Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
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 6.76 15 26 33 23 19 26 49 19 40 16 16 11 14 38 29 ~ 25 46 21 15 14 16 15 24 35 9 16 18 17 6.29 22.01 48.67 30.00
2 7.76 17 ~ ~ 16 16 37 46 44 ~ 13 32 5.93 11 34 ~ 5.93 2.19 2.79 2.35 3.30 2.03 4.14 13 ~ 33 28 16 ~ ~ ~ 16.99 45.56 23.00
3 43 46 22 21 21 32 18 23 45 21 15 32 22 13 65 53 7.80 31 11 21 28 44 38 23 6.96 6.29 11 18 22 74 32 27.95 74.05 31.00
4 35 62 43 59 ~ ~ ~ ~ 22 49 29 5.29 3.94 5.73 18 12 17 23 26 19 3.90 5.29 36 38 39 35 ~ 15 ~ 56 ~ 27.38 62.15 24.00
5 31 28 54 33 12 8.36 17 27 28 ~ 13 14 36 48 76 63 70 34 19 18 23 ~ 36 46 26 32 47 37 37 24 66 34.54 75.88 29.00
6 22 30 8.60 12 37 79 69 56 30 41 28 48 51 48 92 65 47 37 24 37 77 29 27 36 50 48 84 84 70 76 ~ 48.08 92.48 30.00
7 32 30 40 73 60 73 105 63 62 99 72 53 61 78 31 1.91 11 152 45 33 26 23 30 34 32 44 46 28 46 50 94 52.53 152.44 31.00
8 25 52 80 40 28 36 44 53 40 54 18 24 51 94 106 99 62 53 63 68 44 53 51 74 74 81 58 15 20 50 68 54.14 106.04 31.00
9 29 21 57 46 19 24 20 12 9 18 17 25 35 37 34 13 16 22 43 44 43 32 30 31 17 29 ~ 23 42 44 ~ 28.70 56.94 29.00
10 44 48 60 37 58 ~ ~ 61 58 56 33 81 43 56 81 60 44 70 ~ ~ ~ 28 24 33 50 44 18 20 19 20 16 44.63 81.06 26.00
11 5.25 13 16 20 14 21 18 21 4.30 22 11 32 8.32 20 21 17 14 22 9 ~ ~ 12 2.22 ~ 13 23 19 12 ~ 12 ~ 15.41 32.31 26.00
12 ~ 17 15 14 19 16 4.02 3.94 18 16 12 2.87 3.78 8.32 10 1.91 5.81 6.37 8.44 3.14 7.28 8.44 1.99 2.87 3.06 3.38 33 12 9 4.82 2.90 9.12 32.87 30.00

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. 66 17 1 0 0 0 0 0 84 18 1 0 0 0 0 0 74
REL. 78.5 20.2 1.1 0.0 0.0 0.0 0.0 0.0 100.0 21.4 1.2 0.0 0.0 0.0 0.0 0.030.3
ID 78 20 1 0 0 0 0 0 100
ABS. 39 34 10 0 0 0 0 0 83 44 10 0 0 0 0 0 92
REL. 46.9 40.9 12.0 0.0 0.0 0.0 0.0 0.0 100.0 53.0 12.0 0.0 0.0 0.0 0.0 0.0 15.6
ID 46 40 12 0 0 0 0 0 100
ABS. 36 38 14 2 1 0 0 0 91 55 17 3 1 0 0 0 152
REL. 39.5 41.7 15.3 2.1 1.0 0.0 0.0 0.0100.0 60.4 18.7 3.3 1.1 0.0 0.0 0.0 18.7
ID 39 41 15 4 5 0 0 0 106
ABS. 65 14 3 0 0 0 0 0 82 17 3 0 0 0 0 0 81
REL 79.2 17.0 3.6 0.0 0.0 0.0 0.0 0.0100.0 20.7 3.7 0.0 0.0 0.0 0.0 0.012.10
ID 79 17 3 0 0 0 0 0 100
Year
ABS. 206 103 28 2 1 0 0 0 340 134 31 3 1 0 0 0 152
REL. 60.5 30.2 8.2 0.5 0.2 0.0 0.0 0.0100.0 39.4 9.1 0.9 0.3 0.0 0.0 0.0 18.7
ID 60 30 8 1 1 0 0 0 101

Note:

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