Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 267 - Teplice-OHS
Code:CZTPHSTHS
Institution:Public Health Service
Region:Ustecky
District:Teplice
IHd: 100
Measure method:triethanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 44 23 97 364 460 210 119 162 218 283 269 204 150 123 90 72 ~ 70 92 9.00 31 39 125 89 56 19 23 41 29 107 116 124.47 460.00 30.00
2 144 153 149 193 239 85 40 34 27 20 36 10 26 36 128 46 126 74 20 26 30 45 9.00 12 95 50 32 35 ~ ~ ~ 68.57 239.00 28.00
3 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
4 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
5 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
6 14 31 31 26 10 18 28 16 35 34 37 47 28 30 41 27 40 29 22 20 25 27 18 31 38 47 40 20 20 62 ~ 29.73 62.00 30.00
7 40 43 30 36 36 25 38 42 31 23 41 37 22 20 170 88 69 24 12 16 12 10 22 26 25 39 46 33 36 24 32 37.03 170.00 31.00
8 56 29 28 19 32 40 26 30 33 20 22 29 17 26 28 28 30 31 42 39 35 31 34 29 26 33 26 38 39 60 24 31.61 60.00 31.00
9 30 48 38 45 48 59 44 47 60 45 37 33 58 28 20 37 34 44 50 43 33 36 32 22 32 46 23 42 56 84 ~ 41.80 84.00 30.00
10 101 109 106 39 26 24 28 36 47 29 23 22 28 121 99 132 34 50 38 51 83 148 93 102 114 24 41 24 47 68 58 62.74 148.00 31.00
11 96 63 30 40 27 52 87 70 36 82 65 161 181 87 167 197 82 183 47 56 61 95 100 57 202 175 102 63 83 68 ~ 93.83 202.00 30.00
12 63 80 76 87 53 51 48 56 106 171 223 60 135 62 52 137 170 59 180 135 161 81 78 46 41 41 68 84 252 101 50 97.00 252.00 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. 16 12 9 10 3 6 1 1 581 42 30 21 11 8 2 1 460
REL. 27.5 20.6 15.5 17.2 5.1 10.3 1.7 1.7 100.0 72.4 51.7 36.2 19.0 13.8 3.4 1.75.1
ID 27 20 15 34 25 258 215 1077 1675
ABS. 20 10 0 0 0 0 0 0 301 10 0 0 0 0 0 0 62
REL. 66.6 33.3 0.0 0.0 0.0 0.0 0.0 0.0 100.0 33.3 0.0 0.0 0.0 0.0 0.0 0.0 30.6
ID 66 33 0 0 0 0 0 0 100
ABS. 48 40 3 0 1 0 0 0 92 44 4 1 1 0 0 0 170
REL. 52.1 43.4 3.2 0.0 1.0 0.0 0.0 0.0100.0 47.8 4.3 1.1 1.1 0.0 0.0 0.0 15.7
ID 52 43 3 0 5 0 0 0 104
ABS. 11 33 21 14 10 3 0 0 92 81 48 27 13 3 0 0 252
REL 11.9 35.8 22.8 15.2 10.8 3.2 0.0 0.0100.0 88.0 52.2 29.3 14.1 3.3 0.0 0.029.12
ID 11 35 22 30 54 81 0 0 236
Year
ABS. 95 95 33 24 14 9 1 1 272 177 82 49 25 11 2 1 460
REL. 34.9 34.9 12.1 8.8 5.1 3.3 0.3 0.3100.0 65.1 30.1 18.0 9.2 4.0 0.7 0.4 5.1
ID 34 34 12 17 25 82 45 229 483

Note:

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