Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1201 - Varnsdorf-5.ZS Strel.
Code:CZDCHSSTR
Institution:Public Health Service
Region:Ustecky
District:Decin
IHd: 100
Measure method:el. fuel cell
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 7.12 4.74 30 65 46 19 18 28 47 52 33 41 35 52 24 ~ ~ ~ ~ ~ ~ 22 22 21 15 10 11 ~ 12 28 30 28.02 65.06 24.00
2 31 22 25 23 18 40 ~ 22 17 ~ 21 10 16 12 47 27 27 29 12 16 8.08 18 6.41 7.36 30 18 14 16 ~ ~ ~ 20.43 46.63 26.00
3 14 18 7.32 39 ~ 27 10 29 24 22 28 38 46 6.80 14 24 ~ ~ 20 25 26 7.68 6.05 5.93 11 11 23 33 42 33 17 21.65 46.16 28.00
4 26 37 24 17 8.36 6.76 14 27 24 18 31 24 34 8.91 18 31 42 37 44 13 17 36 34 23 39 52 11 18 22 33 ~ 25.61 52.09 30.00
5 26 37 27 17 11 41 26 37 44 54 43 32 44 50 27 54 53 20 20 30 57 61 71 39 31 28 33 30 24 21 46 36.53 70.71 31.00
6 11 19 38 65 54 60 50 27 23 35 30 52 42 37 53 35 60 106 82 97 61 73 56 34 24 62 65 17 14 31 ~ 47.02 105.73 30.00
7 51 84 75 32 39 48 38 ~ 116 114 57 44 71 57 54 85 96 41 50 14 21 14 32 28 20 37 28 29 53 48 67 51.33 115.71 30.00
8 64 33 26 40 43 39 43 40 50 45 42 57 29 20 36 48 49 47 64 61 64 56 60 53 54 65 82 74 71 67 58 50.92 82.01 31.00
9 18 26 59 72 54 43 40 33 58 58 20 14 24 16 ~ 56 19 23 37 33 22 23 12 3.06 12 25 6.18 19 24 45 ~ 30.83 71.98 29.00
10 42 48 45 12 9 6.53 6.53 7.08 14 19 4.66 3.02 8.71 28 23 32 14 10 4.30 16 22 31 12 29 24 3.42 8.15 5.49 ~ 23 36 18.26 47.55 30.00
11 31 9 7.24 13 5.98 ~ ~ ~ 3.94 41 17 35 21 27 50 13 26 54 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 23.62 53.94 15.00
12 16 30 22 15 11 5.57 4.26 4.38 16 24 38 19 34 ~ ~ 21 23 5.69 27 21 32 15 11 4.89 5.01 6.96 12 16 10 25 10 16.67 37.76 29.00

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. 64 14 0 0 0 0 0 0 78 14 0 0 0 0 0 0 65
REL. 82.0 17.9 0.0 0.0 0.0 0.0 0.0 0.0 100.0 17.9 0.0 0.0 0.0 0.0 0.0 0.04.1
ID 82 17 0 0 0 0 0 0 100
ABS. 46 40 4 1 0 0 0 0 91 45 5 1 0 0 0 0 106
REL. 50.5 43.9 4.3 1.0 0.0 0.0 0.0 0.0 100.0 49.5 5.5 1.1 0.0 0.0 0.0 0.0 18.6
ID 50 43 4 2 0 0 0 0 101
ABS. 32 45 11 2 0 0 0 0 90 58 13 2 0 0 0 0 116
REL. 35.5 50.0 12.2 2.2 0.0 0.0 0.0 0.0100.0 64.4 14.4 2.2 0.0 0.0 0.0 0.0 9.7
ID 35 50 12 4 0 0 0 0 102
ABS. 64 10 0 0 0 0 0 0 74 10 0 0 0 0 0 0 54
REL 86.4 13.5 0.0 0.0 0.0 0.0 0.0 0.0100.0 13.5 0.0 0.0 0.0 0.0 0.0 0.018.11
ID 86 13 0 0 0 0 0 0 100
Year
ABS. 206 109 15 3 0 0 0 0 333 127 18 3 0 0 0 0 116
REL. 61.8 32.7 4.5 0.9 0.0 0.0 0.0 0.0100.0 38.1 5.4 0.9 0.0 0.0 0.0 0.0 9.7
ID 61 32 4 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