Detailed overview of ambient air pollution valuis from individual stations


Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 494 - Zlin-OSP
Code:CZZLHSZOS
Institution:Public Health Service
Region:Jihomoravsky
District:Zlin
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 31 38 39 75 59 43 48 42 41 40 43 32 35 29 35 36 37 63 43 35 40 31 30 29 43 51 55 58 26 25 24 40.52 75.00 31.00
2 126 92 65 55 26 25 24 39 50 44 37 34 33 32 47 48 31 50 46 45 44 60 49 58 54 46 45 44 ~ ~ ~ 48.18 126.00 28.00
3 43 33 38 21 26 27 28 45 50 73 30 41 40 39 41 28 39 45 39 38 37 51 36 45 39 25 24 23 29 40 38 37.13 73.00 31.00
4 50 46 45 33 32 36 51 47 39 38 37 41 48 39 38 42 41 40 25 34 31 38 36 35 34 42 37 30 38 23 ~ 38.20 51.00 30.00
5 21 22 39 28 35 22 21 20 19 26 34 25 23 23 21 20 29 46 40 32 23 24 25 30 38 34 32 26 25 24 31 27.68 46.00 31.00
6 18 38 24 19 18 17 30 28 37 40 24 23 22 44 ~ 29 36 19 18 17 25 ~ 30 30 25 24 23 33 29 39 ~ 27.11 44.00 28.00
7 32 32 20 21 28 29 42 26 23 22 21 41 29 36 31 26 25 24 ~ ~ 34 29 24 23 22 39 38 40 34 25 26 29.03 42.00 29.00
8 27 42 39 47 51 32 31 30 46 42 41 39 21 22 23 43 55 43 34 18 19 20 50 44 48 53 27 26 25 59 40 36.68 59.00 31.00
9 34 42 28 27 26 51 41 40 41 35 34 33 48 47 46 ~ 27 26 25 15 23 28 35 28 27 26 33 32 32 18 ~ 32.69 51.00 29.00
10 26 25 24 23 25 27 27 24 23 22 31 29 34 33 25 24 23 37 ~ ~ 91 36 35 34 41 56 48 47 25 24 23 32.48 91.00 29.00
11 119 107 67 92 34 33 32 54 97 90 53 41 40 39 56 57 42 46 31 30 29 42 21 21 52 41 40 39 58 22 ~ 50.83 119.00 30.00
12 36 29 27 26 25 35 23 76 73 68 67 66 78 37 51 41 46 47 48 89 61 111 46 44 45 44 50 53 53 58 ~ 51.77 111.00 30.00

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. 26 60 3 1 0 0 0 0 90 64 4 1 0 0 0 0 126
REL. 28.8 66.6 3.3 1.1 0.0 0.0 0.0 0.0 100.0 71.1 4.4 1.1 0.0 0.0 0.0 0.01.2
ID 28 66 3 2 0 0 0 0 101
ABS. 52 37 0 0 0 0 0 0 89 37 0 0 0 0 0 0 51
REL. 58.4 41.5 0.0 0.0 0.0 0.0 0.0 0.0 100.0 41.6 0.0 0.0 0.0 0.0 0.0 0.0 7.4
ID 58 41 0 0 0 0 0 0 100
ABS. 51 38 0 0 0 0 0 0 89 38 0 0 0 0 0 0 59
REL. 57.3 42.6 0.0 0.0 0.0 0.0 0.0 0.0100.0 42.7 0.0 0.0 0.0 0.0 0.0 0.0 30.8
ID 57 42 0 0 0 0 0 0 100
ABS. 32 43 11 3 0 0 0 0 89 57 14 3 0 0 0 0 119
REL 35.9 48.3 12.3 3.3 0.0 0.0 0.0 0.0100.0 64.0 15.7 3.4 0.0 0.0 0.0 0.0 1.11
ID 35 48 12 6 0 0 0 0 103
Year
ABS. 161 178 14 4 0 0 0 0 357 196 18 4 0 0 0 0 126
REL. 45.0 49.8 3.9 1.1 0.0 0.0 0.0 0.0100.0 54.9 5.0 1.1 0.0 0.0 0.0 0.0 1.2
ID 45 49 3 2 0 0 0 0 101

Note:

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