Detailed overview of ambient air pollution valuis from individual stations

1028 - Nepomysl

Year: 1997
Pollutant:SO2-sulphur dioxide
Station:1028 - Nepomysl
Code:CZLNCMNEP
Institution:CHMI
Region:Severocesky
District:Louny
IHd: 150
Measure method:UV-fluorescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 155 160 108 142 70 130 172 96 69 92 74 40 252 173 242 193 346 313 139 60 68 35 54 79 74 57 91 14 5.90 3.31 10 113.42 346.45 31.00
2 34 56 75 6.21 6.95 11 19 23 8.43 5.54 4.31 3.22 3.70 9 3.67 27 17 5.57 3.61 3.75 2.44 7.08 6.96 7.05 0.54 5.01 11 3.79 ~ ~ ~ 13.21 75.37 28.00
3 6.24 8.22 7.20 3.95 10 6.72 17 17 19 13 23 29 5.79 5.43 5.34 13 14 15 10 21 12 7.39 13 14 41 16 ~ 1.21 3.02 3.46 3.28 12.05 40.75 30.00
4 50 41 7.24 1.27 3.28 4.21 16 51 40 7.56 4.20 5.08 27 6.97 6.80 26 16 3.96 29 12 21 26 12 5.98 12 8.41 3.81 0.83 6.38 9 ~ 15.40 50.75 30.00
5 11 8.03 6.56 3.24 0.92 1.44 4.78 25 0.36 0.29 2.80 18 12 10 36 6.24 6.18 10 ~ 2.94 1.47 8.90 2.82 24 6.31 8.49 0.55 8.66 17 15 6.43 8.86 35.61 30.00
6 16 23 23 20 6.04 4.99 8.81 4.62 3.16 17 10 16 3.64 3.22 1.99 17 33 10 13 4.70 1.19 0.43 2.09 3.91 3.71 1.45 7.63 27 7.43 5.58 ~ 9.95 33.10 30.00
7 2.54 3.71 7.49 6.74 7.62 3.41 5.22 3.07 8.32 14 41 6.92 12 11 4.15 5.43 18 4.42 16 3.99 6.55 15 7.86 14 5.19 3.19 1.03 3.36 21 17 5.52 9.12 40.69 31.00
8 3.74 8.01 26 8.51 23 16 15 15 16 8.57 7.57 7.11 6.05 7.59 13 19 10 27 6.63 6.53 3.91 3.80 4.95 2.56 ~ 4.38 11 7.55 2.92 5.18 4.43 10.02 26.50 30.00
9 4.17 5.55 41 11 5.12 3.74 4.99 9 3.09 ~ 13 3.97 3.84 4.32 1.50 3.28 4.68 5.26 65 24 12 17 31 13 15 37 20 13 10 4.01 ~ 13.39 64.76 29.00
10 4.83 2.05 9 10 6.22 7.06 12 2.28 1.87 2.62 1.97 3.24 5.94 7.42 6.34 7.51 10 10 10 12 20 11 9 4.05 5.99 7.37 13 26 119 43 25 13.39 118.52 31.00
11 16 27 10 13 23 40 20 21 2.73 2.88 26 8.67 3.92 18 6.82 24 22 19 8.63 16 23 87 54 50 19 71 42 12 7.53 7.44 ~ 23.42 86.82 30.00
12 7.41 51 28 13 7.73 5.99 13 8.81 8.74 1.22 2.60 3.93 6.29 15 32 46 17 19 27 34 16 17 10 2.04 1.13 0.34 4.24 9 4.00 3.31 15 13.93 51.02 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. 62 14 4 5 2 2 0 0 89 27 13 9 4 2 0 0 346
REL. 69.6 15.7 4.4 5.6 2.2 2.2 0.0 0.0 100.0 30.3 14.6 10.1 4.5 2.2 0.0 0.017.1
ID 69 15 4 11 11 56 0 0 168
ABS. 88 2 0 0 0 0 0 0 90 2 0 0 0 0 0 0 51
REL. 97.7 2.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 2.2 0.0 0.0 0.0 0.0 0.0 0.0 8.4
ID 97 2 0 0 0 0 0 0 100
ABS. 89 1 0 0 0 0 0 0 90 1 0 0 0 0 0 0 65
REL. 98.8 1.1 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 19.9
ID 98 1 0 0 0 0 0 0 100
ABS. 87 4 1 0 0 0 0 0 92 5 1 0 0 0 0 0 119
REL 94.5 4.3 1.0 0.0 0.0 0.0 0.0 0.0100.0 5.4 1.1 0.0 0.0 0.0 0.0 0.029.10
ID 94 4 1 0 0 0 0 0 100
Year
ABS. 326 21 5 5 2 2 0 0 361 35 14 9 4 2 0 0 346
REL. 90.3 5.8 1.3 1.3 0.5 0.5 0.0 0.0100.0 9.7 3.9 2.5 1.1 0.6 0.0 0.0 17.1
ID 90 5 1 2 2 13 0 0 116

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