Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1246 - Olomouc-radnice
Code:CZOLMOORA
Institution:MU-OLOMOUC
Region:Severomoravsky
District:Olomouc
IHd: 100
Measure method:coulometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 28 39 36 76 89 42 7.75 26 32 28 ~ 15 19 14 33 15 13 20 17 23 18 20 19 23 36 41 63 25 82 25 28 31.71 88.69 30.00
2 33 27 19 44 100 69 60 22 16 73 98 77 27 37 35 41 49 16 25 40 74 60 32 8.65 21 12 28 57 ~ ~ ~ 42.85 99.67 28.00
3 54 60 59 50 94 67 67 81 101 93 41 36 29 47 33 36 19 ~ 44 56 35 44 63 75 72 81 85 36 33 43 57 56.29 100.73 30.00
4 72 25 35 63 43 24 49 58 56 76 49 40 40 42 108 54 50 60 50 82 83 54 70 95 47 92 142 146 121 134 ~ 68.56 145.65 30.00
5 ~ 39 36 29 39 51 54 52 54 52 53 53 31 13 23 21 15 17 26 ~ ~ 30 32 27 35 ~ ~ ~ 31 43 40 35.84 54.04 25.00
6 38 38 31 31 39 ~ ~ ~ 37 48 48 38 ~ ~ 36 32 32 71 79 42 46 46 68 53 44 43 33 36 45 50 ~ 44.21 78.98 25.00
7 46 47 64 58 45 53 44 52 57 32 39 44 51 43 52 46 36 35 ~ ~ ~ 32 37 40 52 ~ ~ 33 25 21 34 43.02 64.19 26.00
8 ~ ~ ~ 36 27 33 30 16 24 34 20 46 41 32 23 22 ~ ~ ~ 41 34 30 26 31 24 23 17 13 13 47 67 30.07 66.71 25.00
9 40 47 47 ~ 35 31 37 24 33 ~ ~ 35 45 30 38 ~ ~ 30 38 24 16 57 97 93 53 24 50 60 65 79 ~ 45.11 96.58 25.00
10 53 51 38 50 58 53 62 72 40 62 63 55 52 38 38 40 27 27 28 38 37 33 27 25 26 34 28 17 14 11 25 39.38 72.02 31.00
11 29 32 31 35 29 31 29 37 37 27 33 43 37 25 25 39 36 50 45 35 33 39 48 43 38 42 38 37 31 31 ~ 35.48 49.73 30.00
12 32 39 37 26 28 28 41 44 45 40 53 39 34 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 37.42 52.79 13.00

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. 38 31 18 1 0 0 0 0 88 50 19 1 0 0 0 0 101
REL. 43.1 35.2 20.4 1.1 0.0 0.0 0.0 0.0 100.0 56.8 21.6 1.1 0.0 0.0 0.0 0.09.3
ID 43 35 20 2 0 0 0 0 101
ABS. 18 47 10 5 0 0 0 0 80 62 15 5 0 0 0 0 146
REL. 22.5 58.7 12.5 6.2 0.0 0.0 0.0 0.0 100.0 77.5 18.8 6.3 0.0 0.0 0.0 0.0 28.4
ID 22 58 12 12 0 0 0 0 106
ABS. 30 42 4 0 0 0 0 0 76 46 4 0 0 0 0 0 97
REL. 39.4 55.2 5.2 0.0 0.0 0.0 0.0 0.0100.0 60.5 5.3 0.0 0.0 0.0 0.0 0.0 23.9
ID 39 55 5 0 0 0 0 0 100
ABS. 29 44 1 0 0 0 0 0 74 45 1 0 0 0 0 0 72
REL 39.1 59.4 1.3 0.0 0.0 0.0 0.0 0.0100.0 60.8 1.4 0.0 0.0 0.0 0.0 0.0 8.10
ID 39 59 1 0 0 0 0 0 100
Year
ABS. 115 164 33 6 0 0 0 0 318 203 39 6 0 0 0 0 146
REL. 36.1 51.5 10.3 1.8 0.0 0.0 0.0 0.0100.0 63.8 12.3 1.9 0.0 0.0 0.0 0.0 28.4
ID 36 51 10 3 0 0 0 0 101

Note:

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