Detailed overview of ambient air pollution valuis from individual stations

1105 - Plzen-Doubravka


Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1105 - Plzen-Doubravka
Code:CZPMCMDOU
Institution:CHMI
Region:Zapadocesky
District:Plzen-mesto
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 64 71 38 42 43 38 50 38 20 28 26 38 142 176 283 234 141 113 61 100 44 29 91 127 54 19 65 67 74 46 39 77.43 283.14 31.00
2 46 37 96 53 53 59 100 66 111 92 31 50 58 59 19 16 24 44 24 36 43 33 62 68 36 42 27 55 ~ ~ ~ 51.28 111.15 28.00
3 45 36 32 21 32 63 24 32 21 31 59 55 52 44 30 19 22 21 30 19 27 21 11 17 33 39 55 32 11 13 23 31.27 62.79 31.00
4 43 39 ~ 16 43 19 24 34 65 48 22 10 29 24 11 14 30 22 12 8.39 19 37 ~ 48 31 17 21 21 25 14 ~ 26.66 64.86 28.00
5 22 32 20 20 26 14 14 18 17 14 15 24 14 15 14 12 11 15 24 17 21 26 15 11 8.71 17 10 20 16 10 7.88 16.80 32.49 31.00
6 10 17 40 23 4.28 7.31 3.80 12 5.41 6.24 7.58 25 22 13 14 11 13 14 13 22 12 14 21 14 ~ ~ ~ ~ ~ ~ ~ 14.36 39.81 24.00
7 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
8 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
9 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
10 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 35 23 24 28 31 51 29 28 31.16 51.49 8.00
11 49 74 80 22 34 48 138 72 30 41 67 42 53 65 38 23 26 16 19 35 69 73 44 30 24 39 62 60 72 46 ~ 49.69 138.37 30.00
12 59 27 34 45 42 37 44 66 159 31 33 32 15 17 13 29 13 16 25 32 39 87 77 32 17 14 23 22 26 61 89 40.54 159.10 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- 33 34- 67 68- 100 101- 150 151- 200 201- 300 301- 400 over 400 33 67 100 150 200 300 400
ABS. 33 41 7 6 1 2 0 0 90 57 16 9 3 2 0 0 283
REL. 36.6 45.5 7.7 6.6 1.1 2.2 0.0 0.0 100.0 63.3 17.8 10.0 3.3 2.2 0.0 0.015.1
ID 36 45 7 13 5 55 0 0 164
ABS. 74 9 0 0 0 0 0 0 83 9 0 0 0 0 0 0 65
REL. 89.1 10.8 0.0 0.0 0.0 0.0 0.0 0.0 100.0 10.8 0.0 0.0 0.0 0.0 0.0 0.0 9.4
ID 89 10 0 0 0 0 0 0 100
ABS. 0 0 0 0 0 0 0 0 02 0 0 0 0 0 0 0 0
ABS. 32 25 10 1 1 0 0 0 69 37 12 2 1 0 0 0 159
REL 46.3 36.2 14.4 1.4 1.4 0.0 0.0 0.0100.0 53.6 17.4 2.9 1.4 0.0 0.0 0.0 9.12
ID 46 36 14 2 7 0 0 0 107
Year
ABS. 139 75 17 7 2 2 0 0 242 103 28 11 4 2 0 0 283
REL. 57.4 30.9 7.0 2.8 0.8 0.8 0.0 0.0100.0 42.6 11.6 4.5 1.7 0.8 0.0 0.0 15.1
ID 57 30 7 5 4 20 0 0 126

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