Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1070 - Orlova
Code:CZKACMORL
Institution:CHMI
Region:Severomoravsky
District:Karvina
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 30 48 21 15 18 22 34 25 33 36 41 25 42 34 62 51 28 19 19 43 32 22 65 62 58 95 75 48 56 43 19 39.37 94.94 31.00
2 51 45 39 49 51 88 52 41 50 54 60 43 47 37 34 29 23 48 41 51 40 47 53 44 43 48 25 18 ~ ~ ~ 44.57 87.63 28.00
3 19 24 23 23 20 23 17 16 16 48 39 31 20 12 28 31 71 58 18 21 19 43 36 35 35 33 29 48 28 37 34 30.19 70.80 31.00
4 42 32 22 16 24 35 16 22 34 16 20 11 19 39 17 20 27 26 12 24 30 46 27 27 24 21 11 19 22 23 ~ 24.17 45.92 30.00
5 17 10 20 15 18 24 20 10 14 18 25 27 37 23 25 22 16 ~ 24 15 18 8.71 17 17 25 20 23 16 15 17 20 19.27 37.38 30.00
6 21 18 23 27 24 15 8.68 16 33 17 14 14 11 14 18 25 20 16 18 17 11 23 14 23 21 25 16 13 ~ 20 ~ 18.54 32.58 29.00
7 21 20 18 14 16 17 24 12 16 18 14 18 16 22 19 21 18 20 20 20 21 19 21 24 22 20 16 23 20 22 32 19.49 31.98 31.00
8 17 14 21 20 21 20 25 20 21 28 33 26 19 21 23 22 27 25 27 22 22 17 14 22 22 32 25 23 18 16 34 22.46 34.19 31.00
9 22 33 28 39 18 26 28 23 25 20 17 11 13 23 19 24 24 31 21 26 44 56 51 37 30 26 34 30 19 26 ~ 27.53 56.12 30.00
10 22 28 40 31 50 28 29 77 41 18 22 25 28 36 43 34 21 21 42 35 27 44 31 25 18 27 24 13 18 18 14 29.97 77.08 31.00
11 11 31 21 40 ~ ~ 33 32 69 42 33 40 50 31 26 23 15 26 46 36 31 35 66 92 72 123 81 76 28 30 ~ 44.25 122.92 28.00
12 39 54 101 77 41 28 31 40 48 66 75 48 28 53 68 29 62 57 36 25 38 60 44 21 31 35 30 28 125 55 38 48.63 124.93 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 49 4 0 0 0 0 0 90 53 4 0 0 0 0 0 95
REL. 41.1 54.4 4.4 0.0 0.0 0.0 0.0 0.0 100.0 58.9 4.4 0.0 0.0 0.0 0.0 0.026.1
ID 41 54 4 0 0 0 0 0 100
ABS. 83 6 0 0 0 0 0 0 89 6 0 0 0 0 0 0 46
REL. 93.2 6.7 0.0 0.0 0.0 0.0 0.0 0.0 100.0 6.7 0.0 0.0 0.0 0.0 0.0 0.0 22.4
ID 93 6 0 0 0 0 0 0 100
ABS. 85 7 0 0 0 0 0 0 92 7 0 0 0 0 0 0 56
REL. 92.3 7.6 0.0 0.0 0.0 0.0 0.0 0.0100.0 7.6 0.0 0.0 0.0 0.0 0.0 0.0 22.9
ID 92 7 0 0 0 0 0 0 100
ABS. 43 35 9 3 0 0 0 0 90 47 12 3 0 0 0 0 125
REL 47.7 38.8 10.0 3.3 0.0 0.0 0.0 0.0100.0 52.2 13.3 3.3 0.0 0.0 0.0 0.029.12
ID 47 38 10 6 0 0 0 0 103
Year
ABS. 248 97 13 3 0 0 0 0 361 113 16 3 0 0 0 0 125
REL. 68.6 26.8 3.6 0.8 0.0 0.0 0.0 0.0100.0 31.3 4.4 0.8 0.0 0.0 0.0 0.029.12
ID 68 26 3 1 0 0 0 0 100

Note:

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