Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 610 - Pha10-Uhrineves
Code:CZ10HSUHR
Institution:Public Health Service
Region:Prague
District:Praha 10
IHd: 100
Measure method:triethanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 67 86 25 26 ~ ~ 81 95 57 42 42 ~ ~ 33 19 35 33 31 ~ ~ 52 36 50 32 47 ~ ~ 29 14 18 ~ 43.18 95.00 22.00
2 ~ ~ ~ ~ 56 80 66 21 ~ ~ 20 18 ~ 310 40 ~ ~ 31 16 12 35 24 ~ ~ 45 42 51 35 ~ ~ ~ 53.06 310.00 17.00
3 37 ~ ~ 52 65 73 83 72 ~ ~ 74 74 67 90 64 ~ ~ 85 57 47 42 37 ~ ~ 51 76 77 ~ 169 ~ ~ 69.60 169.00 20.00
4 ~ 85 56 56 75 ~ ~ 61 32 40 75 36 ~ ~ 74 58 39 31 ~ ~ ~ 57 42 46 45 32 ~ ~ 23 29 ~ 49.60 85.00 20.00
5 33 50 37 ~ ~ 40 23 19 21 21 ~ ~ 17 16 19 20 17 ~ ~ 40 79 64 57 29 ~ ~ 65 60 41 53 ~ 37.32 79.00 22.00
6 ~ ~ 23 57 37 67 78 ~ ~ ~ ~ ~ ~ 12 ~ ~ 41 33 38 88 43 ~ ~ 24 16 11 11 15 ~ ~ ~ 37.13 88.00 16.00
7 27 33 17 21 ~ ~ ~ 64 37 27 ~ 55 ~ ~ 43 ~ ~ ~ ~ ~ ~ 38 54 33 ~ ~ ~ ~ ~ ~ ~ 37.42 64.00 12.00
8 25 21 ~ ~ 64 59 68 62 21 ~ ~ 26 24 31 ~ 56 ~ ~ 92 22 22 38 42 ~ ~ 39 31 39 37 40 ~ 40.90 92.00 21.00
9 ~ 51 94 100 76 84 ~ ~ 72 33 77 111 129 ~ ~ 24 33 64 48 96 ~ ~ 75 53 39 45 57 ~ ~ 21 ~ 65.81 129.00 21.00
10 54 29 25 44 ~ ~ 38 43 68 46 49 ~ ~ 24 99 87 39 68 ~ ~ 107 95 46 36 34 ~ ~ ~ ~ 112 49 56.76 112.00 21.00
11 32 ~ ~ 38 33 50 54 29 ~ ~ 64 36 101 145 202 ~ ~ 136 95 199 67 62 ~ ~ 42 204 36 34 43 ~ ~ 81.05 204.00 21.00
12 ~ 43 26 45 54 ~ ~ ~ 14 30 33 ~ 21 ~ ~ 160 79 81 73 146 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 61.92 160.00 13.00

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. 17 25 15 0 1 0 1 0 591 42 17 2 2 1 1 0 310
REL. 28.8 42.3 25.4 0.0 1.6 0.0 1.6 0.0 100.0 71.2 28.8 3.4 3.4 1.7 1.7 0.014.2
ID 28 42 25 0 8 0 211 0 316
ABS. 24 26 8 0 0 0 0 0 581 34 8 0 0 0 0 0 88
REL. 41.3 44.8 13.7 0.0 0.0 0.0 0.0 0.0 100.0 58.6 13.8 0.0 0.0 0.0 0.0 0.0 20.6
ID 41 44 13 0 0 0 0 0 100
ABS. 19 23 10 2 0 0 0 0 541 35 12 2 0 0 0 0 129
REL. 35.1 42.5 18.5 3.7 0.0 0.0 0.0 0.0100.0 64.8 22.2 3.7 0.0 0.0 0.0 0.0 13.9
ID 35 42 18 7 0 0 0 0 103
ABS. 11 24 10 6 2 2 0 0 551 44 20 10 4 2 0 0 204
REL 20.0 43.6 18.1 10.9 3.6 3.6 0.0 0.0100.0 80.0 36.4 18.2 7.3 3.6 0.0 0.026.11
ID 20 43 18 21 18 90 0 0 212
Year
ABS. 71 98 43 8 3 2 1 0 2261 155 57 14 6 3 1 0 310
REL. 31.4 43.3 19.0 3.5 1.3 0.8 0.4 0.0100.0 68.6 25.2 6.2 2.7 1.3 0.4 0.0 14.2
ID 31 43 19 7 6 22 55 0 184

Note:

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