Detailed overview of ambient air pollution valuis from individual stations


Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1130 - Brno-Turany
Code:CZBMCMTUR
Institution:Czech Hydrometeorological Institute
Region:Jihomoravsky
District:Brno-mesto
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 18 12 33 116 81 83 84 34 47 33 30 42 51 48 21 24 29 33 ~ ~ 34 86 57 93 30 31 14 23 50 66 139 49.70 139.28 29.00
2 118 46 17 63 33 30 41 26 20 11 14 13 26 15 36 26 19 34 18 15 24 16 9 10 53 18 13 22 ~ ~ ~ 28.03 118.19 28.00
3 25 22 20 28 38 59 17 31 13 34 20 19 45 36 24 49 15 21 26 32 31 16 10 8.36 14 16 18 29 40 39 27 26.54 59.31 31.00
4 28 18 17 20 16 15 23 24 22 21 16 11 12 17 38 42 28 29 31 22 20 26 26 23 43 17 15 11 20 12 ~ 22.15 43.44 30.00
5 10 10 10 8.68 12 20 14 14 11 9 11 19 21 26 23 27 18 12 12 17 11 10 15 21 19 17 19 16 21 23 25 16.18 27.50 31.00
6 10 18 20 19 8.86 10 16 14 14 14 21 16 25 17 15 17 26 17 15 14 13 14 12 19 24 19 17 28 15 17 ~ 16.84 27.95 30.00
7 9 13 10 15 9 10 27 15 11 10 14 12 12 14 14 20 21 14 23 17 17 24 29 16 16 19 15 24 16 20 22 16.37 29.50 31.00
8 21 21 17 13 24 20 21 23 15 8.44 8.46 11 12 16 18 19 14 23 19 13 23 37 25 16 16 14 11 27 31 41 15 19.07 40.90 31.00
9 13 17 18 15 18 27 21 21 17 19 18 20 26 16 15 41 56 44 22 21 20 26 18 18 26 45 18 15 32 50 ~ 24.47 55.81 30.00
10 50 41 70 38 19 10 24 25 26 25 17 17 21 21 19 24 27 31 26 39 53 68 52 35 21 11 10 15 38 65 55 31.94 69.89 31.00
11 37 23 19 22 14 41 22 48 20 47 79 36 24 16 8.45 7.05 51 49 28 45 39 23 38 18 14 17 41 21 26 25 ~ 29.97 78.98 30.00
12 27 19 66 66 44 29 23 21 42 58 90 25 34 75 38 26 46 47 85 80 86 63 57 62 36 18 20 60 38 29 16 46.00 89.96 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. 57 23 5 3 0 0 0 0 88 31 8 3 0 0 0 0 139
REL. 64.7 26.1 5.6 3.4 0.0 0.0 0.0 0.0 100.0 35.2 9.1 3.4 0.0 0.0 0.0 0.031.1
ID 64 26 5 6 0 0 0 0 103
ABS. 88 3 0 0 0 0 0 0 91 3 0 0 0 0 0 0 43
REL. 96.7 3.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 3.3 0.0 0.0 0.0 0.0 0.0 0.0 25.4
ID 96 3 0 0 0 0 0 0 100
ABS. 85 7 0 0 0 0 0 0 92 7 0 0 0 0 0 0 56
REL. 92.3 7.6 0.0 0.0 0.0 0.0 0.0 0.0100.0 7.6 0.0 0.0 0.0 0.0 0.0 0.0 17.9
ID 92 7 0 0 0 0 0 0 100
ABS. 48 36 8 0 0 0 0 0 92 44 8 0 0 0 0 0 90
REL 52.1 39.1 8.6 0.0 0.0 0.0 0.0 0.0100.0 47.8 8.7 0.0 0.0 0.0 0.0 0.011.12
ID 52 39 8 0 0 0 0 0 100
Year
ABS. 278 69 13 3 0 0 0 0 363 85 16 3 0 0 0 0 139
REL. 76.5 19.0 3.5 0.8 0.0 0.0 0.0 0.0100.0 23.4 4.4 0.8 0.0 0.0 0.0 0.0 31.1
ID 76 19 3 1 0 0 0 0 100

Note:

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