Detailed overview of ambient air pollution valuis from individual stations


Year: 2000
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 17 10 21 13 89 208 75 48 48 137 73 26 15 25 44 36 14 23 28 24 54 47 34 20 30 83 33 34 15 26 25 44.35 208.00 31.00
2 37 6.00 6.00 13 6.00 15 13 8.00 18 ~ 6.00 12 12 ~ ~ 33 6.00 8.00 5.00 ~ ~ ~ 32 41 40 50 122 109 62 ~ ~ 28.70 122.00 23.00
3 31 20 24 10 13 22 56 44 30 66 30 52 71 68 28 19 15 30 32 36 43 73 86 115 59 32 35 58 48 ~ ~ 42.97 115.00 29.00
4 51 39 20 22 46 ~ 19 27 21 24 29 35 34 51 33 13 14 12 21 68 32 ~ 22 11 36 53 61 44 47 77 ~ 34.36 77.00 28.00
5 41 53 49 97 85 46 36 55 64 52 67 86 28 93 40 90 ~ 19 10 36 14 21 36 14 16 56 65 89 25 16 29 47.60 97.00 30.00
6 42 69 35 75 58 83 53 71 86 62 13 24 35 ~ 155 83 69 43 50 66 21 19 23 23 21 ~ 71 35 30 16 ~ 51.11 155.00 28.00
7 21 33 21 20 19 24 29 13 12 25 ~ 19 20 13 21 13 10 19 ~ 31 31 11 40 43 15 40 29 19 32 11 11 22.24 43.00 29.00
8 10 26 17 15 17 15 19 ~ 62 45 ~ 24 34 92 32 31 12 17 18 24 23 16 17 26 15 13 53 36 24 28 27 27.17 92.00 29.00
9 24 18 18 27 16 71 71 70 75 85 253 189 54 58 33 21 38 36 40 83 66 14 111 41 23 62 93 47 23 60 ~ 60.67 253.00 30.00
10 43 85 66 156 127 61 37 41 59 53 42 59 158 41 ~ 79 38 49 74 137 140 174 65 177 35 48 25 31 102 92 53 78.23 177.00 30.00
11 72 91 68 30 83 60 117 135 121 89 ~ 115 122 128 96 100 78 47 66 166 49 114 371 132 84 30 130 118 96 75 ~ 102.86 371.00 29.00
12 49 50 91 49 53 39 42 128 ~ 252 70 77 46 73 154 63 72 68 114 177 44 169 44 25 24 64 31 112 59 32 28 76.63 252.00 30.00

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. 47 23 8 4 0 1 0 0 83 36 13 5 1 1 0 0 208
REL. 56.6 27.7 9.6 4.8 0.0 1.2 0.0 0.0 100.0 43.4 15.7 6.0 1.2 1.2 0.0 0.06.1
ID 56 27 9 9 0 30 0 0 133
ABS. 34 34 17 0 1 0 0 0 86 52 18 1 1 0 0 0 155
REL. 39.5 39.5 19.7 0.0 1.1 0.0 0.0 0.0 100.0 60.5 20.9 1.2 1.2 0.0 0.0 0.0 15.6
ID 39 39 19 0 5 0 0 0 104
ABS. 59 18 8 1 1 1 0 0 88 29 11 3 2 1 0 0 253
REL. 67.0 20.4 9.0 1.1 1.1 1.1 0.0 0.0100.0 33.0 12.5 3.4 2.3 1.1 0.0 0.0 11.9
ID 67 20 9 2 5 28 0 0 132
ABS. 9 32 21 17 8 1 1 0 89 80 48 27 10 2 1 0 371
REL 10.1 35.9 23.5 19.1 8.9 1.1 1.1 0.0100.0 89.9 53.9 30.3 11.2 2.2 1.1 0.023.11
ID 10 35 23 38 44 28 140 0 321
Year
ABS. 149 107 54 22 10 3 1 0 346 197 90 36 14 4 1 0 371
REL. 43.0 30.9 15.6 6.3 2.8 0.8 0.2 0.0100.0 56.9 26.0 10.4 4.0 1.2 0.3 0.023.11
ID 43 30 15 12 14 21 36 0 174

Note:

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