Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 267 - Teplice-OHS
Code:CZTPHSTOH
Institution:Public Health Service
Region:Severocesky
District:Teplice
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 20 40 74 152 283 353 146 111 43 31 43 27 78 45 61 250 111 218 98 144 148 124 101 137 122 79 112 80 27 19 43 107.10 353.00 31.00
2 149 83 70 42 9.00 24 47 48 134 221 98 30 23 48 169 69 18 48 150 81 51 41 39 46 57 220 218 128 ~ ~ ~ 84.32 221.00 28.00
3 49 142 144 145 99 80 62 88 120 99 30 108 203 84 38 35 92 132 62 19 43 54 40 140 154 104 24 18 41 99 119 86.03 203.00 31.00
4 86 77 48 15 47 53 41 34 74 47 24 32 38 26 ~ 30 19 47 84 92 84 103 52 49 44 58 48 50 69 66 ~ 53.00 103.00 29.00
5 26 28 45 18 27 35 34 50 58 42 38 58 46 34 21 40 45 30 25 32 79 32 40 53 50 42 47 39 42 39 34 39.65 79.00 31.00
6 28 37 45 45 36 26 74 57 54 33 32 32 24 30 34 41 39 34 31 29 28 26 44 50 28 32 30 54 50 47 ~ 38.33 74.00 30.00
7 43 56 34 24 17 18 29 34 18 15 19 22 46 35 40 45 37 43 40 ~ 37 34 26 19 48 19 39 42 38 44 41 33.40 56.00 30.00
8 44 51 49 52 62 54 43 46 52 53 38 50 70 43 26 40 51 46 56 44 18 36 54 64 53 35 36 20 41 52 75 46.90 75.00 31.00
9 28 25 50 30 34 48 64 76 74 94 58 65 68 102 84 106 61 45 21 20 74 66 95 84 86 65 112 72 57 46 ~ 63.67 112.00 30.00
10 61 84 50 74 55 45 78 83 41 37 45 91 134 55 94 64 69 125 122 92 35 40 63 65 147 99 50 105 102 148 92 78.87 148.00 31.00
11 262 50 142 124 108 68 86 134 69 53 45 56 60 ~ 154 66 80 67 66 70 60 72 131 230 318 312 162 210 82 125 ~ 119.38 318.00 29.00
12 62 34 54 72 26 47 48 90 136 135 109 44 55 83 47 72 53 45 36 54 168 172 111 36 62 77 100 61 66 59 100 74.65 172.00 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. 14 25 17 23 3 7 1 0 90 76 51 34 11 8 1 0 353
REL. 15.5 27.7 18.8 25.5 3.3 7.7 1.1 0.0 100.0 84.4 56.7 37.8 12.2 8.9 1.1 0.06.1
ID 15 27 18 51 16 194 138 0 463
ABS. 29 51 9 1 0 0 0 0 90 61 10 1 0 0 0 0 103
REL. 32.2 56.6 10.0 1.1 0.0 0.0 0.0 0.0 100.0 67.8 11.1 1.1 0.0 0.0 0.0 0.0 22.4
ID 32 56 10 2 0 0 0 0 101
ABS. 19 57 12 3 0 0 0 0 91 72 15 3 0 0 0 0 112
REL. 20.8 62.6 13.1 3.2 0.0 0.0 0.0 0.0100.0 79.1 16.5 3.3 0.0 0.0 0.0 0.0 27.9
ID 20 62 13 6 0 0 0 0 103
ABS. 1 39 25 17 4 3 2 0 91 90 51 26 9 5 2 0 318
REL 1.0 42.8 27.4 18.6 4.3 3.2 2.1 0.0100.0 98.9 56.0 28.6 9.9 5.5 2.2 0.025.11
ID 1 42 27 37 21 82 274 0 487
Year
ABS. 63 172 63 44 7 10 3 0 362 299 127 64 20 13 3 0 353
REL. 17.4 47.5 17.4 12.1 1.9 2.7 0.8 0.0100.0 82.6 35.1 17.7 5.5 3.6 0.8 0.0 6.1
ID 17 47 17 24 9 69 103 0 288

Note:

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