Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 610 - Pha10-Uhrineves
Code:CZ10HSUHR
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 ~ ~ ~ ~ ~ ~ ~ 30 ~ ~ 70 22 65 126 143 ~ ~ 44 22 32 64 58 ~ ~ 56 44 85 78 82 ~ ~ 63.81 143.00 16.00
2 37 25 41 ~ ~ ~ ~ 50 41 26 28 42 ~ ~ 55 41 41 62 77 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 43.54 77.00 13.00
3 12 4.00 4.00 4.00 15 ~ ~ 45 ~ 19 13 53 ~ ~ 20 91 146 61 114 ~ ~ 31 33 48 57 51 ~ ~ 27 36 75 43.59 146.00 22.00
4 153 ~ ~ ~ ~ ~ 44 64 37 ~ ~ 65 71 87 19 39 ~ ~ 13 73 57 68 79 ~ ~ 41 58 52 55 65 ~ 60.00 153.00 19.00
5 ~ ~ 25 8.00 17 18 9.00 ~ ~ ~ ~ ~ ~ ~ ~ ~ 11 31 4.00 6.00 14 ~ ~ ~ ~ ~ 8.00 7.00 ~ ~ 21 13.77 31.00 13.00
6 36 62 40 44 ~ ~ 74 27 83 38 55 ~ ~ 80 54 75 59 55 ~ ~ 71 41 37 113 47 ~ ~ 59 38 30 ~ 55.36 113.00 22.00
7 52 ~ ~ ~ ~ ~ 11 16 ~ ~ ~ 44 33 36 33 23 ~ ~ 28 37 22 20 8.00 ~ ~ 61 102 85 187 58 ~ 47.56 187.00 18.00
8 ~ 45 ~ 37 66 51 ~ ~ 67 46 58 99 67 ~ ~ ~ ~ ~ ~ ~ ~ ~ 19 32 36 22 35 ~ ~ 82 56 51.13 99.00 16.00
9 59 72 37 ~ ~ 11 30 35 88 106 ~ ~ 63 70 75 72 35 ~ ~ 37 34 35 41 45 ~ ~ 36 30 43 52 ~ 50.27 106.00 22.00
10 38 ~ ~ 7.00 18 37 19 12 ~ ~ 30 41 26 53 ~ ~ ~ 12 13 16 38 ~ ~ ~ 14 24 ~ ~ ~ ~ ~ 24.88 53.00 16.00
11 60 101 71 61 65 ~ ~ 50 80 40 47 38 ~ ~ 140 46 50 134 66 ~ ~ ~ 131 70 87 112 ~ ~ 106 139 ~ 80.67 140.00 21.00
12 83 72 57 ~ ~ 14 22 26 34 27 ~ ~ 33 18 58 68 62 ~ ~ 36 40 70 143 ~ ~ ~ 10 41 27 23 12 44.36 143.00 22.00

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. 18 22 7 4 0 0 0 0 511 33 11 4 0 0 0 0 146
REL. 35.2 43.1 13.7 7.8 0.0 0.0 0.0 0.0 100.0 64.7 21.6 7.8 0.0 0.0 0.0 0.017.3
ID 35 43 13 15 0 0 0 0 107
ABS. 17 25 10 1 1 0 0 0 541 37 12 2 1 0 0 0 153
REL. 31.4 46.2 18.5 1.8 1.8 0.0 0.0 0.0 100.0 68.5 22.2 3.7 1.9 0.0 0.0 0.0 1.4
ID 31 46 18 3 9 0 0 0 109
ABS. 15 28 10 2 1 0 0 0 561 41 13 3 1 0 0 0 187
REL. 26.7 50.0 17.8 3.5 1.7 0.0 0.0 0.0100.0 73.2 23.2 5.4 1.8 0.0 0.0 0.0 29.7
ID 26 50 17 7 8 0 0 0 110
ABS. 21 22 8 8 0 0 0 0 591 38 16 8 0 0 0 0 143
REL 35.5 37.2 13.5 13.5 0.0 0.0 0.0 0.0100.0 64.4 27.1 13.6 0.0 0.0 0.0 0.023.12
ID 35 37 13 27 0 0 0 0 113
Year
ABS. 71 97 35 15 2 0 0 0 2201 149 52 17 2 0 0 0 187
REL. 32.2 44.0 15.9 6.8 0.9 0.0 0.0 0.0100.0 67.7 23.6 7.7 0.9 0.0 0.0 0.0 29.7
ID 32 44 15 13 4 0 0 0 110

Note:

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