Detailed overview of ambient air pollution valuis from individual stations

764 - Psovka

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 764 - Psovka
Code:CZMEEMPSO
Institution:Mělník Power Plant
Region:Stredocesky
District:Melnik
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 64 ~ 26 37 34 30 ~ 103 51 63 71 43 54 96 112 86 115 98 41 45 60 32 37 97 44 19 62 79 80 56 43 61.29 114.73 29.00
2 50 35 110 59 64 65 49 75 68 88 41 45 28 38 40 21 18 32 37 33 27 31 30 30 22 24 32 37 ~ ~ ~ 44.01 110.08 28.00
3 36 33 49 43 42 69 39 56 39 ~ 58 61 56 47 24 20 42 34 42 31 47 33 15 22 31 46 15 12 10 28 32 37.12 69.38 30.00
4 56 30 24 22 24 14 36 45 37 42 27 22 22 43 23 27 41 58 ~ 18 27 44 39 41 ~ 19 24 24 26 35 ~ 31.80 58.32 28.00
5 20 32 24 21 22 19 23 19 17 15 11 29 26 23 25 19 13 11 26 25 26 27 28 17 11 20 23 24 27 20 16 21.39 31.94 31.00
6 16 26 28 30 13 10 12 12 22 21 16 27 31 19 20 21 29 32 14 29 14 12 17 22 19 11 23 17 7.40 17 ~ 19.69 32.27 30.00
7 25 13 23 ~ 14 12 20 21 26 21 20 15 13 16 26 21 8.92 26 10 12 28 20 29 26 24 13 13 20 16 21 23 19.21 29.44 30.00
8 23 19 14 26 26 22 17 18 16 11 14 22 29 29 32 19 10 36 22 17 24 32 24 20 17 21 23 19 29 20 18 21.62 36.25 31.00
9 24 27 27 33 25 20 19 21 15 21 23 28 18 18 27 19 37 34 41 25 17 34 37 31 33 45 31 20 56 48 ~ 28.53 56.38 30.00
10 39 16 28 18 21 30 41 49 27 34 14 24 30 32 42 45 28 22 35 60 31 53 52 33 18 27 60 47 72 42 21 35.20 71.81 31.00
11 38 51 47 32 22 85 76 58 26 46 72 25 48 ~ 25 22 33 11 29 24 44 44 39 50 24 49 29 40 26 23 ~ 39.26 84.71 29.00
12 44 36 40 31 48 40 32 31 62 47 41 40 17 23 20 17 11 14 24 13 32 69 76 25 15 10 18 28 32 38 ~ 32.52 75.88 30.00

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- 33 34- 67 68- 100 101- 150 151- 200 201- 300 301- 400 over 400 33 67 100 150 200 300 400
ABS. 29 43 11 4 0 0 0 0 87 58 15 4 0 0 0 0 115
REL. 33.3 49.4 12.6 4.5 0.0 0.0 0.0 0.0 100.0 66.7 17.2 4.6 0.0 0.0 0.0 0.017.1
ID 33 49 12 9 0 0 0 0 104
ABS. 77 12 0 0 0 0 0 0 89 12 0 0 0 0 0 0 58
REL. 86.5 13.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 13.5 0.0 0.0 0.0 0.0 0.0 0.0 18.4
ID 86 13 0 0 0 0 0 0 100
ABS. 82 9 0 0 0 0 0 0 91 9 0 0 0 0 0 0 56
REL. 90.1 9.8 0.0 0.0 0.0 0.0 0.0 0.0100.0 9.9 0.0 0.0 0.0 0.0 0.0 0.0 29.9
ID 90 9 0 0 0 0 0 0 100
ABS. 47 37 6 0 0 0 0 0 90 43 6 0 0 0 0 0 85
REL 52.2 41.1 6.6 0.0 0.0 0.0 0.0 0.0100.0 47.8 6.7 0.0 0.0 0.0 0.0 0.0 6.11
ID 52 41 6 0 0 0 0 0 100
Year
ABS. 235 101 17 4 0 0 0 0 357 122 21 4 0 0 0 0 115
REL. 65.8 28.2 4.7 1.1 0.0 0.0 0.0 0.0100.0 34.2 5.9 1.1 0.0 0.0 0.0 0.0 17.1
ID 65 28 4 2 0 0 0 0 101

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