Detailed overview of ambient air pollution valuis from individual stations

1001 - Chomutov

Year: 1997
Pollutant:SO2-sulphur dioxide
Station:1001 - Chomutov
Code:CZCVCMCHO
Institution:CHMI
Region:Severocesky
District:Chomutov
IHd: 150
Measure method:UV-fluorescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 247 228 98 137 39 210 193 108 74 119 124 139 343 289 371 497 445 367 128 87 81 47 58 75 87 71 95 20 13 6.83 8.03 154.96 497.19 31.00
2 26 109 91 48 10 14 23 13 16 39 12 22 11 5.47 16 6.62 35 19 8.52 8.08 4.65 3.46 41 36 20 4.77 6.20 40 ~ ~ ~ 24.69 109.24 28.00
3 24 23 4.00 71 27 10 47 75 43 48 44 99 4.54 6.88 3.47 8.62 5.86 20 17 16 25 16 19 44 61 58 12 3.91 7.38 18 7.70 28.03 98.54 31.00
4 35 11 12 2.70 9 3.44 20 66 79 8.76 7.31 8.16 13 4.45 4.34 4.36 24 ~ ~ 15 70 21 13 17 10 18 18 12 14 9 ~ 18.93 79.30 28.00
5 5.28 6.35 9 12 7.11 13 35 39 20 16 13 8.23 53 ~ ~ 16 27 24 7.87 17 9 1.55 7.48 12 16 33 6.55 2.51 10 2.60 4.45 14.99 52.55 29.00
6 46 45 8.03 41 39 22 40 7.84 5.07 40 38 26 3.30 5.94 2.33 24 25 36 36 6.08 40 12 12 4.84 28 18 37 41 16 8.66 ~ 23.84 46.36 30.00
7 9 38 20 6.00 4.53 17 8.05 12 11 25 33 11 12 ~ 5.13 10 32 6.91 3.05 5.55 6.35 7.82 13 19 12 2.59 9 6.24 29 45 ~ 14.48 45.21 29.00
8 2.93 6.72 32 26 13 34 38 31 41 27 32 25 37 3.62 10 15 45 71 31 36 18 44 22 22 24 22 63 24 4.93 6.35 15 26.62 71.33 31.00
9 33 17 48 23 21 3.28 2.94 2.93 2.68 1.81 33 42 3.48 3.81 33 11 48 16 3.34 12 36 38 19 17 60 50 9 40 51 ~ ~ 23.56 59.61 29.00
10 ~ 3.12 7.98 12 11 21 36 16 15 10 2.77 5.55 3.34 8.00 5.89 8.31 19 32 62 15 29 32 10 5.23 4.75 5.66 3.46 32 40 110 52 20.68 110.37 30.00
11 37 32 17 28 42 61 42 42 30 12 45 32 11 18 25 25 29 38 21 30 39 72 81 81 41 62 58 26 20 12 ~ 36.96 81.21 30.00
12 6.72 20 10 4.97 6.80 17 7.85 14 24 25 15 10 17 18 66 111 31 28 41 69 20 26 19 17 7.53 13 5.01 5.57 7.22 13 40 23.10 111.27 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. 58 15 7 2 3 4 1 0 90 32 17 10 8 5 1 0 497
REL. 64.4 16.6 7.7 2.2 3.3 4.4 1.1 0.0 100.0 35.6 18.9 11.1 8.9 5.6 1.1 0.016.1
ID 64 16 7 4 16 111 138 0 360
ABS. 83 4 0 0 0 0 0 0 87 4 0 0 0 0 0 0 79
REL. 95.4 4.5 0.0 0.0 0.0 0.0 0.0 0.0 100.0 4.6 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. 84 5 0 0 0 0 0 0 89 5 0 0 0 0 0 0 71
REL. 94.3 5.6 0.0 0.0 0.0 0.0 0.0 0.0100.0 5.6 0.0 0.0 0.0 0.0 0.0 0.0 18.8
ID 94 5 0 0 0 0 0 0 100
ABS. 79 10 2 0 0 0 0 0 91 12 2 0 0 0 0 0 111
REL 86.8 10.9 2.1 0.0 0.0 0.0 0.0 0.0100.0 13.2 2.2 0.0 0.0 0.0 0.0 0.016.12
ID 86 10 2 0 0 0 0 0 100
Year
ABS. 304 34 9 2 3 4 1 0 357 53 19 10 8 5 1 0 497
REL. 85.1 9.5 2.5 0.5 0.8 1.1 0.2 0.0100.0 14.8 5.3 2.8 2.2 1.4 0.3 0.0 16.1
ID 85 9 2 1 4 28 35 0 165

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