Detailed overview of ambient air pollution valuis from individual stations

771 - PHA1-nam. Republiky

Year: 1997
Pollutant:SO2-sulphur dioxide
Station: 771 - PHA1-nam. Republiky
Code:CZ01CMREP
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 1
IHd: 150
Measure method:UV-fluorescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 160 189 126 142 168 153 148 171 78 90 85 57 82 157 141 210 149 102 62 109 88 67 77 88 84 101 116 64 56 35 41 109.55 210.25 31.00
2 79 86 105 63 39 49 68 58 52 46 20 19 11 25 42 46 43 29 27 28 17 28 49 46 21 17 35 48 ~ ~ ~ 42.78 104.61 28.00
3 51 34 37 56 53 68 52 70 86 75 68 71 36 28 13 23 44 33 37 52 45 37 30 39 60 56 17 13 19 25 49 44.50 85.78 31.00
4 63 52 30 20 14 26 39 77 63 48 18 24 44 21 24 35 49 37 38 31 45 53 37 36 31 24 21 27 14 22 ~ 35.40 77.38 30.00
5 25 29 23 19 13 10 19 34 11 15 13 46 60 22 18 21 18 13 10 12 8.29 12 14 41 24 24 15 18 34 27 44 22.27 59.97 31.00
6 34 16 31 21 12 8.44 10 8.19 14 21 12 19 17 12 17 63 44 45 27 18 8.66 7.99 8.32 12 13 7.31 15 32 12 10 ~ 19.22 63.13 30.00
7 7.11 9 ~ 31 24 9 11 8.92 11 34 15 16 30 13 20 14 8.97 23 12 6.85 20 25 13 27 8.87 17 10 14 15 22 9 16.15 34.14 30.00
8 8.63 16 27 11 22 15 12 12 10 11 14 18 16 16 19 27 13 19 6.70 10 10 10 14 9 14 12 15 8.23 8.07 11 14 13.72 26.85 31.00
9 15 15 36 19 15 12 8.68 7.10 10 13 15 10 4.58 8.28 15 13 15 13 21 18 19 41 38 40 42 34 26 30 32 26 ~ 20.30 42.16 30.00
10 23 11 12 12 18 27 18 16 11 8.47 3.49 16 11 18 18 31 23 24 32 32 31 47 32 22 12 23 51 59 79 74 54 27.37 79.18 31.00
11 62 77 41 62 51 67 49 36 23 38 27 39 33 36 22 54 42 17 30 51 42 74 74 101 45 51 58 29 22 26 ~ 45.92 100.85 30.00
12 22 29 65 33 ~ ~ ~ 30 46 33 23 14 20 18 25 51 24 32 32 31 28 40 38 18 21 14 14 23 22 32 37 29.03 65.39 28.00

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- 50 51- 100 101- 150 151- 225 226- 300 301- 450 451- 600 over 600 50 100 150 225 300 450 600
ABS. 41 32 10 7 0 0 0 0 90 49 17 7 0 0 0 0 210
REL. 45.5 35.5 11.1 7.7 0.0 0.0 0.0 0.0 100.0 54.4 18.9 7.8 0.0 0.0 0.0 0.016.1
ID 45 35 11 15 0 0 0 0 107
ABS. 84 7 0 0 0 0 0 0 91 7 0 0 0 0 0 0 77
REL. 92.3 7.6 0.0 0.0 0.0 0.0 0.0 0.0 100.0 7.7 0.0 0.0 0.0 0.0 0.0 0.0 8.4
ID 92 7 0 0 0 0 0 0 100
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 42
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 25.9
ID 100 0 0 0 0 0 0 0 100
ABS. 70 18 1 0 0 0 0 0 89 19 1 0 0 0 0 0 101
REL 78.6 20.2 1.1 0.0 0.0 0.0 0.0 0.0100.0 21.3 1.1 0.0 0.0 0.0 0.0 0.024.11
ID 78 20 1 0 0 0 0 0 100
Year
ABS. 286 57 11 7 0 0 0 0 361 75 18 7 0 0 0 0 210
REL. 79.2 15.7 3.0 1.9 0.0 0.0 0.0 0.0100.0 20.8 5.0 1.9 0.0 0.0 0.0 0.0 16.1
ID 79 15 3 3 0 0 0 0 101

Note:

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

Detailed overview of ambient air pollution valuis from individual stations - selection station