Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NO-nitrogen monoxide
Station: 805 - Pha10-Vrsovice
Code:CZ10CMVRS
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 10
IHd: 150
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 23 36 5.97 6.57 12 13 27 11 17 114 59 43 34 71 118 53 10 36 26 20 3.47 15 9 18 26 129 114 45 66 27 6.51 38.48 129.16 31.00
2 23 41 24 94 92 55 18 12 44 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 67 53 24 25 41 59 48 19 6.53 ~ ~ ~ 41.25 94.42 18.00
3 7.86 14 16 13 8.52 13 6.78 5.46 6.80 22 31 19 3.33 1.16 12 14 13 17 5.57 3.28 2.38 8.45 19 6.58 32 33 22 25 20 40 29 15.15 40.24 31.00
4 25 26 23 8.44 12 23 ~ 11 21 10 20 1.65 11 12 19 29 14 3.43 8.10 13 16 19 19 9 4.18 5.26 8.40 11 11 11 ~ 13.98 28.52 29.00
5 7.17 8.73 9 8.37 ~ 23 27 7.62 5.69 14 19 25 12 11 11 6.08 7.62 14 7.23 10 16 8.68 8.11 10 15 16 18 12 10 14 25 12.83 27.43 30.00
6 25 19 19 16 12 7.03 13 34 23 17 19 9 ~ 11 ~ ~ ~ 19 19 12 13 14 15 20 17 12 14 20 20 14 ~ 16.63 33.64 26.00
7 16 15 12 12 12 14 26 16 16 14 10 17 16 19 18 18 15 12 17 25 15 31 26 27 20 22 21 25 26 23 21 18.65 30.89 31.00
8 12 6.13 20 13 12 18 13 9 11 18 11 11 17 14 9 7.57 13 9 9 14 13 11 13 17 18 17 14 17 12 12 27 13.51 26.82 31.00
9 37 24 22 28 18 30 44 44 26 25 48 27 26 18 28 33 32 21 27 36 31 51 41 49 60 36 62 46 54 37 ~ 35.35 61.67 30.00
10 28 ~ ~ ~ ~ 19 38 51 59 17 20 35 21 35 57 78 25 32 49 29 37 49 41 33 23 21 14 12 24 12 8.88 32.20 78.48 27.00
11 6.59 30 ~ ~ 20 20 53 34 63 63 17 47 53 26 20 37 26 28 34 8.92 10 32 98 95 50 67 76 81 33 37 ~ 41.55 97.57 28.00
12 25 38 58 42 17 10 14 19 65 81 85 81 7.46 44 105 22 122 104 14 20 39 55 72 38 13 8.50 7.54 29 60 44 18 43.76 122.13 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. 66 10 4 0 0 0 0 0 80 14 4 0 0 0 0 0 129
REL. 82.5 12.5 5.0 0.0 0.0 0.0 0.0 0.0 100.0 17.5 5.0 0.0 0.0 0.0 0.0 0.026.1
ID 82 12 5 0 0 0 0 0 100
ABS. 85 0 0 0 0 0 0 0 85 0 0 0 0 0 0 0 34
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 8.6
ID 100 0 0 0 0 0 0 0 100
ABS. 88 4 0 0 0 0 0 0 92 4 0 0 0 0 0 0 62
REL. 95.6 4.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 4.3 0.0 0.0 0.0 0.0 0.0 0.0 27.9
ID 95 4 0 0 0 0 0 0 100
ABS. 62 21 3 0 0 0 0 0 86 24 3 0 0 0 0 0 122
REL 72.0 24.4 3.4 0.0 0.0 0.0 0.0 0.0100.0 27.9 3.5 0.0 0.0 0.0 0.0 0.017.12
ID 72 24 3 0 0 0 0 0 100
Year
ABS. 301 35 7 0 0 0 0 0 343 42 7 0 0 0 0 0 129
REL. 87.7 10.2 2.0 0.0 0.0 0.0 0.0 0.0100.0 12.2 2.0 0.0 0.0 0.0 0.0 0.0 26.1
ID 87 10 2 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