Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
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 21 12 65 153 88 62 97 31 41 43 35 35 46 55 38 32 37 29 33 23 30 31 36 43 26 27 20 21 20 29 40 41.87 152.76 31.00
2 33 28 22 42 47 37 43 22 23 11 18 18 22 34 61 95 32 43 32 60 14 48 23 19 47 44 30 30 ~ ~ ~ 34.96 95.44 28.00
3 23 24 22 35 53 42 18 29 31 29 43 43 44 30 20 30 35 42 39 30 28 7.89 8.93 10 12 19 18 37 62 47 34 30.49 62.49 31.00
4 26 24 19 18 18 22 32 48 34 ~ 29 27 23 30 29 35 22 33 35 19 13 27 23 20 28 39 20 22 21 17 ~ 25.84 47.90 29.00
5 20 17 20 10 16 24 16 21 15 ~ 11 29 30 33 25 33 13 16 9 19 22 12 23 17 18 17 25 27 10 15 14 19.29 32.97 30.00
6 4.60 14 17 31 13 15 14 13 10 10 19 26 20 17 14 12 21 29 26 22 13 13 11 18 18 26 27 21 14 16 ~ 17.43 31.47 30.00
7 23 16 16 17 12 8.94 14 22 13 10 8.23 15 10 10 15 13 36 ~ 12 14 18 16 22 12 14 10 12 13 12 16 18 14.94 35.96 30.00
8 27 19 11 19 14 15 ~ ~ 29 13 11 13 18 3.28 2.93 12 18 17 15 21 30 38 35 24 29 29 20 33 54 29 21 21.45 54.47 29.00
9 10 20 22 22 32 20 22 20 41 48 27 23 35 26 7.79 25 36 36 44 43 24 34 19 23 25 51 22 28 46 53 ~ 29.55 53.17 30.00
10 74 79 46 43 30 40 25 37 49 25 16 13 32 55 43 44 37 30 33 34 61 60 53 47 72 14 32 15 44 42 44 40.90 79.37 31.00
11 49 25 23 23 25 56 102 55 37 35 58 66 66 83 47 31 39 86 68 61 94 47 37 35 45 63 80 89 100 48 ~ 55.76 102.38 30.00
12 62 69 49 48 32 21 27 16 62 180 113 138 102 152 101 82 53 35 55 59 69 79 48 90 109 26 35 47 50 42 29 67.12 180.46 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. 49 37 3 0 1 0 0 0 90 41 4 1 1 0 0 0 153
REL. 54.4 41.1 3.3 0.0 1.1 0.0 0.0 0.0 100.0 45.6 4.4 1.1 1.1 0.0 0.0 0.04.1
ID 54 41 3 0 5 0 0 0 104
ABS. 84 5 0 0 0 0 0 0 89 5 0 0 0 0 0 0 48
REL. 94.3 5.6 0.0 0.0 0.0 0.0 0.0 0.0 100.0 5.6 0.0 0.0 0.0 0.0 0.0 0.0 8.4
ID 94 5 0 0 0 0 0 0 100
ABS. 74 15 0 0 0 0 0 0 89 15 0 0 0 0 0 0 54
REL. 83.1 16.8 0.0 0.0 0.0 0.0 0.0 0.0100.0 16.9 0.0 0.0 0.0 0.0 0.0 0.0 29.8
ID 83 16 0 0 0 0 0 0 100
ABS. 22 47 14 7 2 0 0 0 92 70 23 9 2 0 0 0 180
REL 23.9 51.0 15.2 7.6 2.1 0.0 0.0 0.0100.0 76.1 25.0 9.8 2.2 0.0 0.0 0.010.12
ID 23 51 15 15 10 0 0 0 116
Year
ABS. 229 104 17 7 3 0 0 0 360 131 27 10 3 0 0 0 180
REL. 63.6 28.8 4.7 1.9 0.8 0.0 0.0 0.0100.0 36.4 7.5 2.8 0.8 0.0 0.0 0.010.12
ID 63 28 4 3 4 0 0 0 105

Note:

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