Detailed overview of ambient air pollution valuis from individual stations

1061 - Ostrava-Fifejdy

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1061 - Ostrava-Fifejdy
Code:CZOSCMFIF
Institution:CHMI
Region:Severomoravsky
District:Ostrava-mesto
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 81 129 68 68 40 137 179 440 286 91 57 56 41 65 57 62 32 21 20 52 85 48 23 88 57 163 90 53 73 42 38 88.52 440.01 31.00
2 27 75 37 35 36 ~ 25 32 36 42 33 27 21 26 31 27 100 26 50 28 21 30 22 29 23 19 38 23 ~ ~ ~ 34.04 100.19 27.00
3 35 21 49 46 111 46 55 81 64 71 33 77 37 42 23 15 22 23 25 33 48 31 67 41 51 49 42 23 16 15 43 43.08 111.30 31.00
4 83 75 35 19 14 11 30 50 29 29 22 ~ ~ 21 20 21 21 29 26 33 36 45 49 21 26 33 42 18 18 23 ~ 31.42 83.16 28.00
5 21 23 27 26 17 13 17 27 16 31 16 62 32 78 52 28 37 35 24 29 27 28 22 12 37 43 26 14 18 11 8.37 27.61 78.34 31.00
6 15 39 43 51 45 25 15 25 42 60 40 31 31 13 23 22 41 35 23 18 19 17 18 31 42 26 33 37 33 24 ~ 30.56 59.58 30.00
7 20 22 27 14 11 7.22 ~ ~ 10 35 23 21 23 41 30 33 21 20 8.71 11 23 44 61 45 25 11 25 39 53 39 17 26.23 61.15 29.00
8 16 17 23 50 37 31 27 27 21 21 35 65 49 35 27 17 25 37 28 37 81 57 18 48 40 33 33 37 20 9 23 33.01 80.89 31.00
9 91 45 57 76 60 21 31 18 25 29 57 22 14 68 96 48 27 25 26 41 91 63 28 53 37 33 34 45 29 47 ~ 44.62 95.84 30.00
10 31 24 20 13 58 124 40 30 23 17 12 22 32 24 29 47 110 18 17 28 100 75 38 25 18 21 25 84 46 104 53 42.09 124.37 31.00
11 43 34 37 82 73 22 33 26 20 135 154 66 35 21 112 32 27 35 62 127 64 99 113 101 87 114 57 87 46 109 ~ 68.40 153.71 30.00
12 108 47 50 35 38 35 27 37 37 30 34 38 15 21 26 32 109 44 28 122 84 126 65 30 16 14 17 48 69 36 19 46.34 125.66 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. 34 34 13 4 2 1 0 1 89 55 21 8 4 2 1 1 440
REL. 38.2 38.2 14.6 4.4 2.2 1.1 0.0 1.1 100.0 61.8 23.6 9.0 4.5 2.2 1.1 1.18.1
ID 38 38 14 8 11 28 0 702 841
ABS. 63 23 3 0 0 0 0 0 89 26 3 0 0 0 0 0 83
REL. 70.7 25.8 3.3 0.0 0.0 0.0 0.0 0.0 100.0 29.2 3.4 0.0 0.0 0.0 0.0 0.0 1.4
ID 70 25 3 0 0 0 0 0 100
ABS. 51 33 6 0 0 0 0 0 90 39 6 0 0 0 0 0 96
REL. 56.6 36.6 6.6 0.0 0.0 0.0 0.0 0.0100.0 43.3 6.7 0.0 0.0 0.0 0.0 0.0 15.9
ID 56 36 6 0 0 0 0 0 100
ABS. 38 29 10 14 1 0 0 0 92 54 25 15 1 0 0 0 154
REL 41.3 31.5 10.8 15.2 1.0 0.0 0.0 0.0100.0 58.7 27.2 16.3 1.1 0.0 0.0 0.011.11
ID 41 31 10 30 5 0 0 0 119
Year
ABS. 186 119 32 18 3 1 0 1 360 174 55 23 5 2 1 1 440
REL. 51.6 33.0 8.8 5.0 0.8 0.2 0.0 0.2100.0 48.3 15.3 6.4 1.4 0.6 0.3 0.3 8.1
ID 51 33 8 10 4 6 0 173 288

Note:

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

Detailed overview of ambient air pollution valuis from individual stations - selection station