Detailed overview of ambient air pollution valuis from individual stations

1037 - Cheb

Year: 1997
Pollutant:SO2-sulphur dioxide
Station:1037 - Cheb
Code:CZCHCMCHE
Institution:CHMI
Region:Zapadocesky
District:Cheb
IHd: 150
Measure method:UV-fluorescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 161 137 77 97 67 215 117 71 42 60 28 6.77 82 266 80 69 164 56 181 16 40 27 39 79 117 92 51 25 21 18 11 81.18 265.86 31.00
2 13 51 19 6.91 11 7.91 7.26 12 11 8.93 4.12 1.39 1.23 3.43 16 13 7.91 7.28 8.69 6.07 2.16 5.67 6.62 3.12 0.96 3.62 6.20 3.54 ~ ~ ~ 8.90 50.60 28.00
3 4.69 4.51 6.08 2.12 4.03 15 19 16 40 29 27 31 10 5.47 2.64 6.13 10 5.58 8.58 17 10 10 8.56 13 59 8.45 2.26 6.18 5.82 6.61 8.10 12.95 59.49 31.00
4 9 15 9 6.61 2.73 11 16 40 12 11 11 5.96 7.81 6.66 11 14 11 8.17 9 22 20 16 8.37 7.30 12 13 4.22 5.14 8.51 4.87 ~ 11.30 39.99 30.00
5 7.57 3.52 4.67 2.70 2.21 1.73 5.75 11 2.49 4.97 6.03 5.85 31 18 38 24 21 5.84 1.66 1.48 0.75 2.49 2.65 5.80 23 18 2.07 3.33 7.08 6.21 5.75 8.88 37.56 31.00
6 24 21 18 21 14 9 8.91 2.05 2.72 33 14 1.05 1.08 0.39 2.33 5.49 9 17 15 1.15 0.92 0.61 0.96 1.63 1.30 1.23 8.83 25 10 0.95 ~ 9.03 32.74 30.00
7 0.60 4.62 2.11 1.79 5.65 1.09 1.47 1.54 1.75 17 9 2.12 5.01 13 3.91 1.86 21 5.80 2.77 1.25 4.84 2.68 10 3.13 1.94 3.09 2.24 2.42 12 7.91 2.73 5.05 21.26 31.00
8 2.01 2.81 4.65 2.79 13 19 24 19 20 19 16 11 13 5.20 3.21 24 21 78 21 13 4.05 3.61 3.87 2.14 2.88 4.59 5.92 4.57 2.64 2.73 2.26 11.91 77.74 31.00
9 12 12 20 5.69 2.26 3.56 3.81 4.25 6.29 4.25 5.35 3.66 3.15 4.05 5.23 18 5.80 5.52 7.04 11 21 30 30 19 24 20 13 15 12 8.35 ~ 11.10 30.09 30.00
10 6.58 12 6.60 5.09 8.40 8.50 11 3.21 2.67 2.83 2.77 7.64 4.44 6.38 4.62 13 19 18 29 6.39 27 16 4.73 7.44 6.05 6.08 11 24 78 48 48 14.70 78.42 31.00
11 45 13 11 23 28 83 17 12 5.75 9 18 7.88 12 8.76 3.95 22 21 27 15 14 5.07 36 42 27 15 40 18 4.55 ~ 3.51 ~ 20.29 83.35 29.00
12 ~ 41 12 17 10 6.34 4.76 ~ 2.83 0.96 ~ 4.15 ~ ~ ~ ~ 13 18 24 26 5.70 8.80 8.44 2.49 2.16 1.57 2.21 3.06 3.62 3.79 31 10.51 41.36 24.00

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. 68 14 3 4 1 0 0 0 90 22 8 5 1 0 0 0 266
REL. 75.5 15.5 3.3 4.4 1.1 0.0 0.0 0.0 100.0 24.4 8.9 5.6 1.1 0.0 0.0 0.014.1
ID 75 15 3 8 5 0 0 0 108
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 40
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8.4
ID 100 0 0 0 0 0 0 0 100
ABS. 91 1 0 0 0 0 0 0 92 1 0 0 0 0 0 0 78
REL. 98.9 1.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 18.8
ID 98 1 0 0 0 0 0 0 100
ABS. 82 2 0 0 0 0 0 0 84 2 0 0 0 0 0 0 83
REL 97.6 2.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 2.4 0.0 0.0 0.0 0.0 0.0 0.0 6.11
ID 97 2 0 0 0 0 0 0 100
Year
ABS. 332 17 3 4 1 0 0 0 357 25 8 5 1 0 0 0 266
REL. 92.9 4.7 0.8 1.1 0.2 0.0 0.0 0.0100.0 7.0 2.2 1.4 0.3 0.0 0.0 0.0 14.1
ID 92 4 2 1 0 0 0 102

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