Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 457 - Pha10-Srobarova
Code:CZ10HSSRO
Institution:Public Health Service
Region:Prague
District:Praha 10
IHd: 100
Measure method:triethanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ 43 123 121 ~ ~ 166 171 68 73 78 ~ ~ 117 69 66 90 64 ~ ~ 69 87 67 71 58 ~ ~ 36 58 98 90 85.59 171.00 22.00
2 73 ~ ~ 132 78 102 93 62 ~ ~ 42 52 ~ 53 56 ~ ~ 75 38 23 15 19 ~ ~ 44 37 44 53 ~ ~ ~ 57.42 132.00 19.00
3 60 ~ ~ 84 177 274 64 88 ~ ~ 73 121 80 46 51 ~ ~ 67 68 62 69 ~ ~ ~ 45 40 73 157 ~ ~ ~ 89.42 274.00 19.00
4 ~ 59 41 31 34 ~ ~ 44 46 35 47 38 ~ ~ 62 54 71 54 58 ~ ~ 67 48 59 42 35 ~ ~ 43 57 ~ 48.81 71.00 21.00
5 ~ 80 87 ~ ~ 46 26 ~ 39 61 ~ ~ 51 55 72 53 42 ~ ~ 64 89 69 68 86 ~ ~ 68 44 53 65 31 59.48 89.00 21.00
6 ~ ~ 65 50 31 10 57 ~ ~ 79 62 60 39 57 ~ ~ 49 60 66 40 53 ~ ~ 60 54 44 47 ~ ~ ~ ~ 51.74 79.00 19.00
7 ~ ~ ~ ~ ~ ~ ~ 66 ~ 36 38 26 ~ ~ 26 45 51 33 42 ~ ~ 36 67 55 36 66 ~ ~ ~ ~ 88 47.40 88.00 15.00
8 67 98 ~ ~ 78 99 88 77 139 ~ ~ ~ ~ 109 93 75 ~ ~ ~ ~ 78 79 82 ~ ~ ~ ~ ~ 97 ~ ~ 89.93 139.00 14.00
9 ~ ~ ~ ~ ~ ~ ~ ~ 104 95 78 82 ~ ~ ~ 120 77 67 76 106 ~ ~ 56 54 76 76 88 ~ ~ 158 ~ 87.53 158.00 15.00
10 129 86 83 92 ~ ~ ~ 49 120 105 44 ~ ~ 74 92 85 71 59 ~ ~ 96 112 48 65 ~ ~ ~ ~ 83 132 106 86.55 132.00 20.00
11 106 ~ ~ 98 73 60 ~ 53 ~ ~ 161 109 86 ~ 172 ~ ~ 157 153 99 135 ~ ~ ~ 122 189 155 66 119 ~ ~ 117.39 189.00 18.00
12 ~ 57 51 ~ 51 102 ~ ~ ~ ~ 57 63 52 ~ ~ 62 70 44 52 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 60.09 102.00 11.00

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 23 23 6 4 1 0 0 60 57 34 11 5 1 0 0 274
REL. 5.0 38.3 38.3 10.0 6.6 1.6 0.0 0.0 100.0 95.0 56.7 18.3 8.3 1.7 0.0 0.06.3
ID 5 38 38 20 33 41 0 0 176
ABS. 5 45 11 0 0 0 0 0 61 56 11 0 0 0 0 0 89
REL. 8.1 73.7 18.0 0.0 0.0 0.0 0.0 0.0 100.0 91.8 18.0 0.0 0.0 0.0 0.0 0.0 21.5
ID 8 73 18 0 0 0 0 0 100
ABS. 3 12 23 5 1 0 0 0 441 41 29 6 1 0 0 0 158
REL. 6.8 27.2 52.2 11.3 2.2 0.0 0.0 0.0100.0 93.2 65.9 13.6 2.3 0.0 0.0 0.0 30.9
ID 6 27 52 22 11 0 0 0 120
ABS. 0 17 14 12 6 0 0 0 491 49 32 18 6 0 0 0 189
REL 0.0 34.6 28.5 24.4 12.2 0.0 0.0 0.0100.0 100.0 65.3 36.7 12.2 0.0 0.0 0.026.11
ID 0 34 28 48 61 0 0 0 173
Year
ABS. 11 97 71 23 11 1 0 0 2141 203 106 35 12 1 0 0 274
REL. 5.1 45.3 33.1 10.7 5.1 0.4 0.0 0.0100.0 94.9 49.5 16.4 5.6 0.5 0.0 0.0 6.3
ID 5 45 33 21 25 11 0 0 142

Note:

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