Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 610 - Pha10-Uhrineves
Code:CZ10HSUHR
Institution:Public Health Service
Region:Hlavni mesto Praha
District:Praha 10
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 35 32 ~ ~ 5.00 22 27 27 33 ~ ~ 56 68 61 50 ~ ~ ~ 46 39 47 48 ~ ~ ~ 65 84 35 44 11 ~ 41.75 84.00 20.00
2 ~ 12 12 29 46 53 ~ ~ 35 36 27 13 39 ~ ~ 40 37 46 43 39 ~ ~ 61 50 67 48 27 ~ ~ ~ ~ 38.00 67.00 20.00
3 ~ 16 21 21 17 ~ ~ ~ 32 40 31 25 24 ~ ~ 53 127 98 57 60 ~ ~ 79 124 53 35 ~ ~ ~ 13 29 47.75 127.00 20.00
4 23 25 30 ~ ~ 24 77 25 ~ ~ ~ ~ ~ 49 29 19 23 ~ ~ 51 29 31 18 28 ~ ~ 19 6.00 ~ ~ ~ 29.76 77.00 17.00
5 ~ ~ ~ 17 ~ ~ 24 ~ ~ ~ 7.00 33 26 33 30 ~ ~ 25 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 24.38 33.00 8.00
6 42 35 43 26 52 ~ ~ ~ 23 34 67 34 ~ ~ 14 20 22 29 20 ~ ~ ~ ~ 12 ~ ~ ~ ~ 36 20 ~ 31.12 67.00 17.00
7 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
8 ~ ~ ~ ~ ~ ~ ~ ~ ~ 12 ~ 14 28 18 ~ ~ 15 28 39 26 20 ~ ~ 36 29 44 36 32 ~ ~ 65 29.47 65.00 15.00
9 51 83 52 63 ~ ~ 45 33 26 28 45 ~ ~ 55 61 83 36 26 ~ ~ 22 34 31 17 17 ~ ~ 24 15 21 ~ 39.45 83.00 22.00
10 22 51 ~ ~ 66 78 109 82 83 ~ ~ 45 50 49 47 35 ~ ~ 19 29 32 48 34 ~ ~ 16 ~ ~ 6.00 40 ~ 47.05 109.00 20.00
11 ~ 66 48 89 81 102 ~ ~ 204 51 86 86 ~ ~ ~ 63 53 36 93 110 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 83.43 204.00 14.00
12 67 121 100 32 ~ ~ 232 149 116 ~ 106 ~ ~ 79 125 113 141 105 ~ ~ 19 87 23 ~ 64 ~ ~ 99 73 88 87 96.48 232.00 21.00

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. 23 30 5 2 0 0 0 0 60 37 7 2 0 0 0 0 127
REL. 38.3 50.0 8.3 3.3 0.0 0.0 0.0 0.0 100.0 61.7 11.7 3.3 0.0 0.0 0.0 0.017.3
ID 38 50 8 6 0 0 0 0 103
ABS. 31 9 2 0 0 0 0 0 421 11 2 0 0 0 0 0 77
REL. 73.8 21.4 4.7 0.0 0.0 0.0 0.0 0.0 100.0 26.2 4.8 0.0 0.0 0.0 0.0 0.0 7.4
ID 73 21 4 0 0 0 0 0 100
ABS. 21 14 2 0 0 0 0 0 371 16 2 0 0 0 0 0 83
REL. 56.7 37.8 5.4 0.0 0.0 0.0 0.0 0.0100.0 43.2 5.4 0.0 0.0 0.0 0.0 0.0 2.9
ID 56 37 5 0 0 0 0 0 100
ABS. 9 17 16 11 0 2 0 0 551 46 29 13 2 2 0 0 232
REL 16.3 30.9 29.0 20.0 0.0 3.6 0.0 0.0100.0 83.6 52.7 23.6 3.6 3.6 0.0 0.0 7.12
ID 16 30 29 40 0 90 0 0 207
Year
ABS. 84 70 25 13 0 2 0 0 1941 110 40 15 2 2 0 0 232
REL. 43.2 36.0 12.8 6.7 0.0 1.0 0.0 0.0100.0 56.7 20.6 7.7 1.0 1.0 0.0 0.0 7.12
ID 43 36 12 13 0 25 0 0 131

Note:

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