Detailed overview of ambient air pollution valuis from individual stations

1062 - Ostrava-Por./V.obvod

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1062 - Ostrava-Por./V.obvod
Code:CZOSCMPO5
Institution:CHMI
Region:Severomoravsky
District:Ostrava-mesto
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 95 152 102 85 52 145 214 379 284 124 101 81 53 79 70 73 42 30 31 65 110 37 28 97 82 146 65 63 96 56 45 99.46 379.38 31.00
2 25 76 48 40 47 58 35 41 45 52 47 30 26 30 22 21 73 24 40 25 23 26 24 24 17 ~ ~ 25 ~ ~ ~ 36.26 76.49 26.00
3 39 26 57 46 78 57 46 79 65 92 42 71 52 54 26 20 33 31 30 35 58 40 96 49 72 65 57 18 17 16 52 49.03 95.96 31.00
4 65 56 38 19 11 9 25 36 43 33 15 11 29 29 21 23 25 32 30 32 62 67 41 24 31 46 46 25 25 29 ~ 32.66 67.30 30.00
5 27 30 27 36 21 14 24 40 29 28 47 49 44 74 56 35 37 55 39 39 32 38 39 14 37 43 38 22 26 17 14 34.51 74.27 31.00
6 29 44 40 53 57 43 30 32 47 42 43 56 35 18 24 30 43 35 45 34 23 20 24 28 37 39 35 34 49 28 ~ 36.58 57.49 30.00
7 32 52 27 28 14 8.72 19 ~ 16 28 26 19 28 35 30 33 36 43 15 22 33 38 59 33 34 15 27 35 44 36 23 29.60 58.68 30.00
8 24 23 31 39 39 40 37 39 26 32 43 48 38 36 34 22 32 41 41 49 52 53 36 40 41 44 42 58 28 16 24 37.12 58.17 31.00
9 52 65 64 56 46 26 41 25 20 33 42 26 22 45 51 38 31 35 35 31 57 51 43 47 45 43 35 42 40 54 ~ 41.42 65.21 30.00
10 44 21 31 23 56 94 41 49 30 25 18 27 53 39 38 50 71 30 27 35 59 74 53 32 21 27 34 82 63 121 90 47.02 121.12 31.00
11 50 45 44 102 68 25 29 29 30 79 118 48 54 27 63 41 41 52 84 103 83 104 108 125 151 140 87 107 62 119 ~ 73.98 151.49 30.00
12 105 66 63 48 48 53 38 50 53 44 50 70 24 43 102 78 150 36 36 155 98 151 89 40 24 23 32 57 88 56 28 64.40 155.03 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- 33 34- 67 68- 100 101- 150 151- 200 201- 300 301- 400 over 400 33 67 100 150 200 300 400
ABS. 26 35 17 6 1 2 1 0 88 62 27 10 4 3 1 0 379
REL. 29.5 39.7 19.3 6.8 1.1 2.2 1.1 0.0 100.0 70.5 30.7 11.4 4.5 3.4 1.1 0.08.1
ID 29 39 19 13 5 56 142 0 306
ABS. 44 45 2 0 0 0 0 0 91 47 2 0 0 0 0 0 74
REL. 48.3 49.4 2.1 0.0 0.0 0.0 0.0 0.0 100.0 51.6 2.2 0.0 0.0 0.0 0.0 0.0 14.5
ID 48 49 2 0 0 0 0 0 100
ABS. 37 54 0 0 0 0 0 0 91 54 0 0 0 0 0 0 65
REL. 40.6 59.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 59.3 0.0 0.0 0.0 0.0 0.0 0.0 2.9
ID 40 59 0 0 0 0 0 0 100
ABS. 22 39 15 12 4 0 0 0 92 70 31 16 4 0 0 0 155
REL 23.9 42.3 16.3 13.0 4.3 0.0 0.0 0.0100.0 76.1 33.7 17.4 4.3 0.0 0.0 0.020.12
ID 23 42 16 26 21 0 0 0 130
Year
ABS. 129 173 34 18 5 2 1 0 362 233 60 26 8 3 1 0 379
REL. 35.6 47.7 9.3 4.9 1.3 0.5 0.2 0.0100.0 64.4 16.6 7.2 2.2 0.8 0.3 0.0 8.1
ID 35 47 9 9 6 13 34 0 158

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