Detailed overview of ambient air pollution valuis from individual stations

1137 - PHA1-Narodni muzeum

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1137 - PHA1-Narodni muzeum
Code:CZ01HSNAR
Institution:Public Health Service
Region:Hlavni mesto Praha
District:Praha 1
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ ~ ~ ~ 76 77 146 72 104 ~ ~ ~ 108 112 148 99 ~ ~ 100 38 54 107 119 ~ ~ 143 75 121 78 130 100.37 148.00 19.00
2 ~ ~ 163 147 104 96 134 ~ ~ 128 61 76 66 121 ~ ~ 126 83 38 68 ~ ~ ~ 102 66 ~ 234 112 ~ ~ ~ 106.94 234.00 18.00
3 ~ ~ 55 41 40 51 74 ~ ~ 103 ~ 87 79 34 ~ ~ 41 ~ 126 74 72 ~ ~ 148 82 ~ ~ 75 ~ ~ ~ 73.88 148.00 16.00
4 ~ 96 64 52 ~ ~ 71 94 152 90 55 ~ ~ 80 59 63 113 73 ~ ~ 116 63 80 97 91 ~ ~ 75 86 ~ ~ 83.50 152.00 20.00
5 ~ ~ ~ ~ 101 78 85 ~ ~ ~ ~ 88 109 143 68 93 ~ ~ 85 81 78 74 71 ~ ~ 73 47 70 56 64 ~ 81.33 143.00 18.00
6 ~ 73 84 75 49 53 ~ ~ ~ ~ 22 25 85 ~ ~ 62 71 51 98 59 ~ ~ ~ 84 84 112 127 ~ ~ 44 ~ 69.89 127.00 18.00
7 68 53 70 54 ~ ~ 42 18 40 35 ~ ~ ~ 131 79 77 64 65 ~ ~ 64 56 69 73 57 ~ ~ 37 109 76 82 64.50 131.00 22.00
8 18 ~ ~ 44 30 15 ~ 20 ~ ~ 77 79 111 123 97 ~ ~ 53 60 59 66 67 ~ ~ 80 99 107 61 61 ~ ~ 66.35 123.00 20.00
9 86 90 76 106 80 ~ ~ 72 44 72 ~ ~ ~ ~ 71 79 95 111 72 ~ ~ 117 95 92 50 110 ~ ~ 78 45 ~ 82.05 117.00 20.00
10 51 105 ~ ~ ~ 84 124 92 67 ~ ~ ~ 61 45 ~ 85 ~ ~ ~ 102 79 80 91 79 ~ ~ 100 ~ 131 109 39 84.67 131.00 18.00
11 ~ ~ 91 120 90 118 147 ~ ~ 106 94 89 73 96 ~ ~ 49 88 78 122 131 ~ ~ 105 68 78 66 82 ~ ~ ~ 94.55 147.00 20.00
12 53 48 23 40 53 ~ ~ 46 63 78 94 63 ~ ~ 63 76 89 ~ ~ ~ ~ 108 79 ~ ~ ~ ~ ~ 128 105 106 73.06 128.00 18.00

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. 0 12 18 21 1 1 0 0 531 53 41 23 2 1 0 0 234
REL. 0.0 22.6 33.9 39.6 1.8 1.8 0.0 0.0 100.0 100.0 77.4 43.4 3.8 1.9 0.0 0.027.2
ID 0 22 33 79 9 47 0 0 192
ABS. 2 15 31 7 1 0 0 0 561 54 39 8 1 0 0 0 152
REL. 3.5 26.7 55.3 12.5 1.7 0.0 0.0 0.0 100.0 96.4 69.6 14.3 1.8 0.0 0.0 0.0 9.4
ID 3 26 55 25 8 0 0 0 119
ABS. 5 21 27 9 0 0 0 0 62 57 36 9 0 0 0 0 131
REL. 8.0 33.8 43.5 14.5 0.0 0.0 0.0 0.0100.0 91.9 58.1 14.5 0.0 0.0 0.0 0.0 14.7
ID 8 33 43 29 0 0 0 0 114
ABS. 1 14 25 16 0 0 0 0 561 55 41 16 0 0 0 0 147
REL 1.7 25.0 44.6 28.5 0.0 0.0 0.0 0.0100.0 98.2 73.2 28.6 0.0 0.0 0.0 0.0 7.11
ID 1 25 44 57 0 0 0 0 128
Year
ABS. 8 62 101 53 2 1 0 0 2271 219 157 56 3 1 0 0 234
REL. 3.5 27.3 44.4 23.3 0.8 0.4 0.0 0.0100.0 96.5 69.2 24.7 1.3 0.4 0.0 0.0 27.2
ID 3 27 44 46 4 11 0 0 137

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