Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NO-nitrogen monoxide
Station:1140 - Beroun
Code:CZBECMBER
Institution:CHMI
Region:Stredocesky
District:Beroun
IHd: 150
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 52 99 3.12 3.82 3.49 3.38 6.59 3.25 7.21 68 29 42 27 54 177 116 28 58 12 3.65 1.37 5.81 5.12 15 42 116 104 52 56 37 13 40.05 177.04 31.00
2 35 32 37 143 114 130 39 40 62 110 57 6.80 4.69 1.15 6.95 13 43 83 48 97 46 36 60 50 143 54 7.48 1.43 ~ ~ ~ 53.60 143.34 28.00
3 1.49 5.35 5.78 6.17 1.07 2.44 0.54 0.77 17 35 50 22 3.17 2.70 13 20 7.60 5.22 1.91 2.48 2.88 12 27 36 ~ 54 28 27 38 69 82 19.35 82.16 30.00
4 55 65 31 5.14 38 48 23 25 51 33 6.48 2.56 25 23 58 33 18 6.91 28 42 37 53 47 20 13 7.34 9 26 17 21 ~ 28.88 64.77 30.00
5 8.74 5.02 4.14 1.29 2.62 5.40 26 16 9 23 31 26 24 20 15 4.30 23 40 27 21 10 4.83 1.62 15 14 30 33 26 10 ~ 8.32 16.16 39.53 30.00
6 20 27 16 15 13 5.45 2.23 21 26 12 20 4.29 3.47 19 22 4.47 18 11 10 7.19 22 10 4.24 11 25 22 5.79 17 23 8.44 ~ 14.09 26.87 30.00
7 11 17 8.79 1.62 1.81 6.86 21 2.63 1.89 4.78 1.36 13 9 20 27 19 7.03 3.30 25 38 18 17 14 13 7.18 17 12 6.30 6.55 10 20 12.26 38.49 31.00
8 10 2.37 6.55 9 16 28 22 9 15 31 34 20 15 20 14 18 30 30 28 37 19 2.30 10 6.23 14 7.00 8.12 2.72 7.23 25 22 16.75 36.84 31.00
9 43 20 22 16 10 27 55 41 50 19 24 3.81 31 19 ~ 5.22 22 16 27 27 41 42 59 39 43 30 34 54 42 24 ~ 30.61 59.35 29.00
10 20 25 24 12 44 37 69 51 57 15 7.43 11 52 44 51 96 44 20 72 39 61 30 87 37 12 9 8.12 1.41 7.45 5.38 7.01 34.03 95.96 31.00
11 2.40 52 20 19 6.93 25 74 70 119 134 37 92 60 36 22 67 8.94 20 85 18 25 56 117 41 37 48 168 148 18 45 ~ 55.69 168.32 30.00
12 32 48 53 ~ ~ ~ 4.04 20 97 128 100 165 2.24 23 ~ 15 141 178 7.46 32 78 127 146 24 5.37 3.48 16 80 ~ 70 10 61.69 177.56 26.00

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. 62 18 8 1 0 0 0 0 89 27 9 1 0 0 0 0 177
REL. 69.6 20.2 8.9 1.1 0.0 0.0 0.0 0.0 100.0 30.3 10.1 1.1 0.0 0.0 0.0 0.015.1
ID 69 20 8 2 0 0 0 0 101
ABS. 85 5 0 0 0 0 0 0 90 5 0 0 0 0 0 0 65
REL. 94.4 5.5 0.0 0.0 0.0 0.0 0.0 0.0 100.0 5.6 0.0 0.0 0.0 0.0 0.0 0.0 2.4
ID 94 5 0 0 0 0 0 0 100
ABS. 88 3 0 0 0 0 0 0 91 3 0 0 0 0 0 0 59
REL. 96.7 3.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 3.3 0.0 0.0 0.0 0.0 0.0 0.0 23.9
ID 96 3 0 0 0 0 0 0 100
ABS. 53 22 9 3 0 0 0 0 87 34 12 3 0 0 0 0 178
REL 60.9 25.2 10.3 3.4 0.0 0.0 0.0 0.0100.0 39.1 13.8 3.4 0.0 0.0 0.0 0.018.12
ID 60 25 10 6 0 0 0 0 103
Year
ABS. 288 48 17 4 0 0 0 0 357 69 21 4 0 0 0 0 178
REL. 80.6 13.4 4.7 1.1 0.0 0.0 0.0 0.0100.0 19.3 5.9 1.1 0.0 0.0 0.0 0.018.12
ID 80 13 4 2 0 0 0 0 101

Note:

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