Detailed overview of ambient air pollution valuis from individual stations

927 - Mezibori

Year: 1997
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
1 136 127 21 24 32 143 57 31 26 55 53 39 73 157 275 ~ 235 173 65 59 62 31 35 96 69 188 162 43 56 71 47 88.03 275.00 30.00
2 204 ~ 181 70 ~ 147 139 20 7.00 39 110 62 25 222 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 21 174 ~ ~ ~ 101.50 222.00 14.00
3 142 258 91 240 63 35 262 258 156 271 280 293 107 101 30 136 117 113 74 53 76 163 113 68 78 131 188 163 152 181 206 148.35 293.00 31.00
4 258 277 210 11 4.00 4.00 4.00 4.00 9.00 3.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 5.00 4.00 4.00 4.00 4.00 9.00 6.00 ~ 29.07 277.00 30.00
5 5.00 12 14 15 17 14 9.00 8.00 6.00 7.00 15 15 24 23 24 34 38 39 30 25 16 11 8.00 5.00 6.00 9.00 5.00 4.00 5.00 4.00 4.00 14.55 39.00 31.00
6 4.00 6.00 7.00 8.00 9.00 7.00 10 12 12 19 23 20 17 19 12 9.00 9.00 8.00 8.00 7.00 10 6.00 6.00 4.00 6.00 9.00 12 11 14 17 ~ 10.70 23.00 30.00
7 11 13 15 11 8.00 7.00 6.00 8.00 10 12 13 14 ~ 18 13 12 16 11 6.00 5.00 6.00 9.00 14 11 11 6.00 8.00 9.00 13 14 13 10.77 18.00 30.00
8 7.00 10 13 15 14 16 16 21 22 28 31 33 37 42 32 39 41 23 14 197 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 32.55 197.00 20.00
9 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 42 26 22 31 45 40 31 40 50 27 41 51 29 ~ 36.54 51.00 13.00
10 26 23 21 22 29 51 56 37 24 23 20 19 17 15 17 21 62 57 69 75 26 45 23 20 15 13 27 25 36 41 24 31.58 75.00 31.00
11 34 27 18 23 29 46 38 32 33 31 47 27 19 22 28 21 16 16 16 35 65 86 30 36 20 37 42 37 47 55 ~ 33.77 86.00 30.00
12 32 16 26 18 18 13 ~ 42 69 25 13 11 8.00 10 9.00 12 10 9.00 12 14 22 37 33 19 12 11 11 15 13 15 52 20.23 69.00 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. 11 16 10 14 12 12 0 0 75 64 48 38 24 12 0 0 293
REL. 14.6 21.3 13.3 18.6 16.0 16.0 0.0 0.0 100.0 85.3 64.0 50.7 32.0 16.0 0.0 0.012.3
ID 14 21 13 37 80 400 0 0 566
ABS. 85 3 0 0 0 3 0 0 91 6 3 3 3 3 0 0 277
REL. 93.4 3.2 0.0 0.0 0.0 3.2 0.0 0.0 100.0 6.6 3.3 3.3 3.3 3.3 0.0 0.0 2.4
ID 93 3 0 0 0 82 0 0 179
ABS. 51 11 0 0 1 0 0 0 63 12 1 1 1 0 0 0 197
REL. 80.9 17.4 0.0 0.0 1.5 0.0 0.0 0.0100.0 19.0 1.6 1.6 1.6 0.0 0.0 0.0 20.8
ID 80 17 0 0 7 0 0 0 106
ABS. 64 23 4 0 0 0 0 0 91 27 4 0 0 0 0 0 86
REL 70.3 25.2 4.3 0.0 0.0 0.0 0.0 0.0100.0 29.7 4.4 0.0 0.0 0.0 0.0 0.022.11
ID 70 25 4 0 0 0 0 0 100
Year
ABS. 211 53 14 14 13 15 0 0 320 109 56 42 28 15 0 0 293
REL. 65.9 16.5 4.3 4.3 4.0 4.6 0.0 0.0100.0 34.1 17.5 13.1 8.7 4.7 0.0 0.0 12.3
ID 65 16 4 8 20 117 0 0 233

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