Detailed overview of ambient air pollution valuis from individual stations

1019 - Hradek n.Nisou

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1019 - Hradek n.Nisou
Code:CZLBCMHRN
Institution:CHMI
Region:Severocesky
District:Liberec
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 104 124 76 35 36 28 45 33 44 62 51 37 33 57 54 74 53 32 27 46 39 22 36 62 48 14 22 41 26 19 20 45.21 123.70 31.00
2 28 21 25 44 32 26 26 48 41 35 20 27 18 19 19 19 21 23 22 19 19 29 18 28 18 11 15 23 ~ ~ ~ 24.88 48.14 28.00
3 27 19 30 34 24 37 32 31 35 25 34 31 30 30 18 6.54 13 12 21 13 22 10 11 17 21 26 21 11 8.57 10 19 21.92 36.61 31.00
4 33 37 ~ 11 17 13 22 23 32 26 19 13 14 18 14 14 28 21 15 19 25 21 14 19 21 21 18 17 16 18 ~ 20.05 37.41 29.00
5 19 19 21 22 16 17 13 16 10 10 11 15 23 19 25 22 18 13 14 ~ 14 17 17 15 15 14 14 20 16 11 12 16.31 24.94 30.00
6 13 24 21 17 16 17 16 15 19 23 20 19 16 13 13 17 20 15 8.79 11 3.71 3.16 11 12 15 11 16 17 16 15 ~ 15.10 24.30 30.00
7 14 15 19 16 14 9 13 15 17 20 19 16 15 14 18 13 13 16 8.07 8.61 14 18 15 16 13 11 11 14 16 18 15 14.68 20.05 31.00
8 14 15 22 18 18 23 23 16 16 15 18 18 24 19 16 25 18 22 19 19 21 19 21 20 17 19 20 18 18 16 18 18.96 25.08 31.00
9 17 19 37 27 19 16 15 15 11 12 11 13 10 18 19 13 25 26 21 21 17 25 26 22 29 25 20 22 24 23 ~ 19.94 36.52 30.00
10 21 8.41 9 16 18 15 23 19 13 12 10 9 15 17 18 25 18 17 16 19 26 27 24 11 10 16 46 54 49 46 41 21.65 53.83 31.00
11 24 25 22 18 22 19 28 32 18 18 17 20 32 23 27 20 15 12 24 24 41 48 41 49 40 54 35 44 30 24 ~ 28.25 54.14 30.00
12 28 31 27 23 25 28 30 32 35 29 21 19 10 14 13 26 16 18 21 36 30 114 67 29 12 9 13 19 22 18 20 27.04 114.31 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. 62 24 2 2 0 0 0 0 90 28 4 2 0 0 0 0 124
REL. 68.8 26.6 2.2 2.2 0.0 0.0 0.0 0.0 100.0 31.1 4.4 2.2 0.0 0.0 0.0 0.02.1
ID 68 26 2 4 0 0 0 0 102
ABS. 87 2 0 0 0 0 0 0 89 2 0 0 0 0 0 0 37
REL. 97.7 2.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 2.2 0.0 0.0 0.0 0.0 0.0 0.0 2.4
ID 97 2 0 0 0 0 0 0 100
ABS. 91 1 0 0 0 0 0 0 92 1 0 0 0 0 0 0 37
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 1 1 0 0 0 0 92 17 2 1 0 0 0 0 114
REL 81.5 16.3 1.0 1.0 0.0 0.0 0.0 0.0100.0 18.5 2.2 1.1 0.0 0.0 0.0 0.022.12
ID 81 16 1 2 0 0 0 0 101
Year
ABS. 315 42 3 3 0 0 0 0 363 48 6 3 0 0 0 0 124
REL. 86.7 11.5 0.8 0.8 0.0 0.0 0.0 0.0100.0 13.2 1.7 0.8 0.0 0.0 0.0 0.0 2.1
ID 86 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