Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 860 - Pha4-OHS Antala Staska
Code:CZ04HSANT
Institution:Public Health Service
Region:Hlavni mesto Praha
District:Praha 4
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ 89 84 107 183 185 ~ ~ 90 54 44 27 ~ ~ ~ 29 18 33 19 21 ~ ~ 68 67 67 61 51 ~ ~ 35 66.60 185.00 20.00
2 37 34 53 57 ~ ~ 94 78 85 71 62 ~ ~ 24 38 39 35 16 ~ ~ 70 50 82 36 ~ ~ ~ 41 45 ~ ~ 52.35 94.00 20.00
3 58 53 ~ ~ ~ 37 21 23 22 31 ~ ~ 25 26 15 ~ 21 ~ ~ 41 36 50 54 51 ~ ~ 33 ~ 13 11 16 31.85 58.00 20.00
4 ~ ~ 32 70 38 25 28 ~ ~ 20 15 23 10 28 ~ ~ 11 ~ ~ 11 16 ~ ~ ~ 44 34 21 25 ~ ~ ~ 26.53 70.00 17.00
5 ~ 19 24 17 14 ~ ~ ~ 44 46 38 15 ~ ~ 25 44 13 27 24 ~ ~ 34 26 22 17 22 ~ ~ 40 31 13 26.43 46.00 21.00
6 19 27 ~ ~ ~ 21 11 13 15 ~ ~ 16 32 38 ~ 22 ~ ~ 32 49 57 36 33 ~ ~ 22 43 24 31 16 ~ 27.85 57.00 20.00
7 ~ ~ 98 25 ~ ~ 17 ~ ~ 27 36 41 ~ ~ ~ ~ 30 ~ 22 31 57 ~ ~ 51 ~ ~ 37 29 ~ ~ 83 41.71 98.00 14.00
8 47 27 38 35 ~ ~ 40 37 41 45 35 ~ ~ 63 48 29 31 26 ~ ~ 55 45 41 39 20 ~ ~ 67 49 63 48 42.13 67.00 23.00
9 52 ~ ~ 15 14 25 17 23 ~ ~ 47 45 37 54 23 ~ ~ 23 19 17 ~ 33 ~ ~ 20 22 34 ~ 38 ~ ~ 29.37 54.00 19.00
10 ~ 91 128 148 ~ ~ ~ ~ ~ 59 52 83 139 ~ ~ 52 10 62 97 40 ~ ~ 36 38 27 31 27 ~ ~ 28 37 62.37 148.00 19.00
11 31 13 41 ~ ~ 9.00 16 ~ 10 32 ~ ~ 45 47 18 34 ~ ~ ~ 20 ~ 30 25 62 ~ ~ 119 108 161 147 ~ 50.95 161.00 19.00
12 98 ~ ~ 68 30 15 21 47 ~ ~ 36 64 85 ~ ~ ~ ~ 27 10 15 12 15 ~ ~ ~ ~ 10 9.00 15 ~ ~ 33.94 98.00 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. 20 25 12 1 2 0 0 0 60 40 15 3 2 0 0 0 185
REL. 33.3 41.6 20.0 1.6 3.3 0.0 0.0 0.0 100.0 66.7 25.0 5.0 3.3 0.0 0.0 0.07.1
ID 33 41 20 3 16 0 0 0 115
ABS. 43 14 1 0 0 0 0 0 581 15 1 0 0 0 0 0 70
REL. 74.1 24.1 1.7 0.0 0.0 0.0 0.0 0.0 100.0 25.9 1.7 0.0 0.0 0.0 0.0 0.0 4.4
ID 74 24 1 0 0 0 0 0 100
ABS. 24 29 3 0 0 0 0 0 561 32 3 0 0 0 0 0 98
REL. 42.8 51.7 5.3 0.0 0.0 0.0 0.0 0.0100.0 57.1 5.4 0.0 0.0 0.0 0.0 0.0 3.7
ID 42 51 5 0 0 0 0 0 100
ABS. 26 16 6 6 1 0 0 0 551 29 13 7 1 0 0 0 161
REL 47.2 29.0 10.9 10.9 1.8 0.0 0.0 0.0100.0 52.7 23.6 12.7 1.8 0.0 0.0 0.029.11
ID 47 29 10 21 9 0 0 0 118
Year
ABS. 113 84 22 7 3 0 0 0 2291 116 32 10 3 0 0 0 185
REL. 49.3 36.6 9.6 3.0 1.3 0.0 0.0 0.0100.0 50.7 14.0 4.4 1.3 0.0 0.0 0.0 7.1
ID 49 36 9 6 6 0 0 0 108

Note:

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