Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1410 - Ostrava - Privoz
Code:CZOSCMOPR
Institution:Czech Hydrometeorological Institute
Region:Moravskoslezsky
District:Ostrava-mesto
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 33 12 61 191 107 78 106 60 63 68 51 61 67 66 51 53 60 48 56 40 61 59 70 54 45 36 33 36 48 55 77 61.49 190.82 31.00
2 55 38 47 63 79 88 74 40 33 31 31 31 38 34 118 156 51 87 63 34 25 32 30 28 70 39 40 39 ~ ~ ~ 53.32 155.84 28.00
3 46 37 33 83 110 46 36 51 31 51 45 79 67 50 43 37 45 51 55 52 57 13 12 10 17 19 21 57 99 77 52 47.73 110.17 31.00
4 27 37 31 34 25 24 38 54 41 38 74 48 38 27 49 49 33 34 26 21 19 38 24 27 39 44 23 22 26 51 ~ 35.30 74.14 30.00
5 26 44 50 21 32 30 35 32 55 29 21 33 43 36 27 37 19 20 14 24 40 32 33 18 18 22 31 41 17 22 26 29.96 54.81 31.00
6 7.82 18 28 38 25 24 24 11 13 15 34 36 22 27 17 17 26 40 40 28 16 20 14 ~ 25 42 28 31 15 31 ~ 24.61 41.91 29.00
7 21 19 29 33 21 16 25 32 31 27 15 24 13 12 19 20 38 22 16 18 17 18 22 16 20 13 16 17 22 30 30 21.70 37.62 31.00
8 30 17 19 18 18 18 25 23 39 20 22 23 20 8.90 10 21 17 18 21 49 80 47 54 46 37 52 53 58 63 36 30 32.01 79.78 31.00
9 11 25 39 43 60 23 21 24 39 51 25 27 37 27 8.55 27 38 36 38 36 27 42 29 28 23 46 24 26 51 77 ~ 33.65 76.82 30.00
10 84 81 46 36 29 19 31 43 53 45 34 22 39 42 35 41 38 32 32 73 76 71 56 64 51 20 15 18 71 55 62 45.71 84.03 31.00
11 45 26 27 39 32 79 98 64 27 51 78 157 94 110 42 19 45 84 78 77 112 170 47 139 193 198 74 97 96 46 ~ 81.36 197.82 30.00
12 74 81 59 61 40 40 43 34 89 190 123 164 87 107 98 102 50 39 72 56 77 69 52 80 119 28 34 52 52 43 38 72.68 189.94 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. 17 52 15 4 2 0 0 0 90 73 21 6 2 0 0 0 191
REL. 18.8 57.7 16.6 4.4 2.2 0.0 0.0 0.0 100.0 81.1 23.3 6.7 2.2 0.0 0.0 0.04.1
ID 18 57 16 8 11 0 0 0 113
ABS. 59 30 1 0 0 0 0 0 90 31 1 0 0 0 0 0 74
REL. 65.5 33.3 1.1 0.0 0.0 0.0 0.0 0.0 100.0 34.4 1.1 0.0 0.0 0.0 0.0 0.0 11.4
ID 65 33 1 0 0 0 0 0 100
ABS. 65 25 2 0 0 0 0 0 92 27 2 0 0 0 0 0 80
REL. 70.6 27.1 2.1 0.0 0.0 0.0 0.0 0.0100.0 29.3 2.2 0.0 0.0 0.0 0.0 0.0 21.8
ID 70 27 2 0 0 0 0 0 100
ABS. 15 39 25 7 6 0 0 0 92 77 38 13 6 0 0 0 198
REL 16.3 42.3 27.1 7.6 6.5 0.0 0.0 0.0100.0 83.7 41.3 14.1 6.5 0.0 0.0 0.026.11
ID 16 42 27 15 32 0 0 0 133
Year
ABS. 156 146 43 11 8 0 0 0 364 208 62 19 8 0 0 0 198
REL. 42.8 40.1 11.8 3.0 2.1 0.0 0.0 0.0100.0 57.1 17.0 5.2 2.2 0.0 0.0 0.026.11
ID 42 40 11 6 10 0 0 0 111

Note:

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