Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:SO2-sulphur dioxide
Station:1266 - Chomutov
Code:CZCVRVCHO
Institution:Research Institute of Plant Produstion
Region:Severocesky
District:Chomutov
IHd: 150
Measure method:West-Gaeke spectrophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 30 95 24 14 6.00 14 6.00 8.00 7.00 16 16 10 12 8.00 10 24 10 37 53 458 449 74 46 24 22 8.00 8.00 10 6.00 8.00 35 49.94 458.00 31.00
2 25 14 10 8.00 8.00 8.00 8.00 8.00 35 32 46 16 12 14 49 22 6.00 8.00 8.00 10 12 8.00 10 10 10 10 22 20 ~ ~ ~ 16.04 49.00 28.00
3 10 16 6.00 14 6.00 12 6.00 12 8.00 10 18 12 18 37 6.00 12 14 18 10 6.00 10 8.00 8.00 8.00 16 44 22 6.00 6.00 18 16 13.32 44.00 31.00
4 22 24 18 8.00 8.00 10 10 10 10 12 12 8.00 10 12 10 12 20 10 10 16 14 12 14 14 10 22 8.00 8.00 10 12 ~ 12.53 24.00 30.00
5 10 16 14 16 14 12 12 10 10 14 10 12 10 10 12 10 25 14 12 25 14 12 12 18 12 32 12 12 10 10 10 13.61 32.00 31.00
6 14 12 20 12 14 18 16 10 22 14 16 8.00 8.00 12 12 18 12 10 10 12 10 12 14 8.00 24 10 12 10 24 18 ~ 13.73 24.00 30.00
7 8.00 10 10 32 14 8.00 10 10 10 25 14 8.00 8.00 8.00 7.00 8.00 8.00 8.00 10 8.00 7.00 8.00 10 10 12 10 6.00 8.00 10 10 10 10.48 32.00 31.00
8 12 12 18 18 18 10 13 10 10 12 12 8.00 14 16 14 10 12 10 12 10 10 12 14 20 16 10 14 12 12 12 14 12.81 20.00 31.00
9 6.00 6.00 16 6.00 6.00 10 6.00 6.00 12 18 8.00 8.00 12 18 16 10 6.00 6.00 6.00 8.00 6.00 8.00 12 6.00 8.00 6.00 6.00 6.00 6.00 8.00 ~ 8.73 18.00 30.00
10 13 35 20 35 18 29 20 26 22 31 35 13 18 13 22 13 51 57 62 53 40 26 24 13 20 22 18 24 26 29 18 27.29 62.00 31.00
11 16 20 12 40 32 20 16 12 19 44 60 124 36 16 24 36 32 16 36 56 20 35 50 40 24 32 36 24 58 66 ~ 35.07 124.00 30.00
12 22 25 31 42 20 26 31 18 26 18 26 16 13 22 32 22 53 28 18 26 35 76 112 81 101 48 51 40 32 22 62 37.90 112.00 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. 85 3 0 0 0 1 1 0 90 5 2 2 2 2 1 0 458
REL. 94.4 3.3 0.0 0.0 0.0 1.1 1.1 0.0 100.0 5.6 2.2 2.2 2.2 2.2 1.1 0.020.1
ID 94 3 0 0 0 27 138 0 264
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 32
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 26.5
ID 100 0 0 0 0 0 0 0 100
ABS. 92 0 0 0 0 0 0 0 92 0 0 0 0 0 0 0 32
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 4.7
ID 100 0 0 0 0 0 0 0 100
ABS. 76 13 3 0 0 0 0 0 92 16 3 0 0 0 0 0 124
REL 82.6 14.1 3.2 0.0 0.0 0.0 0.0 0.0100.0 17.4 3.3 0.0 0.0 0.0 0.0 0.012.11
ID 82 14 3 0 0 0 0 0 100
Year
ABS. 344 16 3 0 0 1 1 0 365 21 5 2 2 2 1 0 458
REL. 94.2 4.3 0.8 0.0 0.0 0.2 0.2 0.0100.0 5.8 1.4 0.5 0.5 0.5 0.3 0.0 20.1
ID 94 4 0 0 6 34 0 140

Note:

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