Detailed overview of ambient air pollution valuis from individual stations


Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 764 - Melnik - Psovka
Code:CZMECEMPS
Institution:CEZ
Region:Stredocesky
District:Melnik
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 45 44.83 44.83 1.00
2 39 37 33 46 51 41 37 28 26 23 24 26 29 19 27 28 25 37 25 24 21 28 20 20 35 24 27 20 ~ ~ ~ 29.21 50.65 28.00
3 21 21 20 29 35 53 22 30 31 24 33 33 45 26 32 33 35 43 19 19 17 7.88 8.28 6.44 8.08 7.67 ~ ~ ~ ~ ~ 25.31 52.92 26.00
4 ~ 19 19 17 9 6.84 13 19 15 14 27 23 22 24 22 18 30 28 19 15 12 19 21 13 23 16 9 10 12 14 ~ 17.58 29.65 29.00
5 13 14 16 17 13 13 14 17 17 14 13 10 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 14.33 17.41 12.00
6 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
7 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
8 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
9 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 86 61 46 81 94 84 125 125 87 78 69 50 81 128 59 61 ~ ~ ~ 82.23 128.13 16.00
10 ~ ~ ~ ~ 56 53 76 174 115 193 200 205 226 144 105 175 83 88 60 84 137 367 53 75 112 35 48 46 99 132 142 121.52 367.33 27.00
11 155 52 62 79 51 62 114 82 52 72 91 98 113 134 ~ ~ ~ 87 50 45 61 97 50 40 73 130 52 63 57 51 ~ 76.75 154.85 27.00
12 34 45 43 57 42 34 30 21 28 30 40 40 48 31 26 36 52 32 65 68 75 147 50 34 25 17 28 39 ~ ~ ~ 43.45 146.88 28.00

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. 41 14 0 0 0 0 0 0 551 14 0 0 0 0 0 0 53
REL. 74.5 25.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 25.5 0.0 0.0 0.0 0.0 0.0 0.06.3
ID 74 25 0 0 0 0 0 0 100
ABS. 41 0 0 0 0 0 0 0 411 0 0 0 0 0 0 0 30
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 17.4
ID 100 0 0 0 0 0 0 0 100
ABS. 0 5 8 3 0 0 0 0 162 16 11 3 0 0 0 0 128
REL. 0.0 31.2 50.0 18.7 0.0 0.0 0.0 0.0100.0 100.0 68.8 18.8 0.0 0.0 0.0 0.0 26.9
ID 0 31 50 37 0 0 0 0 118
ABS. 10 36 16 12 5 2 1 0 82 72 36 20 8 3 1 0 367
REL 12.1 43.9 19.5 14.6 6.0 2.4 1.2 0.0100.0 87.8 43.9 24.4 9.8 3.7 1.2 0.022.10
ID 12 43 19 29 30 60 152 0 348
Year
ABS. 92 55 24 15 5 2 1 0 1941 102 47 23 8 3 1 0 367
REL. 47.4 28.3 12.3 7.7 2.5 1.0 0.5 0.0100.0 52.6 24.2 11.9 4.1 1.5 0.5 0.022.10
ID 47 28 12 15 12 25 64 0 206

Note:

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