Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 927 - Mezibori
Code:CZMOHSMEZ
Institution:Public Health Service
Region:Severocesky
District:Most
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 34 62 72 94 101 217 75 77 56 35 54 64 90 64 54 105 138 190 176 182 293 312 193 148 139 52 68 87 40 34 68 108.84 312.00 31.00
2 121 66 75 63 26 24 41 45 122 112 88 43 33 37 141 68 33 43 155 86 52 37 37 42 41 150 150 71 ~ ~ ~ 71.50 155.00 28.00
3 77 95 65 110 57 59 52 61 92 124 48 108 102 108 44 40 84 90 77 35 40 53 42 68 109 121 66 42 38 66 74 72.48 124.00 31.00
4 57 66 56 43 35 67 40 32 44 38 31 47 40 31 58 42 23 27 40 63 93 65 67 50 35 59 37 41 41 65 ~ 47.77 93.00 30.00
5 50 33 66 30 32 30 46 58 42 77 35 39 29 38 23 23 44 32 30 62 41 27 25 58 49 41 57 63 43 47 44 42.39 77.00 31.00
6 47 69 29 28 31 23 ~ ~ ~ ~ 33 32 31 32 34 35 40 27 27 33 28 25 36 60 46 52 38 42 53 50 ~ 37.73 69.00 26.00
7 36 41 46 48 41 32 30 38 28 24 27 38 66 35 30 32 39 55 64 63 44 37 32 26 40 44 32 30 30 38 34 38.71 66.00 31.00
8 33 46 53 58 78 42 59 43 51 52 45 39 40 51 27 34 34 59 40 38 27 24 75 65 70 77 75 37 29 54 56 48.74 78.00 31.00
9 29 32 62 54 32 53 56 47 72 75 61 62 89 107 117 83 94 66 40 37 61 85 77 85 98 53 68 84 63 48 ~ 66.33 117.00 30.00
10 40 60 75 62 44 44 46 78 34 24 43 59 78 48 62 47 40 76 61 52 46 46 35 40 59 37 27 45 39 24 3.00 47.55 78.00 31.00
11 3.00 ~ ~ ~ ~ ~ ~ ~ ~ 18 30 52 28 10 21 23 35 17 21 25 20 18 25 37 71 55 47 66 28 41 ~ 31.41 71.00 22.00
12 17 10 16 16 9.00 18 19 16 21 24 16 9.00 11 18 16 17 23 13 11 12 19 35 38 23 25 21 20 18 15 13 23 18.13 38.00 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. 4 39 21 18 5 2 1 0 90 86 47 26 8 3 1 0 312
REL. 4.4 43.3 23.3 20.0 5.5 2.2 1.1 0.0 100.0 95.6 52.2 28.9 8.9 3.3 1.1 0.022.1
ID 4 43 23 40 27 55 138 0 333
ABS. 29 53 5 0 0 0 0 0 87 58 5 0 0 0 0 0 93
REL. 33.3 60.9 5.7 0.0 0.0 0.0 0.0 0.0 100.0 66.7 5.7 0.0 0.0 0.0 0.0 0.0 21.4
ID 33 60 5 0 0 0 0 0 100
ABS. 20 54 16 2 0 0 0 0 92 72 18 2 0 0 0 0 117
REL. 21.7 58.6 17.3 2.1 0.0 0.0 0.0 0.0100.0 78.3 19.6 2.2 0.0 0.0 0.0 0.0 15.9
ID 21 58 17 4 0 0 0 0 102
ABS. 47 32 5 0 0 0 0 0 84 37 5 0 0 0 0 0 78
REL 55.9 38.0 5.9 0.0 0.0 0.0 0.0 0.0100.0 44.0 6.0 0.0 0.0 0.0 0.0 0.0 8.10
ID 55 38 5 0 0 0 0 0 100
Year
ABS. 100 178 47 20 5 2 1 0 353 253 75 28 8 3 1 0 312
REL. 28.3 50.4 13.3 5.6 1.4 0.5 0.2 0.0100.0 71.7 21.2 7.9 2.3 0.8 0.3 0.0 22.1
ID 28 50 13 11 7 14 35 0 160

Note:

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