Detailed overview of ambient air pollution valuis from individual stations

788 - Libis

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 788 - Libis
Code:CZMESNLIB
Institution:Spolana Neratovice a.s.
Region:Stredocesky
District:Melnik
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 42 ~ 33 43 21 24 ~ 64 61 48 51 25 35 68 76 63 84 39 0.00 2.66 2.67 0.52 36 105 115 96 103 52 2.69 16 32 46.22 114.54 29.00
2 36 62 105 58 42 43 53 89 82 72 ~ 37 18 38 34 31 50 36 32 27 19 36 54 39 17 19 29 46 ~ ~ ~ 44.69 105.10 27.00
3 46 25 49 53 59 69 79 87 59 ~ 84 94 59 31 30 23 20 19 ~ 91 125 100 67 86 41 128 28 12 16 25 29 56.30 128.17 29.00
4 52 55 43 16 20 15 27 30 100 113 16 15 20 23 36 73 103 78 ~ 95 73 77 94 70 ~ ~ ~ ~ ~ ~ ~ 54.05 112.88 23.00
5 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
6 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 43 31 31 24 30 30 24 42 ~ ~ 20 ~ 30.53 42.79 9.00
7 35 90 28 ~ ~ 5.17 13 15 34 33 38 ~ 24 ~ 31 31 43 19 7.23 11 24 37 50 32 26 12 16 38 35 27 31 29.17 89.50 27.00
8 32 40 30 84 42 29 30 35 ~ ~ ~ 45 60 53 36 20 20 51 34 40 35 56 43 47 43 44 ~ 15 30 30 57 40.01 83.67 27.00
9 56 52 28 23 16 10 6.67 5.15 5.79 6.42 4.02 4.65 4.06 5.00 5.54 5.30 3.96 3.81 3.67 3.54 4.92 4.40 3.52 1.58 0.21 0.00 0.72 0.44 0.00 0.00 ~ 8.95 55.77 30.00
10 12 13 30 22 41 92 71 77 20 26 15 ~ 37 45 65 108 66 63 83 81 58 122 129 43 23 37 91 105 167 124 136 66.74 166.60 30.00
11 112 119 59 82 66 149 205 89 62 79 124 60 57 ~ 60 25 38 81 83 107 72 69 61 83 74 64 58 72 74 46 ~ 80.32 205.48 29.00
12 45 31 51 29 65 35 66 51 100 56 33 28 13 31 33 92 38 16 75 77 77 95 123 25 15 12 15 60 37 54 ~ 49.33 123.23 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. 30 33 16 6 0 0 0 0 85 55 22 6 0 0 0 0 128
REL. 35.2 38.8 18.8 7.0 0.0 0.0 0.0 0.0 100.0 64.7 25.9 7.1 0.0 0.0 0.0 0.026.3
ID 35 38 18 14 0 0 0 0 107
ABS. 16 6 7 3 0 0 0 0 321 16 10 3 0 0 0 0 113
REL. 50.0 18.7 21.8 9.3 0.0 0.0 0.0 0.0 100.0 50.0 31.3 9.4 0.0 0.0 0.0 0.0 10.4
ID 50 18 21 18 0 0 0 0 109
ABS. 55 27 2 0 0 0 0 0 84 29 2 0 0 0 0 0 90
REL. 65.4 32.1 2.3 0.0 0.0 0.0 0.0 0.0100.0 34.5 2.4 0.0 0.0 0.0 0.0 0.0 2.7
ID 65 32 2 0 0 0 0 0 100
ABS. 21 31 22 13 1 1 0 0 89 68 37 15 2 1 0 0 205
REL 23.5 34.8 24.7 14.6 1.1 1.1 0.0 0.0100.0 76.4 41.6 16.9 2.2 1.1 0.0 0.0 7.11
ID 23 34 24 29 5 28 0 0 146
Year
ABS. 122 97 47 22 1 1 0 0 290 168 71 24 2 1 0 0 205
REL. 42.0 33.4 16.2 7.5 0.3 0.3 0.0 0.0100.0 57.9 24.5 8.3 0.7 0.3 0.0 0.0 7.11
ID 42 33 16 15 1 8 0 0 117

Note:

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

Detailed overview of ambient air pollution valuis from individual stations - selection station