Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NO-nitrogen monoxide
Station:1459 - Pha5-Smichov
Code:CZ05CMSMI
Institution:Czech Hydrometeorological Institute
Region:Prague
District:Praha 5
IHd: 150
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 4.06 3.97 44 75 118 38 113 83 13 16 20 28 27 54 25 11 67 20 12 5.24 18 62 42 54 14 3.33 5.63 7.43 23 73 43 36.26 118.30 31.00
2 50 106 83 78 35 63 29 8.26 5.86 3.11 6.90 9 12 5.84 12 19 97 38 8.96 8.34 8.79 9 5.66 5.11 40 26 13 13 ~ ~ ~ 28.56 105.92 28.00
3 52 4.23 5.11 88 115 68 7.86 68 40 38 101 118 113 3.90 10 14 68 58 30 29 38 3.51 2.04 1.96 4.34 3.57 20 85 102 63 38 44.92 118.31 31.00
4 50 40 11 15 9 1.96 6.82 29 15 15 11 12 21 7.42 21 35 50 51 34 1.90 1.83 35 16 20 45 37 6.94 35 31 52 ~ 23.92 52.01 30.00
5 21 38 28 13 7.35 19 38 11 25 28 40 32 36 21 28 70 19 14 2.93 11 35 30 24 25 15 19 27 12 5.72 18 16 23.53 69.92 31.00
6 5.11 20 38 57 28 49 48 4.53 34 14 31 49 24 31 23 22 41 42 23 35 22 18 7.23 20 26 47 20 4.28 8.02 28 ~ 27.29 56.86 30.00
7 45 54 42 12 26 9 23 52 31 27 26 32 18 8.08 3.12 17 28 17 24 20 14 10 35 16 17 22 20 45 46 41 42 26.51 53.80 31.00
8 49 35 24 11 32 37 12 29 35 23 22 4.46 2.81 7.66 15 14 21 33 28 30 33 51 43 31 25 24 39 46 53 48 18 28.27 53.34 31.00
9 5.89 15 38 56 34 38 35 44 43 45 26 40 43 14 3.67 16 25 31 60 75 41 22 10 7.22 13 23 4.13 29 60 96 ~ 33.18 96.49 30.00
10 99 95 67 28 7.68 14 6.92 19 28 26 21 7.86 21 63 97 112 69 19 17 54 70 107 16 58 12 3.02 4.83 5.22 43 88 64 43.29 111.70 31.00
11 88 23 10 26 6.42 23 57 25 8.66 46 38 153 91 60 120 102 69 64 18 38 35 32 70 56 161 100 31 47 38 25 ~ 55.36 160.61 30.00
12 84 53 38 39 15 13 10 7.29 23 29 47 22 22 16 18 50 44 14 109 92 79 25 15 6.72 5.69 7.63 16 32 29 11 16 31.88 108.79 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. 62 20 8 0 0 0 0 0 90 28 8 0 0 0 0 0 118
REL. 68.8 22.2 8.8 0.0 0.0 0.0 0.0 0.0 100.0 31.1 8.9 0.0 0.0 0.0 0.0 0.012.3
ID 68 22 8 0 0 0 0 0 100
ABS. 87 4 0 0 0 0 0 0 91 4 0 0 0 0 0 0 70
REL. 95.6 4.3 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 16.5
ID 95 4 0 0 0 0 0 0 100
ABS. 83 9 0 0 0 0 0 0 92 9 0 0 0 0 0 0 96
REL. 90.2 9.7 0.0 0.0 0.0 0.0 0.0 0.0100.0 9.8 0.0 0.0 0.0 0.0 0.0 0.0 30.9
ID 90 9 0 0 0 0 0 0 100
ABS. 60 24 6 2 0 0 0 0 92 32 8 2 0 0 0 0 161
REL 65.2 26.0 6.5 2.1 0.0 0.0 0.0 0.0100.0 34.8 8.7 2.2 0.0 0.0 0.0 0.025.11
ID 65 26 6 4 0 0 0 0 102
Year
ABS. 292 57 14 2 0 0 0 0 365 73 16 2 0 0 0 0 161
REL. 80.0 15.6 3.8 0.5 0.0 0.0 0.0 0.0100.0 20.0 4.4 0.5 0.0 0.0 0.0 0.025.11
ID 80 15 3 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