3 0.0 0.0 0.0 0.0100.0 44.2 9.3 2.3 0.0 0.0 0.0 0.013.10
ID 55 34 6 4 0 0 0 0 102
Year
ABS. 266 66 11 5 2 0 0 0 350 84 18 7 2 0 0 0 160
REL. 76.0 18.8 3.1 1.4 0.5 0.0 0.0 0.0100.0 24.0 5.1 2.0 0.6 0.0 0.0 0.0 7.1
ID 76 18 3 2 2 0 0 0 103

Note:

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