Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1010 - Chabarovice
Code:CZULCMCHA
Institution:Czech Hydrometeorological Institute
Region:Ustecky
District:Usti nad Labem
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 17 9 24 106 152 126 27 67 135 153 141 131 55 76 45 53 55 76 83 31 37 55 56 58 32 25 14 24 26 47 54 64.19 153.05 31.00
2 62 39 31 75 96 50 39 35 28 18 35 13 24 18 53 28 37 44 26 43 18 48 14 15 56 46 31 32 ~ ~ ~ 37.69 95.98 28.00
3 25 23 18 44 60 70 12 29 70 37 60 48 76 13 27 34 30 65 33 27 28 10 6.60 5.79 13 16 29 33 45 39 24 33.75 75.96 31.00
4 34 30 23 22 14 8.13 23 30 28 20 26 19 21 13 36 33 41 42 23 10 14 26 25 21 34 25 14 30 35 24 ~ 24.85 41.77 30.00
5 14 21 19 14 20 21 15 16 19 18 20 16 23 21 21 30 19 11 13 18 24 17 17 22 16 18 18 17 12 18 16 18.12 29.94 31.00
6 7.05 16 18 21 11 14 17 6.93 11 15 18 26 17 17 29 13 29 26 20 15 17 18 15 18 17 23 20 13 7.29 26 ~ 17.42 29.33 30.00
7 28 33 21 19 16 12 16 24 20 ~ 28 19 12 10 15 18 32 18 16 13 11 17 31 18 20 40 20 18 22 23 24 20.51 40.33 30.00
8 27 17 20 16 23 21 15 21 21 11 12 12 7.13 11 10 12 13 18 24 24 22 20 26 21 28 23 24 24 24 21 14 18.72 27.70 31.00
9 13 24 26 27 34 27 21 24 29 23 22 26 27 8.67 7.52 22 22 20 34 22 15 16 14 13 26 31 12 18 30 41 ~ 22.56 41.20 30.00
10 46 49 ~ ~ 15 11 15 21 24 24 16 15 17 70 55 60 40 33 16 25 55 111 53 49 50 12 17 12 42 48 44 36.04 111.07 29.00
11 68 24 17 25 21 38 52 59 18 26 47 70 82 53 110 97 28 106 24 43 40 62 50 23 57 108 49 31 60 40 ~ 50.92 109.74 30.00
12 28 46 42 54 29 21 20 21 46 69 73 38 66 37 23 58 82 27 76 76 81 41 36 21 18 19 34 47 86 50 16 44.62 86.45 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. 42 33 8 5 2 0 0 0 90 48 15 7 2 0 0 0 153
REL. 46.6 36.6 8.8 5.5 2.2 0.0 0.0 0.0 100.0 53.3 16.7 7.8 2.2 0.0 0.0 0.010.1
ID 46 36 8 11 11 0 0 0 114
ABS. 85 6 0 0 0 0 0 0 91 6 0 0 0 0 0 0 42
REL. 93.4 6.5 0.0 0.0 0.0 0.0 0.0 0.0 100.0 6.6 0.0 0.0 0.0 0.0 0.0 0.0 18.4
ID 93 6 0 0 0 0 0 0 100
ABS. 87 4 0 0 0 0 0 0 91 4 0 0 0 0 0 0 41
REL. 95.6 4.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 4.4 0.0 0.0 0.0 0.0 0.0 0.0 30.9
ID 95 4 0 0 0 0 0 0 100
ABS. 36 38 12 4 0 0 0 0 90 54 16 4 0 0 0 0 111
REL 40.0 42.2 13.3 4.4 0.0 0.0 0.0 0.0100.0 60.0 17.8 4.4 0.0 0.0 0.0 0.022.10
ID 40 42 13 8 0 0 0 0 104
Year
ABS. 250 81 20 9 2 0 0 0 362 112 31 11 2 0 0 0 153
REL. 69.0 22.3 5.5 2.4 0.5 0.0 0.0 0.0100.0 30.9 8.6 3.0 0.6 0.0 0.0 0.0 10.1
ID 69 22 5 4 2 0 0 0 104

Note:

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