Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
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
1 216 103 89 32 49 56 169 35 48 172 158 241 171 191 152 194 60 84 89 45 33 36 36 35 34 102 172 123 131 69 61 102.77 241.00 31.00
2 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
3 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
4 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
5 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
6 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
7 37 34 30 19 19 24 31 25 23 27 34 28 28 53 48 43 33 23 34 57 26 47 38 30 25 35 50 29 35 35 55 34.03 57.00 31.00
8 21 23 43 45 36 53 59 63 32 58 105 57 56 57 47 45 80 44 51 73 42 31 32 52 28 47 30 36 24 28 54 46.84 105.00 31.00
9 43 56 30 29 25 36 53 105 54 66 47 34 46 ~ 45 72 74 56 60 73 ~ ~ ~ 116 109 189 133 99 143 76 ~ 71.88 189.00 26.00
10 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
11 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
12 51 158 75 71 38 38 38 77 280 306 100 156 60 133 268 76 285 351 106 38 51 113 116 66 69 50 154 95 110 58 20 116.35 351.00 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. 2 11 4 4 8 2 0 0 311 29 18 14 10 2 0 0 241
REL. 6.4 35.4 12.9 12.9 25.8 6.4 0.0 0.0 100.0 93.5 58.1 45.2 32.3 6.5 0.0 0.012.1
ID 6 35 12 25 129 161 0 0 370
ABS. 0 0 0 0 0 0 0 0 02 0 0 0 0 0 0 0 0
ABS. 28 46 7 6 1 0 0 0 88 60 14 7 1 0 0 0 189
REL. 31.8 52.2 7.9 6.8 1.1 0.0 0.0 0.0100.0 68.2 15.9 8.0 1.1 0.0 0.0 0.0 26.9
ID 31 52 7 13 5 0 0 0 111
ABS. 1 10 7 5 3 3 2 0 311 30 20 13 8 5 2 0 351
REL 3.2 32.2 22.5 16.1 9.6 9.6 6.4 0.0100.0 96.8 64.5 41.9 25.8 16.1 6.5 0.018.12
ID 3 32 22 32 48 241 806 0 1187
Year
ABS. 31 67 18 15 12 5 2 0 1501 119 52 34 19 7 2 0 351
REL. 20.6 44.6 12.0 10.0 8.0 3.3 1.3 0.0100.0 79.3 34.7 22.7 12.7 4.7 1.3 0.018.12
ID 20 44 12 20 40 83 166 0 387

Note:

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