Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
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 ~ ~ 58 26 95 148 90 ~ ~ 61 42 58 67 16 ~ ~ 18 21 17 28 26 ~ ~ ~ ~ ~ 35 28 ~ ~ 44 48.78 148.00 18.00
2 118 97 38 97 ~ ~ 158 143 ~ 173 208 ~ ~ 37 39 34 60 ~ ~ ~ 21 43 33 50 25 ~ ~ 52 ~ ~ ~ 79.22 208.00 18.00
3 116 43 114 ~ ~ 10 13 11 16 8.00 ~ ~ 15 20 12 ~ ~ ~ ~ 15 9.00 5.00 8.00 6.00 ~ ~ 31 12 11 11 21 24.14 116.00 21.00
4 ~ ~ 9.00 32 38 36 11 ~ ~ 10 13 5.00 9.00 17 ~ ~ 20 15 48 41 ~ ~ ~ ~ 13 41 16 ~ ~ ~ ~ 22.00 48.00 17.00
5 ~ 21 13 11 ~ ~ ~ ~ 33 51 45 25 ~ ~ 27 42 32 29 33 ~ ~ 23 16 ~ 12 11 ~ ~ 30 12 32 26.21 51.00 19.00
6 24 21 ~ ~ 17 20 30 70 60 ~ ~ 28 73 21 18 13 ~ ~ 36 48 34 53 32 ~ ~ 29 23 34 12 30 ~ 33.00 73.00 22.00
7 ~ ~ ~ ~ ~ ~ ~ ~ ~ 21 36 32 24 18 ~ ~ 41 47 32 29 18 ~ ~ ~ 16 13 26 26 ~ ~ 26 27.00 47.00 15.00
8 13 11 6.00 10 ~ ~ ~ 11 10 26 47 ~ ~ 59 57 45 37 47 ~ ~ 25 16 23 16 38 ~ ~ 72 70 78 38 34.32 78.00 22.00
9 48 ~ ~ 20 33 10 46 ~ ~ ~ 37 49 45 60 49 ~ ~ 64 44 57 17 32 ~ ~ 52 40 48 ~ ~ ~ ~ 41.72 64.00 18.00
10 ~ 112 125 128 66 77 ~ ~ 82 41 99 173 142 ~ ~ 90 114 114 136 ~ ~ ~ ~ 21 33 11 130 ~ ~ 46 41 89.05 173.00 20.00
11 70 96 68 ~ ~ 125 69 44 43 94 ~ ~ 74 37 19 ~ ~ ~ ~ 122 70 76 235 62 ~ ~ 557 478 399 464 ~ 160.10 557.00 20.00
12 549 ~ ~ 194 93 146 ~ 125 ~ ~ ~ 32 48 23 32 ~ ~ 57 58 19 14 ~ ~ ~ ~ ~ 99 31 ~ ~ ~ 101.33 549.00 15.00

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. 29 15 5 5 2 1 0 0 571 28 13 8 3 1 0 0 208
REL. 50.8 26.3 8.7 8.7 3.5 1.7 0.0 0.0 100.0 49.1 22.8 14.0 5.3 1.8 0.0 0.011.2
ID 50 26 8 17 17 43 0 0 164
ABS. 42 14 2 0 0 0 0 0 581 16 2 0 0 0 0 0 73
REL. 72.4 24.1 3.4 0.0 0.0 0.0 0.0 0.0 100.0 27.6 3.4 0.0 0.0 0.0 0.0 0.0 13.6
ID 72 24 3 0 0 0 0 0 100
ABS. 28 24 3 0 0 0 0 0 551 27 3 0 0 0 0 0 78
REL. 50.9 43.6 5.4 0.0 0.0 0.0 0.0 0.0100.0 49.1 5.5 0.0 0.0 0.0 0.0 0.0 30.8
ID 50 43 5 0 0 0 0 0 100
ABS. 10 11 14 12 2 1 1 4 551 45 34 20 8 6 5 4 557
REL 18.1 20.0 25.4 21.8 3.6 1.8 1.8 7.2100.0 81.8 61.8 36.4 14.5 10.9 9.1 7.327.11
ID 18 20 25 43 18 45 227 4545 4943
Year
ABS. 109 64 24 17 4 2 1 4 2251 116 52 28 11 7 5 4 557
REL. 48.4 28.4 10.6 7.5 1.7 0.8 0.4 1.7100.0 51.6 23.1 12.4 4.9 3.1 2.2 1.827.11
ID 48 28 10 15 8 22 55 1111 1300

Note:

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