Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 764 - Melnik - Psovka
Code:CZMEEMMPS
Institution:Melnik Power Plant
Region:Stredocesky
District:Melnik
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 15 16 47 74 27 35 35 107 95 61 94 80 39 39 73 46 26 62 51 22 13 ~ ~ ~ ~ ~ 20 37 76 57 51 49.93 107.17 26.00
2 46 43 19 30 55 44 32 96 61 29 28 64 55 83 88 120 35 25 59 25 24 22 35 21 26 60 25 14 ~ ~ ~ 45.16 119.67 28.00
3 71 35 51 ~ ~ ~ ~ ~ ~ ~ ~ 36 29 30 42 31 17 16 15 19 12 36 30 27 20 25 ~ ~ ~ 54 30 31.23 71.23 20.00
4 26 32 46 29 35 37 22 28 27 30 40 24 21 21 14 31 36 37 29 27 15 22 39 38 19 32 29 23 14 15 ~ 27.85 45.52 30.00
5 16 15 20 33 17 15 22 29 25 24 26 14 15 11 26 25 30 34 21 26 25 20 20 26 22 16 21 36 26 25 23 22.74 35.81 31.00
6 28 14 13 26 33 35 29 28 12 15 34 29 24 39 20 17 23 28 28 36 30 26 34 25 33 33 19 40 33 20 ~ 26.76 39.72 30.00
7 29 31 19 25 21 12 18 26 43 25 47 51 ~ 31 39 25 22 17 22 30 19 23 21 35 28 33 30 17 20 32 28 27.19 50.50 30.00
8 26 16 27 20 19 ~ 24 27 ~ 36 21 18 35 ~ ~ 24 36 27 34 37 40 44 33 26 24 24 32 21 30 15 38 27.96 44.23 27.00
9 24 21 25 35 48 39 35 11 ~ ~ ~ 35 34 39 23 34 36 24 ~ ~ 34 ~ ~ 34 36 41 46 23 25 29 ~ 31.76 48.46 23.00
10 37 ~ 39 35 38 31 29 52 42 57 50 48 44 59 78 63 32 32 61 33 25 54 41 17 33 27 15 ~ 46 34 32 40.87 77.54 29.00
11 21 44 39 37 38 39 38 ~ 32 ~ 41 65 49 61 94 146 35 36 62 74 93 33 23 42 44 45 37 74 51 18 ~ 50.41 146.11 28.00
12 13 10 20 29 46 38 31 34 66 67 86 25 31 69 49 23 55 63 47 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 42.33 85.67 19.00

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. 33 29 10 2 0 0 0 0 74 41 12 2 0 0 0 0 120
REL. 44.5 39.1 13.5 2.7 0.0 0.0 0.0 0.0 100.0 55.4 16.2 2.7 0.0 0.0 0.0 0.016.2
ID 44 39 13 5 0 0 0 0 102
ABS. 74 17 0 0 0 0 0 0 91 17 0 0 0 0 0 0 46
REL. 81.3 18.6 0.0 0.0 0.0 0.0 0.0 0.0 100.0 18.7 0.0 0.0 0.0 0.0 0.0 0.0 3.4
ID 81 18 0 0 0 0 0 0 100
ABS. 53 27 0 0 0 0 0 0 80 27 0 0 0 0 0 0 51
REL. 66.2 33.7 0.0 0.0 0.0 0.0 0.0 0.0100.0 33.7 0.0 0.0 0.0 0.0 0.0 0.0 12.7
ID 66 33 0 0 0 0 0 0 100
ABS. 23 44 8 1 0 0 0 0 76 53 9 1 0 0 0 0 146
REL 30.2 57.8 10.5 1.3 0.0 0.0 0.0 0.0100.0 69.7 11.8 1.3 0.0 0.0 0.0 0.016.11
ID 30 57 10 2 0 0 0 0 101
Year
ABS. 183 117 18 3 0 0 0 0 321 138 21 3 0 0 0 0 146
REL. 57.0 36.4 5.6 0.9 0.0 0.0 0.0 0.0100.0 43.0 6.5 0.9 0.0 0.0 0.0 0.016.11
ID 57 36 5 1 0 0 0 0 100

Note:

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