Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
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 23 24 43 121 151 156 92 44 46 67 137 89 54 59 29 35 44 54 32 23 30 47 32 31 28 18 14 18 29 29 63 53.64 156.12 31.00
2 35 27 31 47 32 34 50 25 19 17 17 16 26 19 22 21 32 50 26 18 26 19 17 17 22 19 15 23 ~ ~ ~ 25.73 49.74 28.00
3 34 24 24 32 53 55 24 29 30 22 24 28 46 48 40 27 43 30 25 25 23 18 10 9 16 17 25 40 29 24 26 29.02 55.22 31.00
4 29 33 23 22 30 19 18 31 34 25 18 20 20 20 22 20 25 28 23 22 24 26 23 25 18 16 12 11 13 17 ~ 22.15 34.46 30.00
5 18 23 14 17 16 19 14 10 8.33 15 13 14 16 18 18 12 22 16 16 18 13 12 15 17 10 13 16 18 13 16 19 15.48 22.67 31.00
6 14 15 19 13 14 18 20 17 15 17 16 14 17 16 15 17 18 18 16 15 13 13 10 13 17 10 13 15 12 10 ~ 14.91 20.18 30.00
7 15 13 8.35 11 6.54 6.66 11 9 10 10 12 14 8.74 10 15 14 17 11 13 12 10 10 13 12 12 12 13 11 14 19 13 11.84 19.47 31.00
8 16 15 9 10 12 18 19 13 12 12 9 12 7.44 8.82 21 22 14 15 17 14 16 18 25 13 13 11 19 19 18 26 15 15.10 25.83 31.00
9 11 10 13 12 19 14 11 10 18 19 19 16 ~ ~ ~ ~ ~ ~ ~ 41 23 14 20 17 22 22 22 14 18 31 ~ 18.16 41.13 23.00
10 31 26 32 32 13 10 17 20 14 16 14 18 16 13 13 17 19 16 10 16 18 31 17 19 15 8.64 9 13 21 39 20 18.49 38.61 31.00
11 32 18 10 31 13 12 30 30 10 19 20 29 22 37 89 33 19 69 36 19 20 43 17 13 30 60 50 18 25 16 ~ 29.02 88.51 30.00
12 18 26 45 52 32 32 18 16 14 14 17 25 41 26 25 32 62 38 33 66 105 39 42 22 18 18 24 45 43 12 15 32.79 105.17 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. 60 23 3 2 2 0 0 0 90 30 7 4 2 0 0 0 156
REL. 66.6 25.5 3.3 2.2 2.2 0.0 0.0 0.0 100.0 33.3 7.8 4.4 2.2 0.0 0.0 0.06.1
ID 66 25 3 4 11 0 0 0 111
ABS. 90 1 0 0 0 0 0 0 91 1 0 0 0 0 0 0 34
REL. 98.9 1.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 9.4
ID 98 1 0 0 0 0 0 0 100
ABS. 84 1 0 0 0 0 0 0 85 1 0 0 0 0 0 0 41
REL. 98.8 1.1 0.0 0.0 0.0 0.0 0.0 0.0100.0 1.2 0.0 0.0 0.0 0.0 0.0 0.0 20.9
ID 98 1 0 0 0 0 0 0 100
ABS. 72 17 2 1 0 0 0 0 92 20 3 1 0 0 0 0 105
REL 78.2 18.4 2.1 1.0 0.0 0.0 0.0 0.0100.0 21.7 3.3 1.1 0.0 0.0 0.0 0.021.12
ID 78 18 2 2 0 0 0 0 101
Year
ABS. 306 42 5 3 2 0 0 0 358 52 10 5 2 0 0 0 156
REL. 85.4 11.7 1.3 0.8 0.5 0.0 0.0 0.0100.0 14.5 2.8 1.4 0.6 0.0 0.0 0.0 6.1
ID 85 11 1 1 2 0 0 0 103

Note:

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