Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NO-nitrogen monoxide
Station:1321 - Plzen-stred
Code:CZPMPZPST
Institution:Plzen City
Region:Plzensky
District:Plzen-mesto
IHd: 150
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 6.55 14 17 56 87 42 91 48 14 19 31 21 17 22 13 16 20 14 10 4.45 34 21 96 17 13 7.05 7.75 12 16 72 90 30.61 96.35 31.00
2 72 98 29 68 170 ~ ~ ~ ~ ~ ~ ~ ~ ~ 11 8.53 49 33 8.48 7.32 8.87 10 5.55 4.53 17 6.71 8.27 18 ~ ~ ~ 33.38 170.19 19.00
3 57 8.04 8.91 36 37 14 9 33 14 37 62 48 64 11 16 11 7.83 58 10 15 14 12 5.96 4.95 7.57 8.28 13 20 17 27 13 22.57 64.13 31.00
4 22 13 7.85 9 10 6.27 6.74 6.92 6.72 7.88 8.83 10 10 9 38 40 41 31 22 7.48 13 20 17 15 18 6.78 2.81 6.68 5.72 9 ~ 14.31 41.30 30.00
5 20 6.89 7.22 5.09 13 25 5.66 1.73 2.74 5.73 2.73 6.46 13 8.71 21 36 7.69 2.02 12 9 4.67 3.19 3.48 14 7.27 17 18 24 18 27 7.84 11.48 36.42 31.00
6 2.52 8.54 8.40 6.47 3.05 6.18 7.35 10 5.59 7.57 19 14 7.51 22 7.97 10 17 20 5.12 4.97 5.87 5.74 4.59 12 6.47 12 6.37 5.05 5.73 14 ~ 8.99 21.90 30.00
7 14 7.83 5.55 10 3.43 3.47 16 17 4.33 4.91 13 5.26 3.13 3.44 4.55 7.22 8.09 7.92 13 4.39 3.93 16 11 7.02 17 7.70 6.71 10 4.73 5.86 8.61 8.20 17.12 31.00
8 4.34 8.37 4.75 10 8.59 5.08 8.87 11 8.23 3.10 ~ ~ ~ ~ ~ 20 17 23 ~ ~ ~ 30 8.28 5.91 4.85 3.20 2.75 20 31 37 ~ 12.53 37.48 22.00
9 ~ 10 7.84 28 15 17 12 7.73 15 13 32 15 21 10 21 22 12 19 36 50 16 12 8.69 7.26 12 16 17 18 34 64 ~ 19.53 64.26 29.00
10 60 68 23 26 11 10 19 13 8.97 11 8.44 10 20 23 41 61 14 24 9 21 82 91 11 61 38 10 8.33 10 28 42 41 29.15 90.61 31.00
11 43 11 21 37 12 14 13 9 3.65 30 40 86 136 39 82 51 42 28 33 45 26 27 43 ~ ~ 65 44 28 ~ ~ ~ 38.81 136.28 26.00
12 ~ 46 31 45 21 22 12 7.12 12 15 16 13 20 11 12 159 87 26 59 44 70 24 21 7.67 4.37 6.14 11 17 10 3.86 3.13 27.89 158.94 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- 50 51- 100 101- 150 151- 225 226- 300 301- 450 451- 600 over 600 50 100 150 225 300 450 600
ABS. 67 13 0 1 0 0 0 0 81 14 1 1 0 0 0 0 170
REL. 82.7 16.0 0.0 1.2 0.0 0.0 0.0 0.0 100.0 17.3 1.2 1.2 0.0 0.0 0.0 0.05.2
ID 82 16 0 2 0 0 0 0 101
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 41
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. 81 1 0 0 0 0 0 0 82 1 0 0 0 0 0 0 64
REL. 98.7 1.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 1.2 0.0 0.0 0.0 0.0 0.0 0.0 30.9
ID 98 1 0 0 0 0 0 0 100
ABS. 72 13 1 1 0 0 0 0 87 15 2 1 0 0 0 0 159
REL 82.7 14.9 1.1 1.1 0.0 0.0 0.0 0.0100.0 17.2 2.3 1.1 0.0 0.0 0.0 0.016.12
ID 82 14 1 2 0 0 0 0 101
Year
ABS. 311 27 1 2 0 0 0 0 341 30 3 2 0 0 0 0 170
REL. 91.2 7.9 0.2 0.5 0.0 0.0 0.0 0.0100.0 8.8 0.9 0.6 0.0 0.0 0.0 0.0 5.2
ID 91 7 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