Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
Pollutant:NO-nitrogen monoxide
Station: 775 - Pha5-Mlynarka
Code:CZ05CMMLY
Institution:Czech Hydrometeorological Institute
Region:Hlavni mesto Praha
District:Praha 5
IHd: 150
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 23 13 15 17 103 118 96 21 ~ 20 79 67 16 24 37 15 9 15 17 8.74 12 11 26 46 33 17 18 11 1.19 11 7.01 30.27 117.68 30.00
2 46 14 17 12 9 86 29 5.61 7.17 30 60 28 3.99 25 25 15 17 17 16 14 56 29 44 18 11 48 56 22 40 ~ ~ 27.61 86.42 29.00
3 17 13 5.53 5.08 4.91 13 8.58 6.21 7.54 33 8.16 20 52 11 9 21 18 23 17 39 21 80 91 57 45 20 24 24 16 18 12 23.88 90.91 31.00
4 23 45 33 54 21 10 15 27 15 25 37 21 6.28 40 15 48 21 51 26 55 45 22 13 8.99 31 43 17 7.76 16 14 ~ 26.83 54.95 30.00
5 17 22 34 39 26 12 11 17 33 38 26 7.29 13 32 33 35 18 16 14 6.17 15 14 32 34 10 12 5.86 6.64 11 18 29 20.52 39.48 31.00
6 28 18 10 22 14 16 16 20 14 7.38 7.07 19 11 14 15 13 12 18 22 21 23 11 13 5.73 10 18 22 21 19 19 ~ 16.02 27.67 30.00
7 15 18 ~ 7.88 3.90 15 11 10 7.00 13 19 24 12 14 12 13 23 26 15 21 25 11 23 23 27 15 22 14 8.43 21 45 17.14 45.34 30.00
8 49 13 14 18 13 23 33 35 56 35 21 16 39 48 29 27 29 31 16 18 12 29 33 24 21 10 33 34 44 35 29 27.91 56.22 31.00
9 25 4.62 4.71 15 30 19 38 29 35 41 70 79 26 24 19 6.95 16 ~ 23 19 22 60 20 42 56 53 50 26 27 31 ~ 31.35 78.73 29.00
10 19 62 46 70 37 23 18 21 37 21 62 57 120 68 32 71 54 28 79 35 36 60 26 55 17 8.05 8.39 47 16 16 26 41.09 120.25 31.00
11 19 3.86 76 11 68 28 101 109 111 71 81 57 72 55 93 115 21 59 118 59 66 144 169 56 34 12 44 58 69 36 ~ 67.17 169.02 30.00
12 35 33 65 70 29 23 32 105 127 51 41 ~ ~ ~ 11 4.74 26 51 66 111 29 76 59 61 23 52 26 37 130 16 36 50.88 130.47 28.00

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. 77 11 2 0 0 0 0 0 90 13 2 0 0 0 0 0 118
REL. 85.5 12.2 2.2 0.0 0.0 0.0 0.0 0.0 100.0 14.4 2.2 0.0 0.0 0.0 0.0 0.06.1
ID 85 12 2 0 0 0 0 0 100
ABS. 88 3 0 0 0 0 0 0 91 3 0 0 0 0 0 0 55
REL. 96.7 3.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 3.3 0.0 0.0 0.0 0.0 0.0 0.0 20.4
ID 96 3 0 0 0 0 0 0 100
ABS. 84 6 0 0 0 0 0 0 90 6 0 0 0 0 0 0 79
REL. 93.3 6.6 0.0 0.0 0.0 0.0 0.0 0.0100.0 6.7 0.0 0.0 0.0 0.0 0.0 0.0 12.9
ID 93 6 0 0 0 0 0 0 100
ABS. 44 33 11 1 0 0 0 0 89 45 12 1 0 0 0 0 169
REL 49.4 37.0 12.3 1.1 0.0 0.0 0.0 0.0100.0 50.6 13.5 1.1 0.0 0.0 0.0 0.023.11
ID 49 37 12 2 0 0 0 0 101
Year
ABS. 293 53 13 1 0 0 0 0 360 67 14 1 0 0 0 0 169
REL. 81.3 14.7 3.6 0.2 0.0 0.0 0.0 0.0100.0 18.6 3.9 0.3 0.0 0.0 0.0 0.023.11
ID 81 14 3 0 0 0 0 100

Note:

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