Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1067 - Frydek-Mistek
Code:CZFMCMFMI
Institution:CHMI
Region:Severomoravsky
District:Frydek-Mistek
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 32 20 11 7.12 13 18 19 13 26 44 60 70 102 53 118 53 25 11 16 41 36 18 28 44 52 84 87 49 67 30 42 41.62 118.35 31.00
2 69 46 26 81 72 127 39 32 34 52 38 32 49 30 23 27 38 31 48 83 43 48 97 36 43 36 20 13 ~ ~ ~ 46.88 127.04 28.00
3 12 16 14 15 16 17 12 13 34 47 23 29 23 19 24 38 51 42 21 38 26 32 35 43 42 40 35 37 40 55 33 29.79 55.39 31.00
4 34 31 22 14 33 37 13 18 37 11 13 7.07 15 26 12 26 18 21 20 43 43 41 33 24 26 17 8.85 ~ ~ 14 ~ 23.49 43.18 28.00
5 6.37 6.18 15 18 21 17 19 8.61 9 14 13 25 33 ~ 29 21 12 28 33 22 16 11 10 10 12 12 11 18 9 9 10 15.98 33.47 30.00
6 15 14 23 21 12 10 11 24 33 14 24 19 16 19 14 13 17 27 24 16 12 19 20 20 36 45 ~ ~ 15 15 ~ 19.63 45.08 28.00
7 15 17 14 11 11 12 23 24 18 21 10 10 10 ~ ~ 15 22 10 13 14 19 ~ ~ 22 19 21 18 18 19 18 22 16.50 23.79 27.00
8 13 11 21 23 20 13 15 14 17 15 22 27 18 19 13 15 22 24 32 19 13 11 13 13 15 23 22 17 16 14 26 17.95 32.45 31.00
9 23 19 35 30 20 19 16 19 19 16 12 12 20 14 13 18 19 34 21 24 30 38 49 39 42 23 38 49 30 21 ~ 25.42 49.21 30.00
10 17 ~ 44 25 40 29 32 110 44 12 10 18 35 ~ 28 45 11 19 36 35 16 28 35 25 12 22 18 8.93 15 12 11 27.36 110.24 29.00
11 8.65 20 13 29 23 19 44 57 74 42 40 36 61 31 27 40 30 35 41 49 30 63 89 106 129 168 84 89 47 26 ~ 51.80 167.88 30.00
12 31 53 165 68 29 16 27 42 47 57 139 44 15 46 55 36 46 77 26 18 50 61 48 12 13 19 25 40 126 90 34 50.16 164.91 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. 41 37 9 3 0 0 0 0 90 49 12 3 0 0 0 0 127
REL. 45.5 41.1 10.0 3.3 0.0 0.0 0.0 0.0 100.0 54.4 13.3 3.3 0.0 0.0 0.0 0.06.2
ID 45 41 10 6 0 0 0 0 103
ABS. 77 9 0 0 0 0 0 0 86 9 0 0 0 0 0 0 45
REL. 89.5 10.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 10.5 0.0 0.0 0.0 0.0 0.0 0.0 26.6
ID 89 10 0 0 0 0 0 0 100
ABS. 80 8 0 0 0 0 0 0 88 8 0 0 0 0 0 0 49
REL. 90.9 9.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 9.1 0.0 0.0 0.0 0.0 0.0 0.0 28.9
ID 90 9 0 0 0 0 0 0 100
ABS. 42 34 7 5 2 0 0 0 90 48 14 7 2 0 0 0 168
REL 46.6 37.7 7.7 5.5 2.2 0.0 0.0 0.0100.0 53.3 15.6 7.8 2.2 0.0 0.0 0.026.11
ID 46 37 7 11 11 0 0 0 114
Year
ABS. 240 88 16 8 2 0 0 0 354 114 26 10 2 0 0 0 168
REL. 67.7 24.8 4.5 2.2 0.5 0.0 0.0 0.0100.0 32.2 7.3 2.8 0.6 0.0 0.0 0.026.11
ID 67 24 4 4 2 0 0 0 104

Note:

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