Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NO-nitrogen monoxide
Station:1129 - Brno-Kroftova
Code:CZBMCMKRO
Institution:CHMI
Region:Jihomoravsky
District:Brno-mesto
IHd: 150
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 12 25 12 11 17 16 120 60 4.93 27 15 12 7.21 20 108 47 29 15 14 16 8.60 15 14 11 11 52 64 29 31 56 7.69 28.58 120.40 31.00
2 10 14 23 79 40 100 42 21 74 81 107 50 6.72 13 22 37 11 34 34 72 30 15 15 28 25 37 28 6.78 ~ ~ ~ 37.68 106.63 28.00
3 21 19 19 15 4.21 7.83 11 11 8.12 13 7.62 21 7.59 3.82 6.95 12 31 27 6.00 6.58 5.51 11 12 7.48 8.76 13 20 12 25 17 15 13.03 31.21 31.00
4 14 22 26 3.72 11 14 16 9 13 2.03 13 3.86 7.36 22 4.02 13 15 5.31 5.15 10 7.72 12 20 4.87 10 2.17 1.90 2.57 6.02 1.77 ~ 9.97 26.40 30.00
5 1.43 10 10 5.10 8.32 13 18 6.19 4.56 6.51 12 9 6.76 5.71 5.50 4.62 5.37 8.05 6.77 5.45 6.98 4.26 5.30 12 10 15 15 1.69 4.52 3.61 8.25 7.68 17.82 31.00
6 7.01 7.96 9 6.91 4.94 1.05 1.86 4.52 6.95 3.56 10 6.83 2.76 7.31 10 8.81 6.48 5.73 4.10 5.14 8.86 6.24 6.11 8.52 11 9 7.15 5.95 11 7.68 ~ 6.72 10.72 30.00
7 7.24 5.52 5.98 2.36 3.03 5.99 5.28 5.47 5.02 8.12 2.99 8.31 7.59 10 7.74 6.51 7.47 4.63 6.84 10 2.91 3.48 5.40 5.96 6.45 5.16 3.38 6.23 7.64 12 11 6.32 11.84 31.00
8 3.54 3.48 4.66 3.87 5.47 8.41 7.85 7.47 3.98 5.05 7.20 3.90 4.41 5.24 5.15 8.42 7.68 7.37 5.69 11 6.82 3.71 10 10 7.66 11 10 5.52 4.82 11 19 7.10 19.14 31.00
9 14 6.17 2.55 14 1.78 20 4.90 5.06 4.21 1.68 2.28 3.26 11 15 10 21 25 11 7.45 6.52 8.03 10 17 27 5.60 17 23 12 20 12 ~ 11.18 26.51 30.00
10 12 16 16 9 22 32 15 6.81 15 15 16 10 17 31 73 29 26 21 28 28 30 78 58 23 27 51 30 12 8.13 6.62 11 24.89 78.35 31.00
11 3.37 50 21 61 35 25 25 40 31 32 22 57 17 4.91 18 29 14 23 39 11 8.90 45 128 202 62 67 41 20 26 21 ~ 39.32 202.42 30.00
12 14 57 16 20 22 6.88 8.36 8.32 19 35 23 8.48 14 34 120 26 97 64 18 51 31 57 28 2.34 3.40 4.15 3.90 7.51 55 15 2.24 28.12 120.03 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- 50 51- 100 101- 150 151- 225 226- 300 301- 450 451- 600 over 600 50 100 150 225 300 450 600
ABS. 78 9 3 0 0 0 0 0 90 12 3 0 0 0 0 0 120
REL. 86.6 10.0 3.3 0.0 0.0 0.0 0.0 0.0 100.0 13.3 3.3 0.0 0.0 0.0 0.0 0.07.1
ID 86 10 3 0 0 0 0 0 100
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 26
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.4
ID 100 0 0 0 0 0 0 0 100
ABS. 92 0 0 0 0 0 0 0 92 0 0 0 0 0 0 0 27
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 24.9
ID 100 0 0 0 0 0 0 0 100
ABS. 74 15 2 1 0 0 0 0 92 18 3 1 0 0 0 0 202
REL 80.4 16.3 2.1 1.0 0.0 0.0 0.0 0.0100.0 19.6 3.3 1.1 0.0 0.0 0.0 0.024.11
ID 80 16 2 2 0 0 0 0 101
Year
ABS. 335 24 5 1 0 0 0 0 365 30 6 1 0 0 0 0 202
REL. 91.7 6.5 1.3 0.2 0.0 0.0 0.0 0.0100.0 8.2 1.6 0.3 0.0 0.0 0.0 0.024.11
ID 91 6 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