Detailed overview of ambient air pollution valuis from individual stations

1000 - Medenec

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1000 - Medenec
Code:CZCVCMMED
Institution:CHMI
Region:Severocesky
District:Chomutov
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 65 86 49 54 34 85 66 80 33 74 77 27 19 30 19 19 122 38 143 47 64 34 21 72 69 38 31 27 18 10 14 50.47 142.74 31.00
2 20 34 32 25 15 14 23 15 11 23 13 14 18 11 12 13 30 25 19 11 14 11 19 25 14 10 12 13 ~ ~ ~ 17.75 34.22 28.00
3 18 13 11 15 23 27 31 24 33 24 51 45 25 21 23 15 17 20 16 13 19 11 11 29 37 24 16 29 15 8.68 12 21.78 50.80 31.00
4 18 26 18 12 17 9 17 27 34 24 25 9 7.65 20 15 12 24 19 10 12 35 21 17 20 19 23 15 14 13 17 ~ 18.25 34.64 30.00
5 12 11 19 16 16 10 15 ~ ~ ~ ~ ~ 34 27 23 20 26 15 9 8.37 7.64 11 11 9 20 18 11 11 11 8.92 7.95 14.84 34.07 26.00
6 18 15 12 25 27 24 23 19 12 38 35 19 16 13 12 16 16 16 26 11 11 10 12 12 23 25 36 28 23 11 ~ 19.39 38.12 30.00
7 11 14 11 10 9 7.80 10 10 10 20 20 8.41 8.68 13 9 14 30 10 6.96 6.68 10 11 12 11 10 6.91 7.29 11 20 14 12 11.72 29.66 31.00
8 8.20 9 18 18 14 21 22 27 18 24 23 29 12 10 12 19 32 38 31 37 24 20 12 11 24 33 34 24 8.60 7.61 11 20.35 37.59 31.00
9 25 26 40 21 17 13 9 10 11 10 18 15 7.08 7.69 12 22 19 16 15 16 34 26 15 14 29 18 20 17 19 18 ~ 17.98 40.42 30.00
10 14 11 6.92 9 13 23 44 16 8.92 11 7.57 7.16 8.35 12 13 14 40 43 49 18 24 21 12 10 10 7.01 14 29 ~ 65 52 20.47 65.38 30.00
11 32 13 22 44 55 64 31 31 19 25 ~ ~ 24 17 17 15 20 23 34 42 21 73 48 51 35 51 59 72 47 30 ~ 36.21 72.96 28.00
12 15 22 32 21 11 13 14 30 28 22 11 11 10 8.61 21 57 30 31 47 36 64 80 44 13 17 16 6.57 7.65 10 22 28 25.19 79.90 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. 67 14 7 2 0 0 0 0 90 23 9 2 0 0 0 0 143
REL. 74.4 15.5 7.7 2.2 0.0 0.0 0.0 0.0 100.0 25.6 10.0 2.2 0.0 0.0 0.0 0.019.1
ID 74 15 7 4 0 0 0 0 102
ABS. 80 6 0 0 0 0 0 0 86 6 0 0 0 0 0 0 38
REL. 93.0 6.9 0.0 0.0 0.0 0.0 0.0 0.0 100.0 7.0 0.0 0.0 0.0 0.0 0.0 0.0 10.6
ID 93 6 0 0 0 0 0 0 100
ABS. 87 5 0 0 0 0 0 0 92 5 0 0 0 0 0 0 40
REL. 94.5 5.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 5.4 0.0 0.0 0.0 0.0 0.0 0.0 3.9
ID 94 5 0 0 0 0 0 0 100
ABS. 64 22 3 0 0 0 0 0 89 25 3 0 0 0 0 0 80
REL 71.9 24.7 3.3 0.0 0.0 0.0 0.0 0.0100.0 28.1 3.4 0.0 0.0 0.0 0.0 0.022.12
ID 71 24 3 0 0 0 0 0 100
Year
ABS. 298 47 10 2 0 0 0 0 357 59 12 2 0 0 0 0 143
REL. 83.4 13.1 2.8 0.5 0.0 0.0 0.0 0.0100.0 16.5 3.4 0.6 0.0 0.0 0.0 0.0 19.1
ID 83 13 2 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