Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1063 - Ostrava-Radvanice
Code:CZOSCMRAD
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 38 25 38 107 51 23 41 20 37 57 60 28 33 73 114 110 93 101 130 49 56 60 59 40 51 39 31 32 47 39 ~ 56.11 130.15 30.00
2 ~ 27 44 ~ 52 40 45 47 34 19 40 31 24 55 59 108 40 13 28 24 20 22 27 40 51 69 44 18 ~ ~ ~ 39.35 108.43 26.00
3 33 31 38 41 22 35 57 36 53 30 28 36 36 27 28 31 24 32 23 23 30 46 40 33 26 18 15 21 21 33 21 31.31 57.10 31.00
4 48 45 47 33 44 45 19 11 13 23 42 26 8.53 17 42 37 30 27 26 22 10 10 30 34 24 33 26 21 15 11 ~ 27.26 47.82 30.00
5 25 14 17 20 16 7.53 10 14 24 20 8.29 12 20 29 20 21 23 13 17 20 10 12 24 33 13 18 17 21 15 19 20 17.88 33.24 31.00
6 15 32 15 13 29 23 27 22 10 13 15 16 23 26 15 17 18 10 7.02 8.27 16 15 9 24 23 21 20 14 15 17 ~ 17.68 32.25 30.00
7 17 7.49 15 25 18 11 17 18 19 22 25 18 16 15 10 12 12 19 25 13 5.39 7.14 10 8.56 8.86 16 21 14 15 19 19 15.47 25.45 31.00
8 15 24 27 12 16 26 24 26 23 25 8.95 19 25 19 27 22 19 15 25 29 8.81 14 19 20 27 27 29 17 24 23 24 21.24 29.30 31.00
9 19 17 23 ~ 10 18 19 12 15 31 26 28 34 36 25 24 23 24 20 35 34 18 16 25 16 20 38 19 25 29 ~ 23.38 37.96 29.00
10 32 26 30 42 39 28 21 54 49 54 39 46 28 35 45 63 39 39 39 28 27 28 20 31 40 32 23 26 40 32 39 35.91 62.67 31.00
11 25 27 33 27 34 47 29 39 11 44 34 48 44 32 42 39 47 30 39 26 47 31 18 13 14 50 57 50 71 24 ~ 35.62 70.85 30.00
12 26 39 40 44 44 75 56 85 106 90 105 48 65 83 57 20 67 48 34 33 46 31 22 28 32 27 48 31 18 18 14 47.69 106.09 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. 37 41 3 6 0 0 0 0 87 50 9 6 0 0 0 0 130
REL. 42.5 47.1 3.4 6.8 0.0 0.0 0.0 0.0 100.0 57.5 10.3 6.9 0.0 0.0 0.0 0.019.1
ID 42 47 3 13 0 0 0 0 106
ABS. 82 9 0 0 0 0 0 0 91 9 0 0 0 0 0 0 48
REL. 90.1 9.8 0.0 0.0 0.0 0.0 0.0 0.0 100.0 9.9 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 90 9 0 0 0 0 0 0 100
ABS. 86 5 0 0 0 0 0 0 91 5 0 0 0 0 0 0 38
REL. 94.5 5.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 5.5 0.0 0.0 0.0 0.0 0.0 0.0 27.9
ID 94 5 0 0 0 0 0 0 100
ABS. 41 44 5 2 0 0 0 0 92 51 7 2 0 0 0 0 106
REL 44.5 47.8 5.4 2.1 0.0 0.0 0.0 0.0100.0 55.4 7.6 2.2 0.0 0.0 0.0 0.0 9.12
ID 44 47 5 4 0 0 0 0 102
Year
ABS. 246 99 8 8 0 0 0 0 361 115 16 8 0 0 0 0 130
REL. 68.1 27.4 2.2 2.2 0.0 0.0 0.0 0.0100.0 31.9 4.4 2.2 0.0 0.0 0.0 0.0 19.1
ID 68 27 2 4 0 0 0 0 102

Note:

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