Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 629 - Pha5-Reporyje
Code:CZ05HSREP
Institution:Public Health Service
Region:Prague
District:Praha 5
IHd: 100
Measure method:triethanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 101 40 36 27 86 38 66 32 46 74 90 59 56 51 45 11 70 28 ~ 18 22 33 37 41 47 21 17 15 20 17 43 42.90 101.00 30.00
2 34 61 59 49 43 64 42 38 38 44 39 29 16 22 44 35 39 30 21 122 30 35 27 52 ~ 69 28 15 ~ ~ ~ 41.67 122.00 27.00
3 18 13 17 53 81 49 23 60 38 37 40 98 56 22 27 30 11 51 86 81 21 ~ ~ 56 23 11 173 61 41 77 73 49.21 173.00 29.00
4 41 51 25 34 16 25 23 16 17 22 30 11 36 38 54 62 109 62 54 37 37 79 64 46 113 36 28 39 40 11 ~ 41.87 113.00 30.00
5 8.00 12 9.00 15 13 16 18 19 20 35 16 49 36 37 19 48 23 21 15 11 14 23 23 ~ 15 21 22 20 14 24 ~ 21.24 49.00 29.00
6 8.00 7.00 21 22 ~ ~ 25 15 30 8.00 29 22 22 27 30 37 61 68 27 36 41 60 17 21 21 16 29 19 39 38 ~ 28.43 68.00 28.00
7 44 33 46 11 24 35 38 43 67 12 24 19 7.00 8.00 6.00 14 23 10 8.00 11 8.00 9.00 9.00 9.00 10 9.00 9.00 8.00 8.00 11 12 18.87 67.00 31.00
8 13 54 19 32 15 32 37 66 21 25 28 32 24 31 18 58 34 99 60 64 55 33 299 120 102 56 48 18 28 27 32 50.97 299.00 31.00
9 29 36 14 71 57 102 48 40 53 61 56 104 91 69 73 51 40 37 59 77 58 50 37 37 54 44 28 39 100 190 ~ 60.17 190.00 30.00
10 132 111 42 50 54 51 ~ 33 84 40 37 32 60 53 62 86 48 32 31 78 97 31 90 65 39 ~ ~ 36 67 105 73 61.39 132.00 28.00
11 47 20 27 28 31 16 16 70 12 40 33 21 19 83 149 76 69 123 79 65 23 95 54 73 89 ~ 52 69 52 44 ~ 54.31 149.00 29.00
12 72 81 56 65 42 31 44 25 ~ ~ ~ ~ ~ ~ 18 15 55 86 51 28 85 37 50 42 39 36 47 13 29 48 ~ 45.62 86.00 24.00

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. 32 40 11 2 1 0 0 0 86 54 14 3 1 0 0 0 173
REL. 37.2 46.5 12.7 2.3 1.1 0.0 0.0 0.0 100.0 62.8 16.3 3.5 1.2 0.0 0.0 0.027.3
ID 37 46 12 4 5 0 0 0 106
ABS. 55 28 2 2 0 0 0 0 87 32 4 2 0 0 0 0 113
REL. 63.2 32.1 2.2 2.2 0.0 0.0 0.0 0.0 100.0 36.8 4.6 2.3 0.0 0.0 0.0 0.0 25.4
ID 63 32 2 4 0 0 0 0 102
ABS. 45 33 8 4 1 1 0 0 92 47 14 6 2 1 0 0 299
REL. 48.9 35.8 8.6 4.3 1.0 1.0 0.0 0.0100.0 51.1 15.2 6.5 2.2 1.1 0.0 0.0 23.8
ID 48 35 8 8 5 27 0 0 134
ABS. 23 33 20 5 0 0 0 0 81 58 25 5 0 0 0 0 149
REL 28.3 40.7 24.6 6.1 0.0 0.0 0.0 0.0100.0 71.6 30.9 6.2 0.0 0.0 0.0 0.015.11
ID 28 40 24 12 0 0 0 0 106
Year
ABS. 155 134 41 13 2 1 0 0 346 191 57 16 3 1 0 0 299
REL. 44.7 38.7 11.8 3.7 0.5 0.2 0.0 0.0100.0 55.2 16.5 4.6 0.9 0.3 0.0 0.0 23.8
ID 44 38 11 7 2 7 0 0 113

Note:

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