Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 860 - Pha4-OHS Antala Staska
Code:CZ04HSANT
Institution:Public Health Service
Region:Prague
District:Praha 4
IHd: 100
Measure method:triethanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ ~ ~ ~ ~ ~ 23 81 37 59 ~ ~ 32 87 42 63 21 ~ ~ 19 30 31 23 25 ~ ~ 28 22 49 35 39.28 87.00 18.00
2 40 ~ ~ 121 80 130 121 60 ~ ~ 55 40 40 88 72 ~ ~ 53 70 59 33 33 ~ ~ 29 13 42 21 ~ ~ ~ 60.00 130.00 20.00
3 24 ~ ~ 208 51 140 13 ~ ~ ~ 20 55 48 30 47 ~ ~ 32 41 35 33 25 ~ ~ ~ 34 31 42 ~ ~ ~ 50.50 208.00 18.00
4 ~ 24 11 31 10 ~ ~ ~ 74 80 57 41 ~ ~ 57 49 ~ 143 ~ ~ ~ 37 35 37 17 12 ~ ~ 19 26 ~ 42.22 143.00 18.00
5 ~ ~ 102 ~ ~ 26 12 ~ ~ 13 ~ ~ 18 12 12 32 26 ~ ~ 23 16 14 24 17 ~ ~ 37 33 29 23 17 25.58 102.00 19.00
6 ~ ~ 23 ~ 18 16 56 ~ ~ 17 31 25 32 31 ~ ~ ~ 25 32 61 36 ~ ~ 18 37 44 30 ~ ~ ~ ~ 31.29 61.00 17.00
7 26 ~ ~ 17 ~ ~ ~ 16 16 ~ 10 10 ~ ~ ~ 28 37 57 ~ ~ ~ 41 29 35 13 ~ ~ ~ 20 23 21 24.94 57.00 16.00
8 21 19 ~ ~ 44 68 ~ 15 11 ~ ~ 24 17 22 125 34 ~ ~ 67 54 43 72 85 ~ ~ 64 46 43 35 30 ~ 44.71 125.00 21.00
9 ~ 33 25 31 89 70 ~ ~ 53 49 61 76 30 ~ ~ 40 ~ 25 56 21 ~ ~ 23 26 15 11 19 ~ ~ 92 ~ 42.25 92.00 20.00
10 48 90 47 ~ ~ ~ 23 31 29 37 28 ~ ~ 14 46 31 19 39 ~ ~ ~ 16 32 ~ 41 ~ ~ ~ 28 119 69 41.42 119.00 19.00
11 49 ~ ~ 43 40 42 56 ~ ~ ~ ~ ~ 196 85 112 ~ ~ 61 471 137 152 ~ ~ ~ 53 128 129 98 57 ~ ~ 112.29 471.00 17.00
12 ~ 141 63 81 39 42 ~ ~ ~ 54 ~ 47 24 ~ ~ 94 68 51 20 45 ~ ~ 24 ~ ~ ~ 75 ~ ~ 124 66 62.24 141.00 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. 23 22 6 4 0 1 0 0 561 33 11 5 1 1 0 0 208
REL. 41.0 39.2 10.7 7.1 0.0 1.7 0.0 0.0 100.0 58.9 19.6 8.9 1.8 1.8 0.0 0.04.3
ID 41 39 10 14 0 44 0 0 150
ABS. 37 13 2 2 0 0 0 0 541 17 4 2 0 0 0 0 143
REL. 68.5 24.0 3.7 3.7 0.0 0.0 0.0 0.0 100.0 31.5 7.4 3.7 0.0 0.0 0.0 0.0 18.4
ID 68 24 3 7 0 0 0 0 103
ABS. 31 17 8 1 0 0 0 0 571 26 9 1 0 0 0 0 125
REL. 54.3 29.8 14.0 1.7 0.0 0.0 0.0 0.0100.0 45.6 15.8 1.8 0.0 0.0 0.0 0.0 15.8
ID 54 29 14 3 0 0 0 0 101
ABS. 13 22 8 7 2 0 0 1 531 40 18 10 3 1 1 1 471
REL 24.5 41.5 15.0 13.2 3.7 0.0 0.0 1.8100.0 75.5 34.0 18.9 5.7 1.9 1.9 1.919.11
ID 24 41 15 26 18 0 0 1179 1305
Year
ABS. 104 74 24 14 2 1 0 1 2201 116 42 18 4 2 1 1 471
REL. 47.2 33.6 10.9 6.3 0.9 0.4 0.0 0.4100.0 52.7 19.1 8.2 1.8 0.9 0.5 0.519.11
ID 47 33 10 12 4 11 0 284 404

Note:

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