Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1237 - Breclav-radnice
Code:CZBVUBBRA
Institution:MU-BRECLAV
Region:Jihomoravsky
District:Breclav
IHd: 100
Measure method:coulometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 13 8.02 29 58 68 65 40 57 62 30 17 33 21 22 30 22 31 50 38 42 34 32 25 14 12 26 20 27 29 28 41 33.02 68.17 31.00
2 22 15 35 35 34 41 35 44 46 49 52 63 52 43 59 58 57 52 58 55 68 51 41 31 37 63 55 56 ~ ~ ~ 46.66 67.65 28.00
3 80 73 62 81 75 58 67 76 75 90 86 86 77 80 112 91 84 62 61 110 87 80 113 129 124 128 132 62 92 146 153 91.29 152.82 31.00
4 159 113 114 106 90 84 104 105 113 126 123 90 88 103 137 82 85 91 83 99 115 100 112 112 72 130 172 177 110 115 ~ 110.30 176.60 30.00
5 119 96 80 103 95 116 94 140 133 113 115 96 106 133 121 85 68 97 117 43 23 4.56 14 38 ~ ~ ~ 30 31 22 21 80.50 140.40 28.00
6 5.44 11 29 30 22 12 18 17 21 15 41 73 58 57 87 88 98 102 104 70 76 102 102 95 89 89 89 79 103 108 ~ 63.09 108.31 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. 23 40 18 8 1 0 0 0 90 67 27 9 1 0 0 0 153
REL. 25.5 44.4 20.0 8.8 1.1 0.0 0.0 0.0 100.0 74.4 30.0 10.0 1.1 0.0 0.0 0.031.3
ID 25 44 20 17 5 0 0 0 113
ABS. 17 5 29 34 3 0 0 0 88 71 66 37 3 0 0 0 177
REL. 19.3 5.6 32.9 38.6 3.4 0.0 0.0 0.0 100.0 80.7 75.0 42.0 3.4 0.0 0.0 0.0 28.4
ID 19 5 32 77 17 0 0 0 152
ABS. 0 0 0 0 0 0 0 0 02 0 0 0 0 0 0 0 0
ABS. 0 0 0 0 0 0 0 0 02 0 0 0 0 0 0 0 0
Year
ABS. 40 45 47 42 4 0 0 0 1781 138 93 46 4 0 0 0 177
REL. 22.4 25.2 26.4 23.5 2.2 0.0 0.0 0.0100.0 77.5 52.2 25.8 2.2 0.0 0.0 0.0 28.4
ID 22 25 26 47 11 0 0 0 132

Note:

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