Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
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 26 27 43 30 18 31 37 33 31 61 53 39 34 56 70 64 26 19 19 14 15 21 16 15 17 33 19 21 44 18 17 31.19 70.00 31.00
2 26 27 19 43 37 34 25 30 92 24 65 47 53 42 96 81 33 18 28 19 19 17 27 33 47 75 40 14 ~ ~ ~ 39.72 96.03 28.00
3 23 21 29 37 27 22 14 13 43 18 22 19 33 24 27 33 25 33 24 17 31 36 39 22 27 19 14 16 12 45 30 25.61 44.85 31.00
4 61 24 22 16 35 25 17 16 32 32 41 22 12 12 9 23 31 22 20 20 13 16 26 45 20 45 25 20 8.68 9 ~ 23.98 61.16 30.00
5 10 14 17 14 13 12 12 16 22 20 17 11 17 8.65 19 19 25 18 15 29 15 18 ~ 22 16 15 19 21 18 19 19 17.00 28.77 30.00
6 16 8.60 9 14 27 14 27 19 14 17 17 23 18 25 16 15 19 15 13 14 16 13 7.50 15 19 33 24 18 21 13 ~ 17.34 32.91 30.00
7 16 13 15 17 12 6.92 6.74 9 12 13 18 16 17 9 7.60 14 20 14 13 15 12 10 16 14 20 23 20 17 19 21 23 14.73 22.90 31.00
8 20 14 11 14 19 19 19 13 25 20 11 25 29 27 8.73 11 13 12 18 20 18 17 21 31 21 32 16 26 25 10 15 18.73 31.58 31.00
9 12 31 21 22 28 28 20 12 6.98 13 18 27 21 24 22 26 15 26 11 21 20 19 13 55 33 23 23 19 17 15 ~ 21.30 54.54 30.00
10 20 18 43 45 38 30 12 31 54 70 69 62 46 32 37 50 31 25 20 ~ ~ 55 35 34 29 18 17 33 61 45 86 39.51 85.83 29.00
11 17 49 32 20 46 64 19 15 34 24 23 45 29 29 93 82 61 19 50 47 43 19 15 15 22 73 25 49 67 31 ~ 38.55 93.32 30.00
12 21 23 33 30 40 56 48 36 70 71 123 53 48 158 79 35 89 48 27 42 33 41 21 25 12 53 63 18 16 12 22 46.60 158.23 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. 62 23 5 0 0 0 0 0 90 28 5 0 0 0 0 0 96
REL. 68.8 25.5 5.5 0.0 0.0 0.0 0.0 0.0 100.0 31.1 5.6 0.0 0.0 0.0 0.0 0.015.2
ID 68 25 5 0 0 0 0 0 100
ABS. 85 5 0 0 0 0 0 0 90 5 0 0 0 0 0 0 61
REL. 94.4 5.5 0.0 0.0 0.0 0.0 0.0 0.0 100.0 5.6 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. 91 1 0 0 0 0 0 0 92 1 0 0 0 0 0 0 55
REL. 98.9 1.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 24.9
ID 98 1 0 0 0 0 0 0 100
ABS. 42 35 11 1 1 0 0 0 90 48 13 2 1 0 0 0 158
REL 46.6 38.8 12.2 1.1 1.1 0.0 0.0 0.0100.0 53.3 14.4 2.2 1.1 0.0 0.0 0.014.12
ID 46 38 12 2 5 0 0 0 105
Year
ABS. 280 64 16 1 1 0 0 0 362 82 18 2 1 0 0 0 158
REL. 77.3 17.6 4.4 0.2 0.2 0.0 0.0 0.0100.0 22.7 5.0 0.6 0.3 0.0 0.0 0.014.12
ID 77 17 4 1 0 0 0 101

Note:

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