Detailed overview of ambient air pollution valuis from individual stations


Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1201 - Varnsdorf-5.ZS Strel.
Code:CZDCHSSTR
Institution:Public Health Service
Region:Severocesky
District:Decin
IHd: 100
Measure method:el. fuel cell
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
2 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
3 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
4 157 161 37 18 22 47 43 22 41 43 34 13 34 48 27 52 58 12 13 35 64 50 57 50 22 27 32 47 51 ~ ~ 45.37 160.84 29.00
5 ~ 26 11 7.26 18 43 67 36 42 41 69 49 16 28 25 10 13 27 23 19 17 6.70 8.84 20 57 69 70 66 63 41 42 34.42 69.83 30.00
6 29 49 63 40 56 64 43 46 67 59 45 24 11 25 41 35 26 40 37 31 34 49 32 46 47 49 70 27 50 65 ~ 43.39 70.04 30.00
7 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
8 55 35 47 67 25 54 82 67 17 59 92 91 78 72 ~ 43 82 54 37 98 61 18 16 28 21 65 19 29 13 22 40 49.65 98.40 30.00
9 56 90 80 76 40 61 ~ ~ 59 80 87 53 22 60 40 48 33 22 36 49 ~ 50 50 87 105 65 75 51 53 42 ~ 58.11 104.76 27.00
10 23 23 17 28 40 27 92 79 84 26 24 41 28 76 53 80 27 32 100 33 47 73 44 46 ~ 36 31 11 24 22 23 42.99 100.49 30.00
11 14 43 33 28 28 21 67 67 92 75 13 83 78 34 20 20 7.99 13 34 10 25 82 162 ~ 101 98 108 100 66 46 ~ 54.11 162.01 29.00
12 40 76 71 67 14 4.06 5.51 13 129 152 101 74 15 47 80 13 90 102 27 15 11 48 75 25 19 16 21 38 100 35 23 49.84 151.91 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. 0 0 0 0 0 0 0 0 02 0 0 0 0 0 0 0 0
ABS. 34 47 6 0 2 0 0 0 89 55 8 2 2 0 0 0 161
REL. 38.2 52.8 6.7 0.0 2.2 0.0 0.0 0.0 100.0 61.8 9.0 2.2 2.2 0.0 0.0 0.0 2.4
ID 38 52 6 0 11 0 0 0 108
ABS. 13 28 15 1 0 0 0 0 571 44 16 1 0 0 0 0 105
REL. 22.8 49.1 26.3 1.7 0.0 0.0 0.0 0.0100.0 77.2 28.1 1.8 0.0 0.0 0.0 0.0 25.9
ID 22 49 26 3 0 0 0 0 101
ABS. 42 18 22 6 2 0 0 0 90 48 30 8 2 0 0 0 162
REL 46.6 20.0 24.4 6.6 2.2 0.0 0.0 0.0100.0 53.3 33.3 8.9 2.2 0.0 0.0 0.023.11
ID 46 20 24 13 11 0 0 0 115
Year
ABS. 89 93 43 7 4 0 0 0 2361 147 54 11 4 0 0 0 162
REL. 37.7 39.4 18.2 2.9 1.6 0.0 0.0 0.0100.0 62.3 22.9 4.7 1.7 0.0 0.0 0.023.11
ID 37 39 18 5 8 0 0 0 109

Note:

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