Detailed overview of ambient air pollution valuis from individual stations

862 - PHA7-ZOO

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 862 - PHA7-ZOO
Code:CZ07HSZOO
Institution:Public Health Service
Region:Hlavni mesto Praha
District:Praha 7
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ 111 ~ ~ ~ 54 52 124 66 33 ~ ~ 108 165 173 129 147 ~ ~ 27 20 22 30 29 ~ ~ 98 62 55 37 33 75.00 173.00 21.00
2 ~ ~ 102 57 39 51 131 ~ ~ 69 42 33 21 28 ~ ~ 43 45 28 44 30 ~ ~ 59 29 20 35 64 ~ ~ ~ 48.50 131.00 20.00
3 ~ ~ 42 61 58 65 86 ~ ~ 77 69 41 28 19 ~ ~ 30 29 ~ 49 58 ~ ~ 58 65 50 37 16 ~ ~ ~ 49.37 86.00 19.00
4 45 44 11 11 ~ ~ 14 15 24 21 10 ~ ~ 16 28 38 33 20 ~ ~ 57 17 48 14 34 ~ ~ 23 27 11 ~ 25.50 57.00 22.00
5 ~ ~ ~ ~ 35 22 37 ~ 25 ~ ~ 32 35 43 40 32 ~ ~ 44 41 23 35 22 ~ ~ 39 50 10 ~ 60 ~ 34.72 60.00 18.00
6 ~ 34 44 29 34 28 ~ ~ 11 20 27 105 45 ~ ~ 29 40 29 25 31 ~ ~ 24 46 47 65 32 ~ ~ 16 ~ 36.24 105.00 21.00
7 20 19 20 17 ~ ~ 10 19 31 22 40 ~ ~ 44 35 51 37 23 ~ ~ 37 27 52 ~ ~ ~ ~ ~ ~ ~ ~ 29.65 52.00 17.00
8 24 ~ ~ 30 31 49 31 24 ~ ~ 24 27 56 32 19 ~ ~ 44 50 67 66 45 ~ ~ 36 68 66 67 29 ~ ~ 42.14 68.00 21.00
9 77 53 62 62 73 ~ ~ 45 28 56 65 64 ~ ~ 98 74 81 91 109 ~ ~ 157 57 72 52 40 ~ ~ 97 69 ~ 71.91 157.00 22.00
10 79 72 ~ ~ ~ 97 136 78 41 39 ~ ~ 57 62 46 88 76 ~ ~ 96 83 144 31 37 ~ ~ ~ ~ 44 ~ ~ 72.56 144.00 18.00
11 ~ ~ 78 81 96 121 201 ~ ~ 175 111 92 39 65 ~ ~ 60 58 49 166 167 ~ ~ 103 ~ ~ ~ ~ ~ ~ ~ 103.88 201.00 16.00
12 22 50 69 39 24 ~ ~ 9.00 48 43 49 31 ~ ~ 33 42 28 41 80 ~ ~ ~ ~ ~ ~ ~ ~ ~ 93 103 ~ 47.29 103.00 17.00

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. 19 27 5 7 2 0 0 0 60 41 14 9 2 0 0 0 173
REL. 31.6 45.0 8.3 11.6 3.3 0.0 0.0 0.0 100.0 68.3 23.3 15.0 3.3 0.0 0.0 0.015.1
ID 31 45 8 23 16 0 0 0 125
ABS. 35 25 0 1 0 0 0 0 61 26 1 1 0 0 0 0 105
REL. 57.3 40.9 0.0 1.6 0.0 0.0 0.0 0.0 100.0 42.6 1.6 1.6 0.0 0.0 0.0 0.0 12.6
ID 57 40 0 3 0 0 0 0 101
ABS. 21 25 12 1 1 0 0 0 60 39 14 2 1 0 0 0 157
REL. 35.0 41.6 20.0 1.6 1.6 0.0 0.0 0.0100.0 65.0 23.3 3.3 1.7 0.0 0.0 0.0 22.9
ID 35 41 20 3 8 0 0 0 108
ABS. 7 19 15 6 3 1 0 0 511 44 25 10 4 1 0 0 201
REL 13.7 37.2 29.4 11.7 5.8 1.9 0.0 0.0100.0 86.3 49.0 19.6 7.8 2.0 0.0 0.0 7.11
ID 13 37 29 23 29 49 0 0 182
Year
ABS. 82 96 32 15 6 1 0 0 2321 150 54 22 7 1 0 0 201
REL. 35.3 41.3 13.7 6.4 2.5 0.4 0.0 0.0100.0 64.7 23.3 9.5 3.0 0.4 0.0 0.0 7.11
ID 35 41 13 12 12 10 0 0 127

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