Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NO2-nitrogen dioxide
Station: 617 - Litomerice-OHS
Code:CZLTHSLOH
Institution:Public Health Service
Region:Ustecky
District:Litomerice
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 32 38 48 51 44 49 41 47 50 45 51 48 47 46 53 47 42 48 46 37 30 37 38 38 42 57 42 52 55 49 33 44.61 57.00 31.00
2 47 35 34 44 58 67 42 49 38 38 47 63 37 47 66 73 31 32 30 16 18 19 24 25 51 68 35 35 ~ ~ ~ 41.75 73.00 28.00
3 60 44 34 42 33 42 33 35 47 26 34 28 27 26 42 39 23 31 16 22 32 43 37 38 22 15 22 26 31 54 43 33.77 60.00 31.00
4 42 41 41 30 25 35 25 22 26 36 29 15 15 17 29 27 27 26 29 19 10 21 36 48 28 24 25 22 18 19 ~ 26.90 48.00 30.00
5 18 13 20 25 10 8.00 13 20 18 21 10 10 20 20 26 19 22 21 15 18 17 16 20 22 21 18 20 17 17 16 22 17.84 26.00 31.00
6 16 15 9.00 13 19 24 19 17 15 15 18 18 20 26 19 17 16 16 15 15 22 15 12 14 18 20 19 21 19 16 ~ 17.27 26.00 30.00
7 13 14 14 15 14 13 15 15 16 18 20 16 17 15 13 14 14 15 15 16 13 14 15 15 17 18 20 16 16 19 19 15.61 20.00 31.00
8 15 17 22 15 14 16 ~ 15 16 14 12 13 36 23 21 21 14 14 21 14 14 16 19 24 21 21 15 8.00 23 18 39 18.37 39.00 30.00
9 22 14 21 21 19 22 19 6.00 7.00 14 16 21 29 23 16 19 17 25 17 29 26 22 14 28 22 22 31 19 25 30 ~ 20.53 31.00 30.00
10 27 30 25 22 23 23 22 35 32 27 26 30 29 31 36 36 31 32 29 23 23 30 23 28 43 47 36 68 59 74 53 33.97 74.00 31.00
11 22 46 61 62 62 57 51 40 31 62 87 87 51 89 133 143 56 70 71 97 95 46 28 54 79 77 77 90 76 54 ~ 68.47 143.00 30.00
12 40 38 65 69 85 66 40 47 84 133 97 29 53 84 71 43 80 74 69 53 51 50 55 47 52 45 53 50 49 32 43 59.58 133.00 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. 27 60 3 0 0 0 0 0 90 63 3 0 0 0 0 0 73
REL. 30.0 66.6 3.3 0.0 0.0 0.0 0.0 0.0 100.0 70.0 3.3 0.0 0.0 0.0 0.0 0.016.2
ID 30 66 3 0 0 0 0 0 100
ABS. 84 7 0 0 0 0 0 0 91 7 0 0 0 0 0 0 48
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 24.4
ID 92 7 0 0 0 0 0 0 100
ABS. 89 2 0 0 0 0 0 0 91 2 0 0 0 0 0 0 39
REL. 97.8 2.1 0.0 0.0 0.0 0.0 0.0 0.0100.0 2.2 0.0 0.0 0.0 0.0 0.0 0.0 31.8
ID 97 2 0 0 0 0 0 0 100
ABS. 26 40 23 3 0 0 0 0 92 66 26 3 0 0 0 0 143
REL 28.2 43.4 25.0 3.2 0.0 0.0 0.0 0.0100.0 71.7 28.3 3.3 0.0 0.0 0.0 0.016.11
ID 28 43 25 6 0 0 0 0 103
Year
ABS. 226 109 26 3 0 0 0 0 364 138 29 3 0 0 0 0 143
REL. 62.0 29.9 7.1 0.8 0.0 0.0 0.0 0.0100.0 37.9 8.0 0.8 0.0 0.0 0.0 0.016.11
ID 62 29 7 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