Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
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 28 62 113 149 130 13 68 131 92 153 96 105 82 68 180 308 60 61 58 37 26 47 93 75 91 74 17 75 202 98 29 91.05 308.34 31.00
2 26 33 36 86 52 87 161 103 35 45 65 172 46 75 152 144 22 19 26 4.15 2.29 1.45 7.95 14 43 49 56 51 ~ ~ ~ 57.67 171.88 28.00
3 74 61 30 18 11 51 59 50 95 22 8.10 14 10 14 55 62 31 40 2.97 4.90 26 39 63 40 15 6.07 18 23 21 52 34 33.86 94.67 31.00
4 59 67 59 27 34 65 7.85 20 41 38 22 2.98 2.96 2.06 3.77 28 34 20 29 6.06 2.16 6.11 28 43 18 22 23 12 42 35 ~ 26.62 67.35 30.00
5 42 25 25 18 1.93 1.26 5.57 21 34 33 13 8.07 35 16 16 13 8.06 3.76 ~ 33 23 33 38 28 18 11 4.65 5.27 5.08 9 11 17.97 41.54 30.00
6 2.01 3.37 0.72 3.25 27 36 20 7.51 7.98 6.72 8.39 21 34 37 29 2.88 9 5.16 13 29 12 5.89 3.34 19 24 29 29 11 13 6.68 ~ 15.26 36.82 30.00
7 19 19 24 21 10 4.58 2.62 4.05 19 26 12 13 28 12 4.31 11 20 18 30 21 6.49 28 30 23 21 21 24 8.85 11 27 12 17.08 29.93 31.00
8 18 26 9 5.47 15 22 32 48 16 20 11 30 39 36 27 19 10 8.27 21 ~ 14 26 22 29 16 33 26 20 31 48 51 24.29 50.81 30.00
9 0.30 7.51 36 14 30 35 5.34 2.48 0.30 1.60 2.82 40 24 30 9 8.33 19 46 69 37 16 28 12 19 28 28 45 25 40 67 ~ 24.20 69.01 30.00
10 33 74 69 34 42 26 37 55 69 72 47 75 51 58 89 81 49 64 89 33 46 52 56 90 97 78 43 28 6.12 35 18 54.70 97.14 31.00
11 4.13 17 54 50 49 37 13 9 23 70 91 46 75 114 108 125 37 20 65 94 75 8.72 7.48 21 60 230 105 35 48 51 ~ 58.12 229.93 30.00
12 18 16 40 107 163 37 21 13 55 90 158 12 25 28 40 5.52 31 15 12 13 6.57 19 4.28 3.87 2.71 4.57 4.96 3.98 20 2.22 4.76 31.54 162.96 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. 45 31 7 6 0 1 0 0 90 45 14 7 1 1 0 0 308
REL. 50.0 34.4 7.7 6.6 0.0 1.1 0.0 0.0 100.0 50.0 15.6 7.8 1.1 1.1 0.0 0.016.1
ID 50 34 7 13 0 27 0 0 133
ABS. 86 4 0 0 0 0 0 0 90 4 0 0 0 0 0 0 67
REL. 95.5 4.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 4.4 0.0 0.0 0.0 0.0 0.0 0.0 2.4
ID 95 4 0 0 0 0 0 0 100
ABS. 88 3 0 0 0 0 0 0 91 3 0 0 0 0 0 0 69
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 19.9
ID 96 3 0 0 0 0 0 0 100
ABS. 55 29 5 2 1 0 0 0 92 37 8 3 1 0 0 0 230
REL 59.7 31.5 5.4 2.1 1.0 0.0 0.0 0.0100.0 40.2 8.7 3.3 1.1 0.0 0.0 0.026.11
ID 59 31 5 4 5 0 0 0 106
Year
ABS. 274 67 12 8 1 1 0 0 363 89 22 10 2 1 0 0 308
REL. 75.4 18.4 3.3 2.2 0.2 0.2 0.0 0.0100.0 24.5 6.1 2.8 0.6 0.3 0.0 0.0 16.1
ID 75 18 3 4 1 6 0 0 109

Note:

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