Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
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 48 22 12 10 9.00 9.00 17 10 10 15 35 52 48 62 42 27 13 14 14 10 9.00 9.00 9.00 11 13 25 35 17 9.00 2.00 2.00 20.00 62.00 31.00
2 1.00 38 38 28 34 17 36 11 27 34 29 11 11 12 9.00 57 38 52 22 26 36 38 26 23 27 24 32 28 ~ ~ ~ 27.32 57.00 28.00
3 29 29 28 29 ~ ~ ~ ~ 52 27 16 14 7.00 9.00 12 8.00 13 16 11 10 12 11 11 23 14 20 19 14 13 12 13 17.48 52.00 27.00
4 34 27 ~ 19 15 11 11 10 ~ 11 10 8.00 8.00 6.00 6.00 7.00 11 17 12 12 10 9.00 17 8.00 6.00 8.00 7.00 7.00 6.00 6.00 ~ 11.39 34.00 28.00
5 8.00 6.00 3.00 1.00 1.00 2.00 3.00 6.00 10 13 14 18 23 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 8.31 23.00 13.00
6 31 48 44 46 49 62 76 60 54 49 45 40 33 32 30 30 28 28 31 37 44 43 43 39 41 44 46 60 57 47 ~ 43.90 76.00 30.00
7 73 78 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 75.50 78.00 2.00
8 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
9 159 172 79 52 39 40 95 90 76 114 47 38 24 51 38 60 56 44 51 37 27 45 91 113 95 269 116 81 62 91 ~ 78.40 269.00 30.00
10 58 68 50 71 58 53 54 126 120 ~ 39 50 50 94 64 74 86 32 110 46 107 153 109 61 45 49 46 27 28 28 50 66.87 153.00 30.00
11 37 60 99 66 42 51 60 139 194 133 35 110 110 104 67 54 35 55 72 39 66 116 129 247 262 191 221 278 110 137 ~ 110.63 278.00 30.00
12 59 162 126 92 59 37 47 57 194 360 193 254 118 100 96 74 141 288 125 38 42 74 115 74 80 59 74 150 132 74 35 113.84 360.00 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. 68 18 0 0 0 0 0 0 86 18 0 0 0 0 0 0 62
REL. 79.0 20.9 0.0 0.0 0.0 0.0 0.0 0.0 100.0 20.9 0.0 0.0 0.0 0.0 0.0 0.014.1
ID 79 20 0 0 0 0 0 0 100
ABS. 48 22 1 0 0 0 0 0 71 23 1 0 0 0 0 0 76
REL. 67.6 30.9 1.4 0.0 0.0 0.0 0.0 0.0 100.0 32.4 1.4 0.0 0.0 0.0 0.0 0.0 7.6
ID 67 30 1 0 0 0 0 0 100
ABS. 2 14 10 3 2 1 0 0 321 30 16 6 3 1 0 0 269
REL. 6.2 43.7 31.2 9.3 6.2 3.1 0.0 0.0100.0 93.8 50.0 18.8 9.4 3.1 0.0 0.0 26.9
ID 6 43 31 18 31 78 0 0 209
ABS. 4 36 17 21 6 6 1 0 91 87 51 34 13 7 1 0 360
REL 4.3 39.5 18.6 23.0 6.5 6.5 1.0 0.0100.0 95.6 56.0 37.4 14.3 7.7 1.1 0.010.12
ID 4 39 18 46 32 164 137 0 443
Year
ABS. 122 90 28 24 8 7 1 0 280 158 68 40 16 8 1 0 360
REL. 43.5 32.1 10.0 8.5 2.8 2.5 0.3 0.0100.0 56.4 24.3 14.3 5.7 2.9 0.4 0.010.12
ID 43 32 10 17 14 62 44 0 224

Note:

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