Detailed overview of ambient air pollution valuis from individual stations


Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1017 - Jablonec-mesto
Code:CZJNCMJAM
Institution:CHMI
Region:Severocesky
District:Jablonec nad Nisou
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 38 26 14 14 19 23 44 23 19 49 55 67 40 84 59 56 22 22 25 19 16 50 71 28 75 138 84 113 86 63 41 47.86 137.79 31.00
2 35 49 47 85 118 155 41 30 76 108 125 89 22 42 48 42 29 76 49 38 29 50 48 58 32 52 31 15 ~ ~ ~ 57.82 154.66 28.00
3 21 29 34 26 21 33 16 14 24 36 42 32 23 17 43 51 28 28 19 21 14 21 48 38 47 41 47 39 32 40 53 31.47 52.78 31.00
4 54 40 25 15 28 26 22 19 26 20 23 16 34 29 21 46 32 19 24 32 37 30 23 27 19 15 17 21 18 20 ~ 25.91 53.88 30.00
5 11 14 15 17 28 27 26 17 17 30 25 23 28 18 20 18 18 36 26 28 27 20 19 23 36 32 25 16 18 16 17 22.32 36.16 31.00
6 24 18 30 28 17 12 21 33 22 24 19 28 17 18 29 23 27 29 24 31 26 29 23 28 24 26 15 21 22 21 ~ 23.54 33.23 30.00
7 28 33 21 13 14 22 28 27 21 24 13 17 18 21 21 19 20 15 17 20 21 27 20 24 12 17 26 24 20 17 19 20.71 33.18 31.00
8 14 16 24 38 35 25 32 23 27 21 25 23 37 28 17 29 30 42 36 29 17 15 16 23 31 47 29 19 35 39 54 28.16 53.56 31.00
9 31 28 20 18 17 33 27 25 18 18 29 27 38 19 19 25 39 46 39 23 22 43 49 44 38 28 40 64 59 38 ~ 32.16 64.30 30.00
10 31 36 24 21 34 37 22 54 50 15 17 26 45 50 58 36 22 35 62 41 51 59 33 22 15 42 20 16 20 21 18 33.31 62.19 31.00
11 19 38 14 0.61 0.63 ~ ~ ~ ~ ~ 39 69 53 31 53 59 62 46 78 23 76 65 129 182 94 77 83 74 62 68 ~ 59.76 181.75 25.00
12 48 117 38 45 28 21 34 42 194 181 99 97 31 92 348 41 141 108 32 25 26 53 63 31 32 19 33 43 65 25 19 70.02 347.52 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. 38 36 10 5 1 0 0 0 90 52 16 6 1 0 0 0 155
REL. 42.2 40.0 11.1 5.5 1.1 0.0 0.0 0.0 100.0 57.8 17.8 6.7 1.1 0.0 0.0 0.06.2
ID 42 40 11 11 5 0 0 0 110
ABS. 84 7 0 0 0 0 0 0 91 7 0 0 0 0 0 0 54
REL. 92.3 7.6 0.0 0.0 0.0 0.0 0.0 0.0 100.0 7.7 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 92 7 0 0 0 0 0 0 100
ABS. 70 22 0 0 0 0 0 0 92 22 0 0 0 0 0 0 64
REL. 76.0 23.9 0.0 0.0 0.0 0.0 0.0 0.0100.0 23.9 0.0 0.0 0.0 0.0 0.0 0.0 28.9
ID 76 23 0 0 0 0 0 0 100
ABS. 34 34 11 4 3 0 1 0 87 53 19 8 4 1 1 0 348
REL 39.0 39.0 12.6 4.5 3.4 0.0 1.1 0.0100.0 60.9 21.8 9.2 4.6 1.1 1.1 0.015.12
ID 39 39 12 9 17 0 143 0 260
Year
ABS. 226 99 21 9 4 0 1 0 360 134 35 14 5 1 1 0 348
REL. 62.7 27.5 5.8 2.5 1.1 0.0 0.2 0.0100.0 37.2 9.7 3.9 1.4 0.3 0.3 0.015.12
ID 62 27 5 5 5 0 34 0 141

Note:

1 frequency < 60 per quarter, or < 240 per annum
2 frequency < 30 per quarter, or < 120 per annum