Detailed overview of ambient air pollution valuis from individual stations


Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1195 - Svitavy
Code:CZSYHSSVI
Institution:Public Health Service
Region:Vychodocesky
District:Svitavy
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 16 17 17 11 13 13 28 15 18 61 25 27 28 35 65 39 40 16 22 34 24 36 36 43 64 137 99 70 79 48 64 40.01 137.09 31.00
2 39 51 42 159 150 97 51 46 73 167 138 28 32 32 31 50 26 61 64 75 38 70 95 50 44 38 29 12 ~ ~ ~ 63.87 166.92 28.00
3 18 15 21 18 13 15 12 12 18 66 37 27 21 16 40 36 46 30 19 22 17 30 48 38 49 63 32 51 36 58 74 32.27 74.06 31.00
4 57 61 34 22 29 35 29 26 36 22 28 16 28 47 25 28 42 23 23 39 32 39 58 28 33 19 17 22 22 34 ~ 31.75 60.54 30.00
5 19 18 20 21 29 34 29 30 27 33 41 33 36 22 20 20 24 34 35 32 18 16 16 20 32 34 39 16 26 17 23 26.23 40.64 31.00
6 19 22 29 32 24 15 14 17 28 17 20 18 14 22 22 15 33 26 18 21 29 25 17 22 23 37 15 15 23 28 ~ 22.07 37.12 30.00
7 17 22 21 14 12 14 24 18 17 23 12 14 14 27 28 15 21 10 22 35 22 23 19 25 19 25 20 17 17 ~ ~ 19.49 35.30 29.00
8 16 20 20 18 28 32 31 23 25 27 27 27 22 28 25 ~ 32 38 29 33 25 13 15 ~ 22 29 19 18 17 26 33 24.74 38.38 29.00
9 34 29 26 28 18 24 26 19 19 17 24 15 20 24 18 25 26 45 32 27 36 54 73 ~ 64 50 37 58 43 43 ~ 32.92 72.80 29.00
10 36 40 30 23 44 40 33 33 40 18 12 16 32 27 36 34 20 21 47 26 33 40 36 27 14 25 19 11 15 13 12 27.44 46.58 31.00
11 12 22 18 30 22 16 46 44 57 84 23 62 43 24 28 32 21 29 57 27 44 51 127 206 80 69 77 48 36 43 ~ 49.17 205.57 30.00
12 36 65 35 36 26 19 22 27 65 137 98 44 23 34 141 26 133 110 27 18 26 35 55 16 19 18 22 27 65 39 16 47.12 141.49 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. 40 36 9 2 3 0 0 0 90 50 14 5 3 0 0 0 167
REL. 44.4 40.0 10.0 2.2 3.3 0.0 0.0 0.0 100.0 55.6 15.6 5.6 3.3 0.0 0.0 0.010.2
ID 44 40 10 4 16 0 0 0 115
ABS. 70 21 0 0 0 0 0 0 91 21 0 0 0 0 0 0 61
REL. 76.9 23.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 23.1 0.0 0.0 0.0 0.0 0.0 0.0 2.4
ID 76 23 0 0 0 0 0 0 100
ABS. 73 13 1 0 0 0 0 0 87 14 1 0 0 0 0 0 73
REL. 83.9 14.9 1.1 0.0 0.0 0.0 0.0 0.0100.0 16.1 1.1 0.0 0.0 0.0 0.0 0.0 23.9
ID 83 14 1 0 0 0 0 0 100
ABS. 48 33 5 5 0 1 0 0 92 44 11 6 1 1 0 0 206
REL 52.1 35.8 5.4 5.4 0.0 1.0 0.0 0.0100.0 47.8 12.0 6.5 1.1 1.1 0.0 0.024.11
ID 52 35 5 10 0 27 0 0 131
Year
ABS. 231 103 15 7 3 1 0 0 360 129 26 11 4 1 0 0 206
REL. 64.1 28.6 4.1 1.9 0.8 0.2 0.0 0.0100.0 35.8 7.2 3.1 1.1 0.3 0.0 0.024.11
ID 64 28 4 3 4 6 0 0 111

Note:

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