Detailed overview of ambient air pollution valuis from individual stations


Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1130 - Brno-Turany
Code:CZBMCMTUR
Institution:CHMI
Region:Jihomoravsky
District:Brno-mesto
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 24 37 15 10 12 18 47 19 18 48 40 26 25 36 93 94 27 14 22 41 17 22 23 37 35 57 71 58 103 38 25 37.15 102.87 31.00
2 30 24 40 82 113 109 78 33 53 152 123 34 29 26 24 32 22 83 78 51 24 45 45 42 38 37 21 16 ~ ~ ~ 53.07 152.49 28.00
3 15 16 14 19 22 13 10 11 21 35 32 32 16 17 26 19 46 38 18 20 14 15 26 17 27 41 26 33 19 17 36 22.94 45.77 31.00
4 46 43 18 20 31 44 18 27 29 11 11 9.00 40 34 12 30 26 19 24 32 29 20 23 20 24 12 10 11 12 11 ~ 23.27 46.22 30.00
5 8.95 13 23 14 26 17 15 11 11 15 17 27 17 15 13 11 15 17 16 19 19 16 18 19 19 26 12 9 15 12 16 16.18 26.87 31.00
6 26 18 20 21 10 7.31 8.31 14 23 10 19 13 11 17 14 12 15 16 15 15 21 21 19 21 32 17 12 16 20 16 ~ 16.62 31.91 30.00
7 14 21 15 10 10 11 15 15 15 22 9 11 8.85 24 21 15 17 11 19 10 9 12 15 16 16 15 9 16 15 18 29 14.94 28.94 31.00
8 10 10 11 14 17 25 25 23 15 23 20 16 16 22 21 26 24 24 28 25 11 7.74 16 17 22 21 21 14 17 27 44 19.76 43.60 31.00
9 34 18 13 17 10 17 13 11 11 9 12 9 22 18 11 19 22 24 15 13 13 23 26 23 14 15 37 34 41 20 ~ 18.77 40.68 30.00
10 21 23 20 27 46 36 36 15 18 15 12 17 47 29 66 39 29 29 49 37 40 52 34 34 26 46 24 15 15 11 13 29.79 65.94 31.00
11 13 38 23 39 27 22 56 72 53 31 42 109 52 19 35 58 42 49 86 23 25 36 84 141 95 79 79 51 57 35 ~ 52.32 141.11 30.00
12 30 50 32 35 27 12 20 34 53 82 79 42 28 43 155 38 111 51 26 24 39 83 44 19 20 18 21 19 53 29 19 43.08 155.00 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. 53 25 7 4 1 0 0 0 90 37 12 5 1 0 0 0 152
REL. 58.8 27.7 7.7 4.4 1.1 0.0 0.0 0.0 100.0 41.1 13.3 5.6 1.1 0.0 0.0 0.010.2
ID 58 27 7 8 5 0 0 0 108
ABS. 86 5 0 0 0 0 0 0 91 5 0 0 0 0 0 0 46
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 1.4
ID 94 5 0 0 0 0 0 0 100
ABS. 87 5 0 0 0 0 0 0 92 5 0 0 0 0 0 0 44
REL. 94.5 5.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 5.4 0.0 0.0 0.0 0.0 0.0 0.0 31.8
ID 94 5 0 0 0 0 0 0 100
ABS. 41 38 9 3 1 0 0 0 92 51 13 4 1 0 0 0 155
REL 44.5 41.3 9.7 3.2 1.0 0.0 0.0 0.0100.0 55.4 14.1 4.3 1.1 0.0 0.0 0.015.12
ID 44 41 9 6 5 0 0 0 107
Year
ABS. 267 73 16 7 2 0 0 0 365 98 25 9 2 0 0 0 155
REL. 73.1 20.0 4.3 1.9 0.5 0.0 0.0 0.0100.0 26.8 6.8 2.5 0.5 0.0 0.0 0.015.12
ID 73 20 4 3 2 0 0 0 104

Note:

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