Detailed overview of ambient air pollution valuis from individual stations

1015 - Valdek

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1015 - Valdek
Code:CZDCCMVAL
Institution:CHMI
Region:Severocesky
District:Decin
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 65 116 52 34 27 37 57 31 50 61 62 43 71 64 86 95 58 77 28 65 38 18 50 63 37 20 26 38 19 15 15 49.02 116.44 31.00
2 17 20 52 50 27 26 36 39 51 32 21 21 14 12 13 15 17 19 16 18 15 14 17 20 14 10 14 24 ~ ~ ~ 23.01 51.92 28.00
3 25 18 17 24 30 30 30 16 25 23 36 ~ ~ 24 16 11 18 19 21 17 27 8.41 15 23 31 28 21 8.50 6.81 7.69 10 20.24 36.09 29.00
4 22 26 24 9 13 8.07 12 ~ 32 24 15 9 8.26 13 9 13 19 18 10 8.30 15 14 13 21 18 23 17 15 15 13 ~ 15.74 32.48 29.00
5 15 14 17 14 ~ ~ 11 11 8.70 7.20 8.83 12 18 17 16 19 14 10 11 14 10 13 12 9 14 10 9 15 12 12 8.15 12.51 19.27 29.00
6 13 15 18 15 17 15 14 11 12 15 18 16 12 12 10 14 19 17 ~ ~ ~ ~ ~ 13 18 19 19 13 12 12 ~ 14.80 19.06 25.00
7 14 18 16 16 16 9 11 12 17 17 18 12 13 18 19 19 20 17 9 8.68 14 16 17 16 13 11 10 13 13 14 19 14.76 19.95 31.00
8 15 13 19 18 16 15 17 19 15 19 23 21 18 16 16 15 21 28 25 22 20 15 20 15 ~ 20 22 19 15 12 16 18.18 27.84 30.00
9 16 19 33 27 14 16 13 14 9 11 11 15 7.80 12 16 11 29 23 20 12 16 24 20 19 17 16 11 16 27 19 ~ 17.10 33.46 30.00
10 19 8.23 10 14 15 17 22 22 15 15 11 8.95 12 13 15 17 18 16 17 23 18 26 26 12 10 10 23 21 34 46 49 18.83 49.36 31.00
11 26 23 23 28 22 22 33 30 16 19 21 27 29 23 29 19 24 21 30 31 56 47 48 41 45 57 39 50 33 36 ~ 31.56 57.15 30.00
12 27 29 30 21 18 25 32 39 43 27 26 16 10 12 17 29 20 16 23 26 32 79 70 32 13 11 11 22 21 21 20 26.40 79.22 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. 60 23 4 1 0 0 0 0 88 28 5 1 0 0 0 0 116
REL. 68.1 26.1 4.5 1.1 0.0 0.0 0.0 0.0 100.0 31.8 5.7 1.1 0.0 0.0 0.0 0.02.1
ID 68 26 4 2 0 0 0 0 101
ABS. 83 0 0 0 0 0 0 0 83 0 0 0 0 0 0 0 32
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.4
ID 100 0 0 0 0 0 0 0 100
ABS. 90 1 0 0 0 0 0 0 91 1 0 0 0 0 0 0 33
REL. 98.9 1.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 3.9
ID 98 1 0 0 0 0 0 0 100
ABS. 75 15 2 0 0 0 0 0 92 17 2 0 0 0 0 0 79
REL 81.5 16.3 2.1 0.0 0.0 0.0 0.0 0.0100.0 18.5 2.2 0.0 0.0 0.0 0.0 0.022.12
ID 81 16 2 0 0 0 0 0 100
Year
ABS. 308 39 6 1 0 0 0 0 354 46 7 1 0 0 0 0 116
REL. 87.0 11.0 1.6 0.2 0.0 0.0 0.0 0.0100.0 13.0 2.0 0.3 0.0 0.0 0.0 0.0 2.1
ID 87 11 1 0 0 0 0 100

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