Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NO-nitrogen monoxide
Station: 775 - Pha5-Mlynarka
Code:CZ05CMMLY
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 4.59 11 76 133 169 50 75 105 20 24 24 30 37 56 33 19 63 19 8.69 4.46 14 55 20 15 15 3.79 3.69 5.70 10 68 42 39.13 168.62 31.00
2 57 121 101 81 54 90 32 9 5.56 3.97 6.11 7.28 17 20 36 44 97 40 8.11 5.87 16 7.33 4.37 4.69 32 5.57 7.40 14 ~ ~ ~ 33.13 121.25 28.00
3 48 7.21 6.76 88 116 47 6.51 66 15 42 90 109 94 22 27 19 56 39 7.95 15 19 18 10 8.18 16 23 27 98 106 58 40 43.35 115.71 31.00
4 53 36 13 12 9 7.18 23 29 14 11 17 13 11 14 14 22 30 18 17 9 10 37 16 26 22 8.18 6.69 16 7.86 32 ~ 18.56 52.98 30.00
5 23 25 24 9 13 21 18 10 13 13 22 27 32 11 21 29 12 8.72 13 20 18 15 14 13 8.65 19 20 21 18 27 12 17.86 32.25 31.00
6 10 21 22 17 11 16 21 14 29 21 28 27 17 36 15 27 29 24 20 16 16 14 13 26 22 19 10 12 6.78 14 ~ 19.00 35.81 30.00
7 14 19 11 9 7.99 4.77 12 20 11 8.67 32 21 5.95 7.34 18 ~ 18 15 14 11 5.91 10 8.27 12 20 11 13 27 25 15 14 13.98 31.79 30.00
8 27 24 10 6.80 19 21 15 18 22 11 6.40 ~ ~ 11 13 12 12 19 20 19 11 37 30 16 21 19 12 32 33 39 13 18.95 38.85 29.00
9 17 32 27 37 29 35 32 37 41 25 33 32 51 17 11 30 24 41 61 71 31 18 19 11 23 22 18 38 70 123 ~ 35.22 123.15 30.00
10 98 101 48 29 6.97 8.56 19 34 25 19 12 9 30 32 81 108 23 21 12 61 86 116 9 73 13 4.03 4.47 ~ ~ 108 57 43.05 115.57 29.00
11 79 12 15 44 21 37 60 18 5.93 51 38 127 75 67 143 121 70 107 42 56 47 39 64 71 142 87 62 32 45 26 ~ 60.19 142.60 30.00
12 85 69 52 56 39 35 20 17 45 58 119 34 33 26 25 57 92 29 137 130 122 42 29 14 8.64 10 29 41 18 15 19 48.59 136.71 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. 64 18 7 1 0 0 0 0 90 26 8 1 0 0 0 0 169
REL. 71.1 20.0 7.7 1.1 0.0 0.0 0.0 0.0 100.0 28.9 8.9 1.1 0.0 0.0 0.0 0.05.1
ID 71 20 7 2 0 0 0 0 101
ABS. 90 1 0 0 0 0 0 0 91 1 0 0 0 0 0 0 53
REL. 98.9 1.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 98 1 0 0 0 0 0 0 100
ABS. 84 4 1 0 0 0 0 0 89 5 1 0 0 0 0 0 123
REL. 94.3 4.4 1.1 0.0 0.0 0.0 0.0 0.0100.0 5.6 1.1 0.0 0.0 0.0 0.0 0.0 30.9
ID 94 4 1 0 0 0 0 0 100
ABS. 53 24 13 0 0 0 0 0 90 37 13 0 0 0 0 0 143
REL 58.8 26.6 14.4 0.0 0.0 0.0 0.0 0.0100.0 41.1 14.4 0.0 0.0 0.0 0.0 0.015.11
ID 58 26 14 0 0 0 0 0 100
Year
ABS. 291 47 21 1 0 0 0 0 360 69 22 1 0 0 0 0 169
REL. 80.8 13.0 5.8 0.2 0.0 0.0 0.0 0.0100.0 19.2 6.1 0.3 0.0 0.0 0.0 0.0 5.1
ID 80 13 5 0 0 0 0 100

Note:

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