Detailed overview of ambient air pollution valuis from individual stations

80 - Doksany

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 80 - Doksany
Code:CZLTCMDOK
Institution:CHMI
Region:Severocesky
District:Litomerice
IHd: 100
Measure method:guajacol (modif. Jakobs-Hochheiser) - spectrophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 66 119 41 25 23 45 53 57 24 44 51 27 36 139 110 26 77 94 46 56 46 28 27 41 33 25 73 51 38 39 39 51.58 139.00 31.00
2 45 45 95 34 32 40 18 42 45 36 20 25 14 18 24 12 20 23 15 20 11 16 30 28 13 16 17 20 ~ ~ ~ 27.64 95.00 28.00
3 23 17 21 19 28 24 25 27 22 27 36 35 16 22 14 13 24 12 36 23 35 11 16 20 45 34 17 20 32 24 32 24.19 45.00 31.00
4 38 28 21 10 13 ~ ~ 38 49 31 17 14 43 29 ~ ~ ~ 32 25 41 68 51 15 27 21 23 27 19 18 26 ~ 28.96 68.00 25.00
5 ~ 36 25 13 22 10 14 16 12 12 23 11 25 30 26 20 15 16 29 21 15 21 17 12 20 18 23 29 16 21 17 19.50 36.00 30.00
6 20 32 26 26 15 24 18 15 21 9.00 14 17 10 6.00 ~ 15 45 40 ~ 36 23 21 15 17 17 20 31 29 22 28 ~ 21.86 45.00 28.00
7 14 9.00 16 17 11 7.00 9.00 12 24 19 12 17 13 16 19 19 18 18 8.00 16 15 ~ 10 16 6.00 17 10 9.00 17 16 23 14.43 24.00 30.00
8 18 20 20 30 16 17 18 12 12 6.00 15 ~ 27 39 31 19 25 ~ 12 13 14 22 26 11 43 31 40 ~ 36 33 31 22.75 43.00 28.00
9 38 27 23 37 28 24 22 20 13 21 24 27 16 27 33 40 37 ~ ~ 21 29 ~ 21 35 33 34 22 ~ 32 36 ~ 27.69 40.00 26.00
10 29 14 6.00 28 22 42 39 30 ~ 28 ~ ~ ~ 17 29 ~ 17 47 39 38 7.00 ~ ~ ~ ~ 26 34 ~ 60 45 4.00 28.62 60.00 21.00
11 68 75 57 29 8.00 149 95 57 42 22 20 35 26 42 27 21 35 18 27 24 53 50 42 49 34 47 38 54 39 39 ~ 44.07 149.00 30.00
12 33 31 53 27 42 ~ 34 55 67 39 27 23 14 16 13 46 37 29 51 36 41 54 52 28 13 9.00 14 41 35 46 46 35.07 67.00 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. 54 29 4 3 0 0 0 0 90 36 7 3 0 0 0 0 139
REL. 60.0 32.2 4.4 3.3 0.0 0.0 0.0 0.0 100.0 40.0 7.8 3.3 0.0 0.0 0.0 0.014.1
ID 60 32 4 6 0 0 0 0 103
ABS. 72 10 1 0 0 0 0 0 83 11 1 0 0 0 0 0 68
REL. 86.7 12.0 1.2 0.0 0.0 0.0 0.0 0.0 100.0 13.3 1.2 0.0 0.0 0.0 0.0 0.0 21.4
ID 86 12 1 0 0 0 0 0 100
ABS. 73 11 0 0 0 0 0 0 84 11 0 0 0 0 0 0 43
REL. 86.9 13.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 13.1 0.0 0.0 0.0 0.0 0.0 0.0 25.8
ID 86 13 0 0 0 0 0 0 100
ABS. 36 40 4 1 0 0 0 0 81 45 5 1 0 0 0 0 149
REL 44.4 49.3 4.9 1.2 0.0 0.0 0.0 0.0100.0 55.6 6.2 1.2 0.0 0.0 0.0 0.0 6.11
ID 44 49 4 2 0 0 0 0 101
Year
ABS. 235 90 9 4 0 0 0 0 338 103 13 4 0 0 0 0 149
REL. 69.5 26.6 2.6 1.1 0.0 0.0 0.0 0.0100.0 30.5 3.8 1.2 0.0 0.0 0.0 0.0 6.11
ID 69 26 2 2 0 0 0 0 101

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