Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
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 ~ ~ 46 54 113 152 128 ~ ~ 66 77 61 30 51 ~ ~ 37 30 43 44 36 ~ ~ 45 52 49 75 56 ~ ~ 37 61.05 152.00 21.00
2 70 51 59 44 ~ ~ 39 33 35 53 77 ~ ~ 53 68 47 48 41 ~ ~ 91 70 83 34 116 ~ ~ 95 37 ~ ~ 59.24 116.00 21.00
3 61 33 ~ ~ ~ 36 23 23 22 50 ~ ~ 64 38 30 45 43 ~ ~ 86 42 135 104 97 ~ ~ 39 52 58 66 44 54.14 135.00 22.00
4 ~ ~ 39 61 23 25 31 ~ ~ 37 70 45 28 ~ ~ ~ 54 75 68 85 ~ ~ ~ ~ 39 42 27 ~ ~ ~ ~ 46.81 85.00 16.00
5 ~ 39 48 70 ~ ~ ~ ~ 61 87 103 ~ ~ ~ 87 88 44 37 68 ~ ~ 25 41 43 31 18 ~ ~ 12 24 21 49.84 103.00 19.00
6 27 28 ~ ~ ~ 36 23 43 17 ~ ~ 35 38 ~ 40 19 ~ ~ 59 41 67 31 42 ~ ~ 25 36 35 36 47 ~ 36.25 67.00 20.00
7 ~ ~ 29 ~ ~ ~ 16 ~ ~ 24 31 44 35 51 ~ ~ 29 49 39 41 29 ~ ~ 49 48 39 49 31 ~ ~ 75 39.33 75.00 18.00
8 66 39 34 45 ~ ~ 36 49 80 72 66 ~ ~ 69 58 42 54 114 ~ ~ 25 50 56 52 53 ~ ~ 41 60 48 44 54.48 114.00 23.00
9 62 ~ ~ 40 55 43 52 44 ~ ~ 122 57 65 71 46 ~ ~ 39 40 40 42 61 ~ ~ 58 69 76 ~ 35 ~ ~ 55.85 122.00 20.00
10 ~ 87 59 93 81 71 ~ ~ 46 45 70 79 102 ~ ~ 91 97 70 112 ~ ~ ~ 52 48 37 77 54 ~ ~ 49 54 70.19 112.00 21.00
11 101 65 91 ~ ~ 31 84 120 128 92 ~ ~ 71 92 84 ~ ~ ~ ~ 71 138 155 235 101 ~ ~ 88 149 114 73 ~ 104.15 235.00 20.00
12 52 ~ ~ 86 50 93 94 ~ ~ ~ 76 89 ~ 65 51 ~ ~ 73 157 103 ~ ~ ~ ~ ~ ~ 38 77 ~ ~ ~ 78.86 157.00 14.00

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. 8 39 11 5 1 0 0 0 64 56 17 6 1 0 0 0 152
REL. 12.5 60.9 17.1 7.8 1.5 0.0 0.0 0.0 100.0 87.5 26.6 9.4 1.6 0.0 0.0 0.06.1
ID 12 60 17 15 7 0 0 0 114
ABS. 18 26 10 1 0 0 0 0 551 37 11 1 0 0 0 0 103
REL. 32.7 47.2 18.1 1.8 0.0 0.0 0.0 0.0 100.0 67.3 20.0 1.8 0.0 0.0 0.0 0.0 11.5
ID 32 47 18 3 0 0 0 0 101
ABS. 8 44 7 2 0 0 0 0 61 53 9 2 0 0 0 0 122
REL. 13.1 72.1 11.4 3.2 0.0 0.0 0.0 0.0100.0 86.9 14.8 3.3 0.0 0.0 0.0 0.0 11.9
ID 13 72 11 6 0 0 0 0 103
ABS. 1 15 26 10 2 1 0 0 551 54 39 13 3 1 0 0 235
REL 1.8 27.2 47.2 18.1 3.6 1.8 0.0 0.0100.0 98.2 70.9 23.6 5.5 1.8 0.0 0.023.11
ID 1 27 47 36 18 45 0 0 176
Year
ABS. 35 124 54 18 3 1 0 0 2351 200 76 22 4 1 0 0 235
REL. 14.8 52.7 22.9 7.6 1.2 0.4 0.0 0.0100.0 85.1 32.3 9.4 1.7 0.4 0.0 0.023.11
ID 14 52 22 15 6 10 0 0 122

Note:

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