Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 629 - Pha5-Reporyje
Code:CZ05HSREP
Institution:Public Health Service
Region:Hlavni mesto Praha
District:Praha 5
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 20 10 11 15 ~ ~ ~ 60 ~ ~ ~ ~ ~ ~ 35 21 37 28 31 58 48 62 40 38 49 73 59 67 46 36 88 42.36 88.00 22.00
2 65 64 57 27 25 17 18 ~ ~ 198 39 16 5.00 92 46 59 27 56 73 61 30 26 28 33 19 58 26 23 ~ ~ ~ 45.69 198.00 26.00
3 17 34 ~ 91 94 71 36 45 63 79 64 ~ 54 33 49 31 54 83 53 14 15 82 54 76 124 70 60 71 69 69 72 59.55 124.00 29.00
4 80 39 46 22 27 38 28 30 41 13 34 32 29 46 48 62 53 52 37 140 52 98 105 45 45 66 53 69 57 32 ~ 50.63 140.00 30.00
5 80 25 39 20 54 13 ~ 14 49 25 9.00 25 19 28 12 24 18 16 10 8.00 7.00 16 17 34 13 58 56 11 9.00 33 18 25.33 80.00 30.00
6 ~ 12 5.00 4.00 10 11 14 20 29 31 18 19 28 24 33 29 24 23 30 ~ 35 44 70 60 58 61 53 49 92 28 ~ 32.64 92.00 28.00
7 27 ~ ~ ~ 12 9.00 13 93 34 20 37 32 44 27 50 42 53 83 41 16 21 27 12 34 31 26 18 11 39 68 44 34.43 93.00 28.00
8 57 76 112 109 72 34 42 30 47 46 33 ~ ~ ~ ~ ~ ~ ~ 15 47 22 94 172 146 ~ ~ 6.00 22 9.00 ~ ~ 59.55 172.00 20.00
9 25 34 36 27 54 59 54 60 87 134 47 51 65 100 84 54 26 11 77 53 18 ~ 50 89 88 92 80 83 17 21 ~ 57.79 134.00 29.00
10 24 13 13 32 49 97 60 71 90 66 83 69 161 86 63 42 30 79 92 61 40 26 21 20 40 29 131 93 114 92 90 63.77 161.00 31.00
11 111 101 93 27 41 14 9.00 18 10 30 43 19 48 37 133 33 64 75 64 ~ ~ 164 133 ~ 91 52 69 19 39 56 ~ 59.00 164.00 27.00
12 45 41 30 25 45 28 15 19 13 16 20 22 12 10 18 22 16 20 23 32 25 24 18 9.00 29 23 32 23 26 23 17 23.26 45.00 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. 26 32 17 1 1 0 0 0 77 51 19 2 1 0 0 0 198
REL. 33.7 41.5 22.0 1.2 1.2 0.0 0.0 0.0 100.0 66.2 24.7 2.6 1.3 0.0 0.0 0.010.2
ID 33 41 22 2 6 0 0 0 106
ABS. 50 30 6 2 0 0 0 0 88 38 8 2 0 0 0 0 140
REL. 56.8 34.0 6.8 2.2 0.0 0.0 0.0 0.0 100.0 43.2 9.1 2.3 0.0 0.0 0.0 0.0 20.4
ID 56 34 6 4 0 0 0 0 102
ABS. 29 28 15 4 1 0 0 0 77 48 20 5 1 0 0 0 172
REL. 37.6 36.3 19.4 5.1 1.2 0.0 0.0 0.0100.0 62.3 26.0 6.5 1.3 0.0 0.0 0.0 23.8
ID 37 36 19 10 6 0 0 0 110
ABS. 46 20 15 6 2 0 0 0 89 43 23 8 2 0 0 0 164
REL 51.6 22.4 16.8 6.7 2.2 0.0 0.0 0.0100.0 48.3 25.8 9.0 2.2 0.0 0.0 0.022.11
ID 51 22 16 13 11 0 0 0 115
Year
ABS. 151 110 53 13 4 0 0 0 331 180 70 17 4 0 0 0 198
REL. 45.6 33.2 16.0 3.9 1.2 0.0 0.0 0.0100.0 54.4 21.1 5.1 1.2 0.0 0.0 0.0 10.2
ID 45 33 16 7 6 0 0 0 108

Note:

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