Detailed overview of ambient air pollution valuis from individual stations

1028 - Nepomysl

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1028 - Nepomysl
Code:CZLNCMNEP
Institution:CHMI
Region:Severocesky
District:Louny
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 52 64 41 60 37 43 64 63 49 68 40 41 76 86 122 145 159 155 96 69 73 29 45 55 52 25 38 28 19 12 15 61.87 159.35 31.00
2 15 23 37 28 18 18 27 28 21 19 13 13 10 13 10 14 21 17 13 12 11 13 17 18 9 10 13 12 ~ ~ ~ 16.93 37.44 28.00
3 17 12 12 9 22 26 16 14 20 19 28 29 24 19 13 10 12 14 14 12 15 7.20 8.90 14 25 20 ~ 10 11 7.70 10 15.68 29.43 30.00
4 18 24 19 11 15 10 14 20 23 21 15 10 10 14 11 13 16 12 10 10 9 17 11 14 17 18 12 9 12 12 ~ 14.18 24.36 30.00
5 11 12 14 11 10 8.07 11 16 7.00 6.46 8.22 13 14 11 17 11 11 10 ~ 10 7.91 13 10 12 10 11 8.53 10 12 11 8.89 10.80 16.73 30.00
6 14 13 13 12 12 9 10 8.99 8.66 11 12 13 12 10 8.75 13 16 12 14 10 7.06 6.50 8.03 10 11 10 13 13 10 9 ~ 10.97 16.14 30.00
7 8.62 8.99 10 10 10 6.68 8.18 8.74 10 13 12 8.63 8.93 10 11 10 14 11 16 6.89 10 10 8.97 10 9 8.77 7.57 7.82 15 11 12 10.08 16.27 31.00
8 10 9 13 11 12 13 12 12 13 10 11 11 10 15 12 15 11 24 18 16 12 12 12 10 ~ 13 14 13 12 11 10 12.55 24.26 30.00
9 12 13 25 18 14 14 11 12 11 ~ 12 12 9 10 9 12 14 13 21 16 11 15 27 17 18 20 16 13 15 21 ~ 14.90 26.57 29.00
10 17 11 12 13 12 17 24 12 9 11 9 8.19 12 13 16 14 29 27 27 28 16 17 19 13 13 11 15 21 30 38 28 17.48 37.54 31.00
11 22 25 15 24 31 40 27 24 16 13 37 26 22 20 21 20 21 17 21 31 68 68 46 36 30 55 54 43 49 40 ~ 32.00 67.75 30.00
12 20 39 31 20 16 18 23 27 38 16 12 13 11 14 21 28 16 16 30 31 46 47 44 13 7.91 6.85 9 12 11 12 27 21.84 46.61 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. 63 16 6 2 2 0 0 0 89 26 10 4 2 0 0 0 159
REL. 70.7 17.9 6.7 2.2 2.2 0.0 0.0 0.0 100.0 29.2 11.2 4.5 2.2 0.0 0.0 0.017.1
ID 70 17 6 4 11 0 0 0 111
ABS. 90 0 0 0 0 0 0 0 90 0 0 0 0 0 0 0 24
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 2.4
ID 100 0 0 0 0 0 0 0 100
ABS. 90 0 0 0 0 0 0 0 90 0 0 0 0 0 0 0 27
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 23.9
ID 100 0 0 0 0 0 0 0 100
ABS. 75 15 2 0 0 0 0 0 92 17 2 0 0 0 0 0 68
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 0.021.11
ID 81 16 2 0 0 0 0 0 100
Year
ABS. 318 31 8 2 2 0 0 0 361 43 12 4 2 0 0 0 159
REL. 88.0 8.5 2.2 0.5 0.5 0.0 0.0 0.0100.0 11.9 3.3 1.1 0.6 0.0 0.0 0.0 17.1
ID 88 8 2 1 2 0 0 0 102

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