Detailed overview of ambient air pollution valuis from individual stations

1104 - Ceske Budejovice

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1104 - Ceske Budejovice
Code:CZCBCMCEB
Institution:CHMI
Region:Jihocesky
District:Ceske Budejovice
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 89 75 55 58 69 56 82 62 44 48 48 73 139 242 243 229 75 104 42 126 72 36 63 180 57 26 80 66 76 20 23 85.72 243.33 31.00
2 46 38 87 71 47 40 101 114 132 60 30 16 12 23 15 47 42 27 21 23 11 46 27 45 15 13 20 20 ~ ~ ~ 42.41 132.23 28.00
3 34 31 30 32 39 49 57 54 51 71 44 59 84 30 18 21 20 27 18 19 26 15 14 27 47 32 22 15 11 15 56 34.52 84.00 31.00
4 61 57 36 16 12 11 38 34 53 48 20 10 15 25 17 16 38 37 13 17 17 24 26 29 29 25 24 25 16 20 ~ 27.03 61.01 30.00
5 24 27 15 15 13 14 15 14 11 15 22 22 33 33 27 23 12 11 20 19 16 24 16 12 14 16 17 13 11 13 16 17.85 33.12 31.00
6 10 27 25 27 17 17 11 14 18 18 17 23 16 11 19 16 28 19 13 18 9 13 12 20 21 17 17 21 10 11 ~ 17.16 27.73 30.00
7 23 16 27 17 12 10 13 17 22 18 25 16 19 27 19 20 20 18 10 9 20 23 43 17 16 16 19 22 25 28 18 19.58 43.44 31.00
8 26 28 28 41 29 28 31 24 18 31 34 33 43 43 30 29 19 36 27 29 34 37 22 32 34 43 46 22 18 35 35 31.04 45.92 31.00
9 44 42 43 37 39 19 27 26 14 28 41 41 25 45 57 44 77 71 40 27 44 63 77 53 64 80 41 54 77 90 ~ 47.60 89.65 30.00
10 40 16 27 22 45 46 52 35 21 18 10 14 23 28 47 47 51 40 44 39 41 119 128 49 16 16 46 48 83 41 26 41.28 127.54 31.00
11 50 79 53 21 27 138 175 74 30 85 96 101 45 66 77 33 43 30 36 45 158 96 31 46 33 32 70 74 37 49 ~ 64.43 174.99 30.00
12 69 46 41 32 39 37 49 43 73 28 29 31 11 23 24 27 17 28 32 38 57 60 54 49 11 7.30 42 66 64 47 97 40.97 96.88 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. 36 31 13 6 1 3 0 0 90 54 23 10 4 3 0 0 243
REL. 40.0 34.4 14.4 6.6 1.1 3.3 0.0 0.0 100.0 60.0 25.6 11.1 4.4 3.3 0.0 0.015.1
ID 40 34 14 13 5 83 0 0 191
ABS. 82 9 0 0 0 0 0 0 91 9 0 0 0 0 0 0 61
REL. 90.1 9.8 0.0 0.0 0.0 0.0 0.0 0.0 100.0 9.9 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 90 9 0 0 0 0 0 0 100
ABS. 56 30 6 0 0 0 0 0 92 36 6 0 0 0 0 0 90
REL. 60.8 32.6 6.5 0.0 0.0 0.0 0.0 0.0100.0 39.1 6.5 0.0 0.0 0.0 0.0 0.0 30.9
ID 60 32 6 0 0 0 0 0 100
ABS. 32 42 12 4 2 0 0 0 92 60 18 6 2 0 0 0 175
REL 34.7 45.6 13.0 4.3 2.1 0.0 0.0 0.0100.0 65.2 19.6 6.5 2.2 0.0 0.0 0.0 7.11
ID 34 45 13 8 10 0 0 0 113
Year
ABS. 206 112 31 10 3 3 0 0 365 159 47 16 6 3 0 0 243
REL. 56.4 30.6 8.4 2.7 0.8 0.8 0.0 0.0100.0 43.6 12.9 4.4 1.6 0.8 0.0 0.0 15.1
ID 56 30 8 5 4 20 0 0 125

Note:

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

Detailed overview of ambient air pollution valuis from individual stations - selection station