Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 790 - Kralupy
Code:CZMEKKKRA
Institution:Kaucuk Kralupy a.s.
Region:Stredocesky
District:Melnik
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ ~ 29 37 ~ 48 77 ~ ~ ~ 51 ~ ~ 40 107 ~ 92 75 89 71 93 64 60 49 62 84 57 26 26 ~ 61.94 107.28 20.00
2 ~ 73 83 41 13 13 27 53 146 165 99 34 23 47 73 45 22 37 93 62 28 38 31 40 37 83 86 ~ ~ ~ ~ 57.38 165.35 26.00
3 ~ 56 56 ~ ~ ~ 39 53 70 78 33 ~ ~ 35 46 25 62 76 65 20 30 47 32 65 ~ 80 25 17 44 83 84 50.90 84.17 24.00
4 80 67 62 40 43 55 51 47 66 42 36 37 43 35 47 37 22 29 48 64 60 71 66 42 41 58 49 55 55 83 ~ 51.03 82.85 30.00
5 63 43 56 38 25 32 34 44 51 65 54 ~ ~ ~ 34 35 35 45 45 83 76 63 59 53 56 56 55 66 74 79 69 53.28 83.13 28.00
6 55 55 39 30 20 14 28 36 31 19 36 27 18 32 27 32 36 30 23 17 27 23 30 44 27 21 15 27 34 28 ~ 29.33 55.11 30.00
7 29 35 18 8.03 ~ ~ ~ ~ ~ ~ ~ ~ 21 23 29 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 31 32 ~ ~ 25.13 34.52 9.00
8 ~ ~ ~ ~ 60 35 31 19 ~ ~ ~ ~ ~ 25 14 31 29 35 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 83 36.22 82.88 10.00
9 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
10 ~ ~ ~ ~ ~ ~ 50 53 22 22 45 87 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 46.35 86.83 6.00
11 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 63 60 80 89 73 67 84 106 266 205 95 104 111 81 ~ 106.04 266.41 14.00
12 59 45 34 29 17 43 35 47 56 70 45 ~ ~ ~ ~ ~ ~ 46 38 54 95 113 88 44 42 65 93 82 102 ~ ~ 58.40 112.90 23.00

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. 17 30 20 2 1 0 0 0 70 53 23 3 1 0 0 0 165
REL. 24.2 42.8 28.5 2.8 1.4 0.0 0.0 0.0 100.0 75.7 32.9 4.3 1.4 0.0 0.0 0.010.2
ID 24 42 28 5 7 0 0 0 108
ABS. 26 54 8 0 0 0 0 0 88 62 8 0 0 0 0 0 83
REL. 29.5 61.3 9.0 0.0 0.0 0.0 0.0 0.0 100.0 70.5 9.1 0.0 0.0 0.0 0.0 0.0 20.5
ID 29 61 9 0 0 0 0 0 100
ABS. 14 4 1 0 0 0 0 0 192 5 1 0 0 0 0 0 83
REL. 73.6 21.0 5.2 0.0 0.0 0.0 0.0 0.0100.0 26.3 5.3 0.0 0.0 0.0 0.0 0.0 31.8
ID 73 21 5 0 0 0 0 0 100
ABS. 4 19 13 5 0 2 0 0 431 39 20 7 2 2 0 0 266
REL 9.3 44.1 30.2 11.6 0.0 4.6 0.0 0.0100.0 90.7 46.5 16.3 4.7 4.7 0.0 0.025.11
ID 9 44 30 23 0 116 0 0 223
Year
ABS. 61 107 42 7 1 2 0 0 2201 159 52 10 3 2 0 0 266
REL. 27.7 48.6 19.0 3.1 0.4 0.9 0.0 0.0100.0 72.3 23.6 4.5 1.4 0.9 0.0 0.025.11
ID 27 48 19 6 2 22 0 0 126

Note:

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