Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
Pollutant:NO-nitrogen monoxide
Station:1140 - Beroun
Code:CZBECMBER
Institution:Czech Hydrometeorological Institute
Region:Stredocesky
District:Beroun
IHd: 150
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 15 60 63 19 67 54 71 73 47 76 103 66 21 28 33 17 20 14 12 11 14 41 26 ~ ~ ~ ~ ~ ~ ~ ~ 41.31 102.77 23.00
2 ~ ~ ~ 12 10 84 16 3.69 1.05 65 46 26 3.00 50 33 7.98 8.96 31 25 2.79 55 55 52 49 6.40 42 91 75 13 ~ ~ 33.17 90.67 26.00
3 9 3.07 4.93 0.96 23 40 3.70 3.06 1.86 24 5.53 32 58 13 3.49 7.72 10 18 21 39 37 52 63 64 41 10 6.08 15 ~ 23 20 21.62 64.01 30.00
4 18 45 48 50 17 23 4.91 10 43 38 30 46 18 35 13 61 21 40 18 ~ 34 13 7.07 6.86 32 48 16 10 16 10 ~ 26.60 61.22 29.00
5 17 36 37 45 38 14 8.21 26 37 37 ~ 12 11 38 44 ~ 22 12 13 3.13 10 7.71 42 37 17 21 3.50 7.91 20 7.34 24 22.33 44.74 29.00
6 42 33 11 19 16 9 23 28 24 6.68 5.32 13 16 11 9 5.08 5.95 30 31 37 35 9 20 4.41 6.46 2.34 21 22 29 18 ~ 18.08 42.07 30.00
7 6.63 15 16 11 3.22 18 19 2.97 6.08 19 26 13 6.60 17 2.73 5.88 24 25 3.48 21 10 8.18 38 27 ~ 27 18 10 1.31 18 32 15.06 38.11 30.00
8 46 24 12 19 9 25 19 49 43 42 29 11 41 45 37 29 37 34 13 25 8.69 23 44 35 24 16 43 39 45 41 31 30.25 49.26 31.00
9 25 4.99 3.01 27 46 36 40 45 28 40 54 82 48 37 44 5.64 21 36 40 23 25 59 20 42 93 85 55 53 56 33 ~ 40.23 92.95 30.00
10 13 48 67 66 30 14 7.11 27 63 59 54 77 138 55 28 103 42 52 75 62 62 69 38 71 49 20 7.16 41 45 137 45 53.65 137.55 31.00
11 85 134 99 19 98 36 111 190 164 95 76 75 141 56 119 118 46 70 114 117 123 163 195 64 35 11 68 174 104 60 ~ 98.56 194.56 30.00
12 51 33 77 84 43 48 54 118 115 60 42 55 10 21 5.61 2.77 51 92 80 121 81 82 73 56 22 49 39 42 162 67 14 59.65 161.57 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- 50 51- 100 101- 150 151- 225 226- 300 301- 450 451- 600 over 600 50 100 150 225 300 450 600
ABS. 59 19 1 0 0 0 0 0 79 20 1 0 0 0 0 0 103
REL. 74.6 24.0 1.2 0.0 0.0 0.0 0.0 0.0 100.0 25.3 1.3 0.0 0.0 0.0 0.0 0.011.1
ID 74 24 1 0 0 0 0 0 100
ABS. 86 2 0 0 0 0 0 0 88 2 0 0 0 0 0 0 61
REL. 97.7 2.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 2.3 0.0 0.0 0.0 0.0 0.0 0.0 16.4
ID 97 2 0 0 0 0 0 0 100
ABS. 83 8 0 0 0 0 0 0 91 8 0 0 0 0 0 0 93
REL. 91.2 8.7 0.0 0.0 0.0 0.0 0.0 0.0100.0 8.8 0.0 0.0 0.0 0.0 0.0 0.0 25.9
ID 91 8 0 0 0 0 0 0 100
ABS. 33 38 15 6 0 0 0 0 92 59 21 6 0 0 0 0 195
REL 35.8 41.3 16.3 6.5 0.0 0.0 0.0 0.0100.0 64.1 22.8 6.5 0.0 0.0 0.0 0.023.11
ID 35 41 16 13 0 0 0 0 106
Year
ABS. 261 67 16 6 0 0 0 0 350 89 22 6 0 0 0 0 195
REL. 74.5 19.1 4.5 1.7 0.0 0.0 0.0 0.0100.0 25.4 6.3 1.7 0.0 0.0 0.0 0.023.11
ID 74 19 4 3 0 0 0 0 101

Note:

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