Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1457 - Usti n.L.-KHS, Pasteurova
Code:CZULHSUKP
Institution:Public Health Service
Region:Severocesky
District:Usti nad Labem
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 50 106 107 181 121 106 101 89 53 89 101 84 28 53 49 53 18 14 22 29 21 44 43 118 155 169 54 77 29 24 31 71.58 181.00 31.00
2 94 85 28 59 65 128 103 35 16 41 78 48 21 67 120 74 46 52 82 22 64 ~ ~ 52 32 ~ ~ ~ ~ ~ ~ 61.39 128.00 23.00
3 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 12 30 26 38 22 39 45 94 86 110 64 34 23 29 29 29 34 43.76 110.00 17.00
4 51 49 69 62 29 19 17 27 28 36 43 54 34 39 25 51 35 ~ 33 36 45 23 14 10 19 30 22 15 18 18 ~ 32.79 69.00 29.00
5 25 27 35 33 33 25 17 20 31 40 32 19 15 29 35 43 30 34 33 19 19 28 25 35 30 24 18 18 22 19 26 27.06 43.00 31.00
6 35 31 28 34 28 24 21 25 30 21 13 21 27 25 16 11 20 29 37 41 44 31 36 21 16 13 17 19 26 29 ~ 25.63 44.00 30.00
7 22 30 39 25 16 17 17 17 18 29 30 20 28 35 17 17 36 24 12 18 21 20 24 39 33 31 27 18 12 25 30 24.10 39.00 31.00
8 37 36 26 28 14 24 30 32 32 47 26 27 43 52 48 36 39 53 40 20 24 27 34 32 23 20 26 39 43 25 28 32.61 53.00 31.00
9 38 22 15 24 35 28 40 47 32 30 34 50 46 32 30 37 28 30 48 28 42 37 29 48 51 59 71 53 40 35 ~ 37.97 71.00 30.00
10 25 46 45 47 52 35 24 28 33 39 56 94 86 66 57 87 77 76 85 59 71 82 85 97 86 62 70 73 78 82 82 64.03 97.00 31.00
11 93 78 85 72 66 56 92 89 84 85 72 62 80 79 90 94 71 68 75 89 74 80 81 80 64 55 73 76 58 63 ~ 76.13 94.00 30.00
12 60 58 62 57 56 53 52 58 58 58 96 96 57 60 46 43 49 84 74 80 56 63 68 64 63 72 77 99 95 97 73 67.23 99.00 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. 22 23 12 11 3 0 0 0 71 49 26 14 3 0 0 0 181
REL. 30.9 32.3 16.9 15.4 4.2 0.0 0.0 0.0 100.0 69.0 36.6 19.7 4.2 0.0 0.0 0.04.1
ID 30 32 16 30 21 0 0 0 132
ABS. 65 24 1 0 0 0 0 0 90 25 1 0 0 0 0 0 69
REL. 72.2 26.6 1.1 0.0 0.0 0.0 0.0 0.0 100.0 27.8 1.1 0.0 0.0 0.0 0.0 0.0 3.4
ID 72 26 1 0 0 0 0 0 100
ABS. 57 34 1 0 0 0 0 0 92 35 1 0 0 0 0 0 71
REL. 61.9 36.9 1.0 0.0 0.0 0.0 0.0 0.0100.0 38.0 1.1 0.0 0.0 0.0 0.0 0.0 27.9
ID 61 36 1 0 0 0 0 0 100
ABS. 4 37 51 0 0 0 0 0 92 88 51 0 0 0 0 0 99
REL 4.3 40.2 55.4 0.0 0.0 0.0 0.0 0.0100.0 95.7 55.4 0.0 0.0 0.0 0.0 0.028.12
ID 4 40 55 0 0 0 0 0 100
Year
ABS. 148 118 65 11 3 0 0 0 345 197 79 14 3 0 0 0 181
REL. 42.8 34.2 18.8 3.1 0.8 0.0 0.0 0.0100.0 57.1 22.9 4.1 0.9 0.0 0.0 0.0 4.1
ID 42 34 18 6 4 0 0 0 106

Note:

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