Detailed overview of ambient air pollution valuis from individual stations

509 - Opava-Nakladni ul.

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 509 - Opava-Nakladni ul.
Code:CZOPHSONA
Institution:Public Health Service
Region:Severomoravsky
District:Opava
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ 54 46 46 46 73 154 90 107 43 43 43 79 45 50 64 32 32 32 62 53 79 49 47 47 47 64 67 49 55 33 57.70 154.00 30.00
2 33 33 58 69 62 60 35 35 35 65 38 41 49 27 27 27 47 33 50 50 33 33 33 51 69 60 48 34 ~ ~ ~ 44.11 69.00 28.00
3 34 34 77 57 49 51 36 36 36 65 23 49 39 21 21 21 59 41 33 29 25 25 25 39 57 43 ~ ~ ~ ~ ~ 39.42 77.00 26.00
4 56 40 45 17 17 17 48 42 32 39 19 19 19 33 35 43 37 29 29 29 35 37 52 29 27 27 27 29 39 ~ ~ 32.66 56.00 29.00
5 ~ ~ ~ ~ 23 26 24 24 5.00 5.00 5.00 12 13 11 11 15 15 15 23 13 7.00 13 5.00 5.00 5.00 12 6.00 7.00 5.00 8.00 8.00 11.89 26.00 27.00
6 8.00 10 17 11 17 17 17 17 21 31 31 54 28 28 28 24 21 13 25 12 12 12 13 21 13 25 15 15 15 26 ~ 19.90 54.00 30.00
7 37 20 13 11 11 11 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 17.17 37.00 6.00

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. 22 52 8 1 1 0 0 0 84 62 10 2 1 0 0 0 154
REL. 26.1 61.9 9.5 1.1 1.1 0.0 0.0 0.0 100.0 73.8 11.9 2.4 1.2 0.0 0.0 0.07.1
ID 26 61 9 2 5 0 0 0 105
ABS. 72 14 0 0 0 0 0 0 86 14 0 0 0 0 0 0 56
REL. 83.7 16.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 16.3 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 83 16 0 0 0 0 0 0 100
ABS. 5 1 0 0 0 0 0 0 62 1 0 0 0 0 0 0 37
REL. 83.3 16.6 0.0 0.0 0.0 0.0 0.0 0.0100.0 16.7 0.0 0.0 0.0 0.0 0.0 0.0 1.7
ID 83 16 0 0 0 0 0 0 100
ABS. 0 0 0 0 0 0 0 0 02 0 0 0 0 0 0 0 0
Year
ABS. 99 67 8 1 1 0 0 0 1761 77 10 2 1 0 0 0 154
REL. 56.2 38.0 4.5 0.5 0.5 0.0 0.0 0.0100.0 43.8 5.7 1.1 0.6 0.0 0.0 0.0 7.1
ID 56 38 4 1 2 0 0 0 102

Note:

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

Detailed overview of ambient air pollution valuis from individual stations - selection station