Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1064 - Ostrava-Zabreh
Code:CZOSCMZAB
Institution:Czech Hydrometeorological Institute
Region:Severomoravsky
District:Ostrava-mesto
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 22 21 22 18 31 28 24 16 13 56 79 26 15 13 19 17 17 21 23 13 16 ~ ~ ~ ~ ~ ~ 23 11 9 12 22.68 78.53 25.00
2 22 24 21 16 17 15 18 11 11 16 55 34 12 20 17 26 55 68 23 34 33 31 36 22 19 18 19 10 15 ~ ~ 24.66 67.51 29.00
3 19 22 10 24 12 14 12 11 17 22 10 38 19 16 17 33 30 25 25 26 33 22 44 66 27 29 49 85 51 17 17 27.18 85.09 31.00
4 26 75 42 59 47 26 26 22 39 71 55 23 25 20 32 21 78 52 37 52 53 36 27 18 24 57 61 50 23 20 ~ 39.97 78.36 30.00
5 24 29 44 18 24 28 31 30 23 36 40 33 30 25 35 20 18 19 18 12 37 ~ ~ ~ ~ 64 17 25 15 25 31 27.71 64.15 27.00
6 30 12 16 20 35 26 14 44 48 32 25 35 30 34 26 17 13 25 23 22 ~ 37 28 23 18 29 17 25 25 15 ~ 25.57 47.63 29.00
7 24 38 32 14 8.19 18 27 18 15 26 14 21 31 11 21 20 13 19 16 34 25 19 41 45 27 20 24 14 10 20 23 22.22 45.37 31.00
8 37 ~ 21 27 25 30 33 24 28 23 ~ ~ ~ ~ 33 41 25 34 28 31 31 30 46 27 23 47 30 58 53 69 79 35.92 79.25 26.00
9 54 15 11 33 27 52 65 42 19 41 75 47 18 42 54 32 23 55 50 46 46 51 38 73 83 55 40 69 93 35 ~ 46.12 92.65 30.00
10 17 46 86 117 70 53 37 37 42 60 16 15 20 57 92 61 48 64 82 96 57 100 24 27 24 23 22 14 20 22 12 47.08 117.32 31.00
11 27 56 15 19 64 19 20 37 60 44 53 59 128 82 66 95 133 38 82 142 108 92 150 77 138 36 23 37 34 26 ~ 65.36 150.28 30.00
12 46 21 22 29 56 114 36 22 22 22 19 26 28 18 18 10 13 29 60 143 93 37 14 15 51 76 131 84 130 31 17 46.23 143.07 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. 70 12 3 0 0 0 0 0 85 15 3 0 0 0 0 0 85
REL. 82.3 14.1 3.5 0.0 0.0 0.0 0.0 0.0 100.0 17.6 3.5 0.0 0.0 0.0 0.0 0.028.3
ID 82 14 3 0 0 0 0 0 100
ABS. 57 26 3 0 0 0 0 0 86 29 3 0 0 0 0 0 78
REL. 66.2 30.2 3.4 0.0 0.0 0.0 0.0 0.0 100.0 33.7 3.5 0.0 0.0 0.0 0.0 0.0 17.4
ID 66 30 3 0 0 0 0 0 100
ABS. 51 29 7 0 0 0 0 0 87 36 7 0 0 0 0 0 93
REL. 58.6 33.3 8.0 0.0 0.0 0.0 0.0 0.0100.0 41.4 8.0 0.0 0.0 0.0 0.0 0.0 29.9
ID 58 33 8 0 0 0 0 0 100
ABS. 38 29 14 10 1 0 0 0 92 54 25 11 1 0 0 0 150
REL 41.3 31.5 15.2 10.8 1.0 0.0 0.0 0.0100.0 58.7 27.2 12.0 1.1 0.0 0.0 0.023.11
ID 41 31 15 21 5 0 0 0 115
Year
ABS. 216 96 27 10 1 0 0 0 350 134 38 11 1 0 0 0 150
REL. 61.7 27.4 7.7 2.8 0.2 0.0 0.0 0.0100.0 38.3 10.9 3.1 0.3 0.0 0.0 0.023.11
ID 61 27 7 5 1 0 0 0 104

Note:

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