Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:NO-nitrogen monoxide
Station: 805 - Pha10-Vrsovice
Code:CZ10CMVRS
Institution:Czech Hydrometeorological Institute
Region:Hlavni mesto Praha
District:Praha 10
IHd: 150
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 14 19 25 23 65 141 20 36 13 16 30 29 35 24 17 36 39 77 74 49 36 69 28 16 18 29 41 34 6.05 3.25 17 34.84 141.17 31.00
2 35 61 74 ~ ~ ~ ~ ~ 72 107 29 5.82 5.53 13 31 20 13 21 42 30 14 19 15 25 19 51 28 14 ~ ~ ~ 32.33 106.65 23.00
3 10 29 81 99 48 27 19 30 45 ~ 21 60 21 11 4.74 11 49 59 18 5.54 8.70 16 16 87 82 41 20 7.62 7.33 35 39 33.64 99.07 30.00
4 51 22 13 5.30 16 20 15 7.13 6.85 5.17 7.79 12 8.03 11 5.43 2.74 4.67 4.99 10 18 17 22 21 9 14 27 13 17 21 20 ~ 14.12 50.80 30.00
5 5.02 7.80 13 6.08 7.42 10 12 10 14 8.69 8.31 6.43 8.07 9 0.69 14 6.42 5.50 7.21 6.65 7.57 3.57 5.17 13 9 11 11 6.60 4.76 4.40 3.18 7.93 13.77 31.00
6 5.24 11 6.82 6.32 10 3.34 5.70 9 15 7.30 6.43 6.64 2.11 4.46 4.59 13 8.43 5.15 ~ 3.80 12 8.82 12 18 8.09 2.55 6.51 10 11 9 ~ 8.03 18.26 29.00
7 10 7.00 3.22 ~ ~ ~ ~ 6.02 1.84 0.50 2.88 9 8.03 6.26 9 5.13 1.96 6.88 4.87 5.62 4.86 5.08 3.86 1.61 8.96 3.81 3.14 5.25 7.23 8.72 3.49 5.34 9.72 27.00
8 11 10 13 8.32 10 ~ ~ ~ ~ 5.69 3.49 8.42 8.46 2.86 4.49 5.47 6.88 8.61 4.40 3.51 1.62 8.48 19 27 12 3.42 3.62 2.06 21 12 11 8.73 27.28 27.00
9 6.30 24 24 5.58 7.21 10 18 17 24 22 8.60 18 16 28 15 13 5.39 3.10 3.20 8.51 25 16 20 16 13 11 16 ~ 12 28 ~ 14.99 28.49 29.00
10 7.62 7.71 5.22 17 24 18 21 14 4.06 9 14 18 55 20 15 5.47 20 35 ~ 21 16 24 24 15 39 24 12 28 48 46 12 20.67 55.44 30.00
11 61 44 40 53 110 20 15 29 17 16 15 34 14 4.39 53 32 23 21 22 18 67 33 25 48 50 122 19 63 33 40 ~ 38.09 122.24 30.00
12 12 14 12 6.17 5.95 15 9 22 18 32 12 2.79 15 18 20 17 18 17 13 29 23 64 57 9 8.17 6.46 26 11 ~ 18 19 18.37 64.27 30.00

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. 68 14 2 0 0 0 0 0 84 16 2 0 0 0 0 0 141
REL. 80.9 16.6 2.3 0.0 0.0 0.0 0.0 0.0 100.0 19.0 2.4 0.0 0.0 0.0 0.0 0.06.1
ID 80 16 2 0 0 0 0 0 100
ABS. 89 1 0 0 0 0 0 0 90 1 0 0 0 0 0 0 51
REL. 98.8 1.1 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. 83 0 0 0 0 0 0 0 83 0 0 0 0 0 0 0 28
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14.9
ID 100 0 0 0 0 0 0 0 100
ABS. 80 8 2 0 0 0 0 0 90 10 2 0 0 0 0 0 122
REL 88.8 8.8 2.2 0.0 0.0 0.0 0.0 0.0100.0 11.1 2.2 0.0 0.0 0.0 0.0 0.026.11
ID 88 8 2 0 0 0 0 0 100
Year
ABS. 320 23 4 0 0 0 0 0 347 27 4 0 0 0 0 0 141
REL. 92.2 6.6 1.1 0.0 0.0 0.0 0.0 0.0100.0 7.8 1.2 0.0 0.0 0.0 0.0 0.0 6.1
ID 92 6 1 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