Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 394 - Usti n.L.-Moskevska
Code:CZULHSUMO
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 24 30 68 191 319 313 161 138 81 27 40 60 93 79 68 168 100 186 104 90 94 154 104 122 148 122 121 98 37 26 49 110.16 319.00 31.00
2 26 19 41 17 19 46 36 46 45 42 31 39 38 39 12 22 24 19 29 31 42 23 31 48 43 27 40 38 ~ ~ ~ 32.61 48.00 28.00
3 79 128 101 121 114 55 81 80 90 95 30 93 59 50 ~ 24 72 114 73 25 39 49 42 98 117 105 27 16 28 58 69 71.07 128.00 30.00
4 66 62 41 35 39 43 27 25 37 ~ ~ ~ ~ ~ ~ ~ ~ ~ 50 54 78 78 51 37 25 58 30 25 53 60 ~ 46.38 78.00 21.00
5 26 19 41 17 19 46 36 46 45 42 31 39 38 39 12 22 24 19 29 31 42 23 31 48 43 27 40 38 23 27 28 31.97 48.00 31.00
6 27 34 34 37 19 19 50 45 36 25 19 19 12 17 24 25 31 28 29 24 24 23 25 36 32 29 22 44 41 34 ~ 28.80 50.00 30.00
7 33 32 21 19 11 13 26 26 9.00 8.00 18 29 33 38 ~ 30 24 19 ~ ~ ~ 26 20 10 15 16 17 17 21 23 17 21.15 38.00 27.00
8 22 28 34 36 53 33 27 26 35 39 24 30 36 27 20 26 36 38 36 27 11 24 43 40 62 32 27 13 ~ 41 89 33.83 89.00 30.00
9 32 27 25 26 27 55 39 59 65 54 33 70 66 73 73 60 38 35 24 21 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 45.10 73.00 20.00

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. 24 25 19 14 5 0 2 0 89 65 40 21 7 2 2 0 319
REL. 26.9 28.0 21.3 15.7 5.6 0.0 2.2 0.0 100.0 73.0 44.9 23.6 7.9 2.2 2.2 0.05.1
ID 26 28 21 31 28 0 280 0 416
ABS. 42 38 2 0 0 0 0 0 82 40 2 0 0 0 0 0 78
REL. 51.2 46.3 2.4 0.0 0.0 0.0 0.0 0.0 100.0 48.8 2.4 0.0 0.0 0.0 0.0 0.0 21.4
ID 51 46 2 0 0 0 0 0 100
ABS. 50 23 4 0 0 0 0 0 77 27 4 0 0 0 0 0 89
REL. 64.9 29.8 5.1 0.0 0.0 0.0 0.0 0.0100.0 35.1 5.2 0.0 0.0 0.0 0.0 0.0 31.8
ID 64 29 5 0 0 0 0 0 100
ABS. 0 0 0 0 0 0 0 0 02 0 0 0 0 0 0 0 0
Year
ABS. 116 86 25 14 5 0 2 0 248 132 46 21 7 2 2 0 319
REL. 46.7 34.6 10.0 5.6 2.0 0.0 0.8 0.0100.0 53.2 18.5 8.5 2.8 0.8 0.8 0.0 5.1
ID 46 34 10 11 10 0 100 0 213

Note:

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