Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1075 - Olomouc
Code:CZOLCMOLO
Institution:Czech Hydrometeorological Institute
Region:Severomoravsky
District:Olomouc
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 24 24 38 81 97 53 62 96 67 37 36 31 52 43 41 56 73 90 49 37 35 28 36 27 37 49 49 34 7.58 11 25 45.97 97.46 31.00
2 67 59 47 90 7.27 9 19 37 40 17 13 11 10 15 41 44 15 40 51 57 30 28 20 20 24 64 59 65 ~ ~ ~ 35.69 89.55 28.00
3 39 46 48 21 27 24 14 33 47 50 34 27 25 24 23 14 21 37 34 13 33 70 29 50 26 21 22 19 16 22 23 30.18 70.40 31.00
4 25 17 14 19 27 38 18 17 29 18 16 29 35 17 21 37 16 16 12 23 25 31 22 12 14 17 14 12 13 19 ~ 20.76 37.86 30.00
5 17 9 23 10 10 24 19 14 21 19 14 14 20 31 7.64 12 11 27 15 23 24 9 8.42 14 24 12 18 21 11 13 14 16.39 30.61 31.00
6 12 17 17 20 14 9 12 15 13 15 14 8.52 7.91 11 8.81 10 11 10 7.66 13 11 6.07 10 10 14 10 17 11 11 11 ~ 11.96 19.99 30.00
7 12 8.14 11 10 8.07 7.57 7.48 9 8.02 6.47 11 23 15 12 12 10 9 12 21 15 17 13 11 6.50 9 10 6.47 8.15 11 10 11 11.01 22.87 31.00
8 12 19 11 25 19 15 8.82 15 14 ~ ~ ~ 22 19 26 26 25 27 30 26 13 13 18 30 39 31 34 13 12 17 14 20.46 39.15 28.00
9 13 26 21 21 32 34 23 18 16 11 16 21 32 39 48 47 35 29 11 13 23 33 32 35 16 26 36 28 21 25 ~ 26.12 47.72 30.00
10 18 18 13 20 17 30 37 43 17 26 67 38 46 33 23 9 21 59 42 30 43 27 22 35 45 46 31 42 69 44 74 34.93 74.49 31.00
11 112 81 22 58 59 29 18 27 44 49 32 42 29 20 34 50 45 64 30 23 36 28 22 19 69 60 36 41 34 36 ~ 41.74 111.97 30.00
12 56 35 37 24 24 32 44 67 86 128 46 34 44 45 48 34 62 46 44 71 42 116 117 30 27 32 43 31 43 49 49 51.10 128.38 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. 43 38 9 0 0 0 0 0 90 47 9 0 0 0 0 0 97
REL. 47.7 42.2 10.0 0.0 0.0 0.0 0.0 0.0 100.0 52.2 10.0 0.0 0.0 0.0 0.0 0.05.1
ID 47 42 10 0 0 0 0 0 100
ABS. 88 3 0 0 0 0 0 0 91 3 0 0 0 0 0 0 38
REL. 96.7 3.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 3.3 0.0 0.0 0.0 0.0 0.0 0.0 6.4
ID 96 3 0 0 0 0 0 0 100
ABS. 79 10 0 0 0 0 0 0 89 10 0 0 0 0 0 0 48
REL. 88.7 11.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 11.2 0.0 0.0 0.0 0.0 0.0 0.0 15.9
ID 88 11 0 0 0 0 0 0 100
ABS. 35 45 8 4 0 0 0 0 92 57 12 4 0 0 0 0 128
REL 38.0 48.9 8.6 4.3 0.0 0.0 0.0 0.0100.0 62.0 13.0 4.3 0.0 0.0 0.0 0.010.12
ID 38 48 8 8 0 0 0 0 104
Year
ABS. 245 96 17 4 0 0 0 0 362 117 21 4 0 0 0 0 128
REL. 67.6 26.5 4.6 1.1 0.0 0.0 0.0 0.0100.0 32.3 5.8 1.1 0.0 0.0 0.0 0.010.12
ID 67 26 4 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