Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NO-nitrogen monoxide
Station:1300 - Pha8-Lyckovo nam.
Code:CZ08CMLYC
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 8
IHd: 150
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 19 26 1.45 2.13 3.17 3.77 7.72 3.21 3.45 90 45 25 16 49 121 21 2.77 12 9 6.65 5.55 12 8.17 8.64 11 89 60 21 36 10 14 24.03 121.41 31.00
2 15 17 10 48 82 35 8.65 6.14 15 25 14 4.41 4.01 3.15 2.48 3.83 5.12 20 20 18 28 25 23 16 51 21 5.24 1.50 ~ ~ ~ 18.82 81.88 28.00
3 2.23 4.84 2.88 2.37 2.83 3.38 1.64 2.17 5.05 18 11 7.99 4.20 2.56 5.86 10 8.51 7.55 4.03 3.80 3.38 5.45 6.35 7.34 12 15 6.25 15 6.61 19 37 7.89 37.40 31.00
4 36 9 9 5.28 7.94 7.47 4.24 7.83 6.81 4.25 10 2.56 12 6.88 8.76 22 5.52 3.40 3.96 13 13 12 8.74 6.03 4.52 2.86 2.62 3.16 3.07 2.76 ~ 8.14 36.20 30.00
5 2.27 1.86 2.34 3.64 3.91 3.53 37 7.15 3.49 6.18 6.27 12 4.24 3.85 3.97 3.20 3.35 4.73 5.40 5.24 6.19 3.85 2.61 2.42 3.62 4.35 4.88 2.57 2.47 2.70 3.64 5.26 36.78 31.00
6 6.22 4.46 7.33 4.83 5.19 2.36 2.13 6.26 8.73 3.35 3.57 2.93 2.54 7.46 4.20 2.61 3.77 4.86 4.43 8.92 9 3.63 3.06 4.59 5.18 3.31 2.14 2.61 4.52 2.70 ~ 4.57 9.31 30.00
7 3.31 8.53 4.02 2.06 2.09 3.17 4.83 4.42 4.20 4.65 2.02 2.74 3.02 4.51 3.94 4.90 3.07 2.15 13 13 4.18 4.86 3.80 3.51 2.64 3.19 3.39 2.95 3.20 10 12 4.74 12.86 31.00
8 4.58 5.14 20 10 10 8.89 6.49 7.76 9 13 10 10 17 15 7.61 4.49 11 ~ ~ 9 3.00 2.09 0.83 0.94 1.28 1.87 1.23 1.01 0.69 2.39 12 7.11 19.55 29.00
9 13 4.51 2.78 11 4.71 13 15 ~ 8.41 8.99 14 6.38 5.01 1.65 2.05 2.24 4.84 6.24 8.88 6.08 9 12 13 14 42 12 52 22 49 ~ ~ 13.02 52.14 28.00
10 6.02 7.72 7.06 ~ ~ ~ ~ ~ 36 1.31 0.66 ~ 8.99 ~ ~ 34 7.50 15 26 10 9 6.49 8.38 3.07 0.18 3.70 2.01 0.10 0.73 1.05 0.49 8.48 35.82 23.00
11 0.35 6.80 2.48 2.68 3.68 4.65 38 17 37 30 4.00 18 17 5.72 5.47 14 9 6.00 15 6.49 5.12 12 58 97 20 34 57 56 12 29 ~ 20.79 97.26 30.00
12 7.95 27 30 14 5.78 4.39 6.39 8.56 43 64 57 65 11 23 62 15 64 105 11 10 18 21 40 13 8.84 8.27 10 24 34 15 7.93 26.92 105.27 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. 84 5 1 0 0 0 0 0 90 6 1 0 0 0 0 0 121
REL. 93.3 5.5 1.1 0.0 0.0 0.0 0.0 0.0 100.0 6.7 1.1 0.0 0.0 0.0 0.0 0.015.1
ID 93 5 1 0 0 0 0 0 100
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 37
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7.5
ID 100 0 0 0 0 0 0 0 100
ABS. 87 1 0 0 0 0 0 0 88 1 0 0 0 0 0 0 52
REL. 98.8 1.1 0.0 0.0 0.0 0.0 0.0 0.0100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 27.9
ID 98 1 0 0 0 0 0 0 100
ABS. 74 9 1 0 0 0 0 0 84 10 1 0 0 0 0 0 105
REL 88.0 10.7 1.1 0.0 0.0 0.0 0.0 0.0100.0 11.9 1.2 0.0 0.0 0.0 0.0 0.018.12
ID 88 10 1 0 0 0 0 0 100
Year
ABS. 336 15 2 0 0 0 0 0 353 17 2 0 0 0 0 0 121
REL. 95.1 4.2 0.5 0.0 0.0 0.0 0.0 0.0100.0 4.8 0.6 0.0 0.0 0.0 0.0 0.0 15.1
ID 95 4 0 0 0 0 0 100

Note:

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