Detailed overview of ambient air pollution valuis from individual stations

1194 - Plzen-Roudna

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1194 - Plzen-Roudna
Code:CZPMHSPLR
Institution:Public Health Service
Region:Zapadocesky
District:Plzen-mesto
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 65 94 40 45 47 38 50 42 27 31 24 28 100 171 188 205 139 104 65 99 ~ 39 ~ 106 ~ ~ 76 62 50 45 29 74.35 205.48 27.00
2 58 45 86 59 42 50 116 66 67 67 30 33 20 32 18 20 41 60 30 23 19 41 55 66 33 22 24 50 ~ ~ ~ 45.44 115.76 28.00
3 62 32 37 42 35 70 27 46 26 49 60 53 43 35 23 19 19 25 23 22 29 20 18 21 34 47 23 14 12 12 27 32.36 70.00 31.00
4 58 67 33 6.50 8.16 6.11 22 36 57 30 14 5.28 16 17 6.32 11 20 17 8.29 8.68 18 41 34 38 20 12 16 24 12 11 ~ 22.45 66.94 30.00
5 11 19 17 26 33 13 12 8.29 13 15 14 20 10 19 12 11 7.94 8.24 20 ~ ~ ~ 11 7.72 5.89 10 9 12 14 7.15 5.15 13.33 32.63 28.00
6 5.10 13 33 24 7.55 7.55 5.23 8.20 59 112 139 119 111 101 96 103 100 104 101 111 111 112 116 52 29 32 19 20 17 23 ~ 63.06 138.83 30.00
7 ~ 15 16 20 11 10 18 19 21 15 21 19 13 26 22 19 25 16 10 8.24 23 34 24 22 20 13 17 21 28 33 31 19.68 33.93 30.00
8 20 25 24 36 30 14 17 22 19 14 16 20 38 35 29 14 12 ~ 22 22 30 48 36 31 40 31 33 17 18 22 23 25.26 48.49 30.00
9 41 19 26 47 39 22 17 22 16 24 38 50 20 30 51 42 57 57 40 17 22 45 73 ~ ~ 93 32 40 80 48 ~ 39.50 92.60 28.00
10 45 15 26 21 44 98 93 49 19 26 15 16 26 31 39 33 51 54 62 45 28 67 56 27 18 13 29 30 67 29 30 38.80 98.09 31.00
11 49 63 66 24 46 54 168 87 44 97 80 46 45 95 35 26 29 19 22 48 73 67 50 35 33 41 65 81 92 56 ~ 57.82 167.79 30.00
12 56 28 44 51 56 36 41 77 127 68 43 28 15 24 17 31 25 24 35 38 57 105 86 31 19 16 20 23 27 90 105 46.51 127.06 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. 35 37 7 4 2 1 0 0 86 51 14 7 3 1 0 0 205
REL. 40.6 43.0 8.1 4.6 2.3 1.1 0.0 0.0 100.0 59.3 16.3 8.1 3.5 1.2 0.0 0.016.1
ID 40 43 8 9 11 29 0 0 141
ABS. 65 8 2 13 0 0 0 0 88 23 15 13 0 0 0 0 139
REL. 73.8 9.0 2.2 14.7 0.0 0.0 0.0 0.0 100.0 26.1 17.0 14.8 0.0 0.0 0.0 0.0 11.6
ID 73 9 2 29 0 0 0 0 114
ABS. 65 20 3 0 0 0 0 0 88 23 3 0 0 0 0 0 93
REL. 73.8 22.7 3.4 0.0 0.0 0.0 0.0 0.0100.0 26.1 3.4 0.0 0.0 0.0 0.0 0.0 26.9
ID 73 22 3 0 0 0 0 0 100
ABS. 38 34 16 3 1 0 0 0 92 54 20 4 1 0 0 0 168
REL 41.3 36.9 17.3 3.2 1.0 0.0 0.0 0.0100.0 58.7 21.7 4.3 1.1 0.0 0.0 0.0 7.11
ID 41 36 17 6 5 0 0 0 107
Year
ABS. 203 99 28 20 3 1 0 0 354 151 52 24 4 1 0 0 205
REL. 57.3 27.9 7.9 5.6 0.8 0.2 0.0 0.0100.0 42.7 14.7 6.8 1.1 0.3 0.0 0.0 16.1
ID 57 27 7 11 4 7 0 0 115

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