Detailed overview of ambient air pollution valuis from individual stations


Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1326 - Velke Mezirici
Code:CZZRCMVME
Institution:Czech Hydrometeorological Institute
Region:Jihomoravsky
District:Zdar nad Sazavou
IHd: 100
Measure method:guajacol (modif. Jakobs-Hochheiser) - spectrophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 14 15 20 27 30 27 23 35 24 16 13 26 23 24 20 5.00 37 36 19 18 20 37 15 20 34 40 24 32 22 22 32 24.19 40.00 31.00
2 42 38 39 23 19 14 24 36 40 36 22 20 24 26 50 16 10 30 38 36 15 31 38 35 58 39 58 64 ~ ~ ~ 32.89 64.00 28.00
3 36 33 54 16 31 24 33 41 38 27 34 47 33 26 51 27 24 35 40 26 19 33 36 47 44 28 10 21 31 39 58 33.61 58.00 31.00
4 43 37 30 7.00 25 39 36 38 33 30 24 27 32 26 25 34 20 23 37 37 23 26 34 24 22 26 32 31 32 26 ~ 29.30 43.00 30.00
5 ~ 24 22 13 10 16 10 9.00 16 29 29 27 30 38 19 24 16 25 20 19 26 22 31 41 32 39 30 35 27 27 33 24.63 41.00 30.00
6 34 24 36 33 11 25 25 24 29 28 25 22 27 30 30 42 38 22 22 21 31 28 29 35 32 19 29 31 32 38 ~ 28.40 42.00 30.00
7 20 34 17 12 13 24 24 32 21 12 19 20 25 38 30 13 24 25 23 28 30 33 28 22 28 40 28 29 29 34 21 25.03 40.00 31.00
8 22 30 26 33 23 31 23 20 30 31 29 37 35 31 22 27 36 21 31 39 22 25 29 44 51 14 22 57 27 35 40 30.42 57.00 31.00
9 30 34 29 25 18 19 38 45 48 41 25 28 34 31 32 37 31 4.00 24 9.00 26 22 26 26 20 22 25 32 31 27 ~ 27.97 48.00 30.00
10 33 17 28 37 39 39 31 38 18 26 32 36 31 32 35 25 24 31 32 28 16 18 18 28 35 36 36 36 37 16 31 29.65 39.00 31.00
11 30 37 39 34 20 25 16 42 40 33 35 29 19 27 103 26 48 57 67 50 46 55 43 46 59 72 14 17 12 30 ~ 39.03 103.00 30.00
12 35 39 27 25 27 40 34 38 30 33 8.00 32 37 40 50 61 48 29 72 59 68 79 29 15 19 22 39 31 49 49 40 38.84 79.00 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. 55 35 0 0 0 0 0 0 90 35 0 0 0 0 0 0 64
REL. 61.1 38.8 0.0 0.0 0.0 0.0 0.0 0.0 100.0 38.9 0.0 0.0 0.0 0.0 0.0 0.028.2
ID 61 38 0 0 0 0 0 0 100
ABS. 71 19 0 0 0 0 0 0 90 19 0 0 0 0 0 0 43
REL. 78.8 21.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 21.1 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 78 21 0 0 0 0 0 0 100
ABS. 72 20 0 0 0 0 0 0 92 20 0 0 0 0 0 0 57
REL. 78.2 21.7 0.0 0.0 0.0 0.0 0.0 0.0100.0 21.7 0.0 0.0 0.0 0.0 0.0 0.0 28.8
ID 78 21 0 0 0 0 0 0 100
ABS. 46 40 5 1 0 0 0 0 92 46 6 1 0 0 0 0 103
REL 50.0 43.4 5.4 1.0 0.0 0.0 0.0 0.0100.0 50.0 6.5 1.1 0.0 0.0 0.0 0.015.11
ID 50 43 5 2 0 0 0 0 101
Year
ABS. 244 114 5 1 0 0 0 0 364 120 6 1 0 0 0 0 103
REL. 67.0 31.3 1.3 0.2 0.0 0.0 0.0 0.0100.0 33.0 1.6 0.3 0.0 0.0 0.0 0.015.11
ID 67 31 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