Detailed overview of ambient air pollution valuis from individual stations

1331 - Drouzkovice

Year: 1997
Pollutant:SO2-sulphur dioxide
Station:1331 - Drouzkovice
Code:CZCVOZDRO
Institution:ORGREZ
Region:Severocesky
District:Chomutov
IHd: 150
Measure method:UV-fluorescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 152 147 84 109 44 119 148 80 63 87 87 136 307 250 228 273 220 257 123 76 61 40 42 47 54 51 72 19 15 13 16 110.30 306.79 31.00
2 27 51 80 43 20 20 17 16 16 22 27 22 33 16 17 12 20 17 11 14 31 12 22 19 36 16 12 38 ~ ~ ~ 24.48 80.35 28.00
3 15 26 11 16 11 11 25 20 23 17 23 45 11 19 20 13 14 12 13 14 16 12 11 26 44 28 18 9 7.10 12 7.85 17.70 45.02 31.00
4 35 ~ ~ 5.78 14 10 10 32 83 13 11 8.10 49 24 10 11 17 11 12 17 28 23 13 49 19 14 14 26 68 12 ~ 22.80 82.83 28.00
5 12 18 13 17 16 27 22 27 22 27 11 15 23 24 23 14 17 14 13 19 53 10 9 15 14 28 10 8.65 22 8.85 9 18.05 53.19 31.00
6 25 25 16 37 18 19 20 12 8.52 29 22 29 3.02 19 2.81 48 24 6.25 22 3.67 8.00 5.75 80 6.33 24 1.83 15 30 6.52 49 ~ 20.53 80.19 30.00
7 26 6.77 11 2.46 2.85 4.54 7.46 4.96 6.52 14 17 6.77 4.42 15 2.46 3.90 21 7.02 1.42 1.88 4.02 6.00 8.10 13 9 2.17 49 4.13 15 23 12 10.10 48.79 31.00
8 4.42 2.65 16 33 7.44 14 15 19 18 15 17 12 15 10 7.33 12 29 30 14 20 10 18 29 16 8.65 7.75 33 13 2.06 1.94 7.71 14.81 33.21 31.00
9 18 10 27 22 5.25 3.81 10 28 5.02 3.40 43 11 19 13 12 4.81 21 18 5.35 6.13 22 25 15 10 20 28 5.73 16 27 12 ~ 15.53 43.02 30.00
10 14 3.15 9 19 5.92 7.88 14 18 67 13 6.25 5.29 6.02 5.81 13 7.23 7.06 11 ~ ~ 7.85 8.54 14 4.77 13 7.71 4.10 15 39 45 20 14.23 66.54 29.00
11 12 30 8.74 11 10 30 25 23 5.04 4.46 7.40 8.15 7.69 13 21 9 8.21 12 9 ~ 22 19 44 37 11 19 15 8.10 4.00 2.08 ~ 14.96 43.60 29.00
12 3.19 8.04 8.17 4.98 6.27 16 9 6.31 4.71 11 7.75 5.08 10 5.00 39 67 13 15 18 30 7.48 17 16 15 7.83 33 23 5.71 4.77 5.56 30 14.61 66.50 31.00

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. 65 12 6 2 4 1 0 0 90 25 13 7 5 1 0 0 307
REL. 72.2 13.3 6.6 2.2 4.4 1.1 0.0 0.0 100.0 27.8 14.4 7.8 5.6 1.1 0.0 0.013.1
ID 72 13 6 4 22 27 0 0 146
ABS. 85 4 0 0 0 0 0 0 89 4 0 0 0 0 0 0 83
REL. 95.5 4.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 4.5 0.0 0.0 0.0 0.0 0.0 0.0 9.4
ID 95 4 0 0 0 0 0 0 100
ABS. 92 0 0 0 0 0 0 0 92 0 0 0 0 0 0 0 49
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 27.7
ID 100 0 0 0 0 0 0 0 100
ABS. 87 2 0 0 0 0 0 0 89 2 0 0 0 0 0 0 67
REL 97.7 2.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 2.2 0.0 0.0 0.0 0.0 0.0 0.0 9.10
ID 97 2 0 0 0 0 0 0 100
Year
ABS. 329 18 6 2 4 1 0 0 360 31 13 7 5 1 0 0 307
REL. 91.3 5.0 1.6 0.5 1.1 0.2 0.0 0.0100.0 8.6 3.6 1.9 1.4 0.3 0.0 0.0 13.1
ID 91 5 1 1 5 6 0 0 111

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