Detailed overview of ambient air pollution valuis from individual stations

457 - PHA10-Srobarova

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 457 - PHA10-Srobarova
Code:CZ10HSSRO
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 ~ 75 60 ~ ~ 53 90 127 58 77 ~ ~ 102 139 161 224 163 ~ ~ 158 91 59 99 108 ~ ~ 124 77 84 64 64 102.59 224.00 22.00
2 ~ ~ 99 57 70 62 105 ~ ~ 57 37 40 27 55 ~ ~ 61 41 43 66 46 ~ ~ 32 30 38 49 49 ~ ~ ~ 53.20 105.00 20.00
3 ~ ~ 71 74 94 99 123 ~ ~ 142 181 141 65 38 ~ ~ 75 35 81 65 65 ~ ~ 73 99 73 56 ~ ~ ~ ~ 86.84 181.00 19.00
4 179 125 68 42 ~ ~ 91 69 61 66 64 ~ ~ 43 34 43 82 61 ~ ~ 99 58 82 52 51 ~ ~ 52 47 41 ~ 68.64 179.00 22.00
5 ~ 72 ~ ~ 54 34 47 ~ 31 ~ ~ 78 49 61 75 68 ~ ~ 41 32 51 49 54 ~ ~ 51 34 44 19 75 ~ 50.95 78.00 20.00
6 ~ 52 55 40 35 89 ~ ~ 95 48 55 83 42 ~ ~ 46 98 61 44 49 ~ ~ 24 39 51 47 51 ~ ~ 38 ~ 54.38 98.00 21.00
7 41 33 59 40 ~ ~ 33 34 18 59 68 ~ ~ 42 51 67 31 66 ~ ~ 52 66 66 76 34 ~ ~ 68 51 74 46 51.09 76.00 23.00
8 81 ~ ~ 89 96 68 33 51 ~ ~ 49 72 112 126 39 ~ ~ 74 55 49 67 91 ~ ~ 85 86 123 135 114 ~ ~ 80.71 135.00 21.00
9 77 126 75 72 46 ~ ~ 38 25 44 73 61 ~ ~ 91 79 63 58 61 ~ ~ 67 53 87 128 135 ~ ~ 187 83 ~ 78.59 187.00 22.00
10 54 36 64 ~ ~ 153 99 91 63 47 ~ ~ 71 63 84 89 76 ~ ~ 82 144 137 101 64 ~ ~ 153 ~ 162 118 65 91.64 162.00 22.00
11 ~ ~ 72 102 106 261 326 ~ ~ 142 143 120 35 33 ~ ~ 61 29 47 160 199 ~ ~ 70 77 105 87 81 ~ ~ ~ 112.80 326.00 20.00
12 69 73 68 41 80 ~ ~ 100 136 98 77 65 ~ ~ 39 58 28 41 86 ~ ~ 203 ~ ~ ~ ~ ~ ~ 67 112 89 80.53 203.00 19.00

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. 3 26 18 9 4 1 0 0 61 58 32 14 5 1 0 0 224
REL. 4.9 42.6 29.5 14.7 6.5 1.6 0.0 0.0 100.0 95.1 52.5 23.0 8.2 1.6 0.0 0.016.1
ID 4 42 29 29 32 40 0 0 180
ABS. 4 42 15 1 1 0 0 0 63 59 17 2 1 0 0 0 179
REL. 6.3 66.6 23.8 1.5 1.5 0.0 0.0 0.0 100.0 93.7 27.0 3.2 1.6 0.0 0.0 0.0 1.4
ID 6 66 23 3 7 0 0 0 107
ABS. 6 27 24 8 1 0 0 0 66 60 33 9 1 0 0 0 187
REL. 9.0 40.9 36.3 12.1 1.5 0.0 0.0 0.0100.0 90.9 50.0 13.6 1.5 0.0 0.0 0.0 29.9
ID 9 40 36 24 7 0 0 0 118
ABS. 3 16 22 12 5 2 1 0 61 58 42 20 8 3 1 0 326
REL 4.9 26.2 36.0 19.6 8.1 3.2 1.6 0.0100.0 95.1 68.9 32.8 13.1 4.9 1.6 0.0 7.11
ID 4 26 36 39 40 81 204 0 434
Year
ABS. 16 111 79 30 11 3 1 0 251 235 124 45 15 4 1 0 326
REL. 6.3 44.2 31.4 11.9 4.3 1.1 0.3 0.0100.0 93.6 49.4 17.9 6.0 1.6 0.4 0.0 7.11
ID 6 44 31 23 21 29 49 0 207

Note:

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

Detailed overview of ambient air pollution valuis from individual stations - selection station