Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NO-nitrogen monoxide
Station: 805 - Pha10-Vrsovice
Code:CZ10CMVRS
Institution:Czech Hydrometeorological Institute
Region:Prague
District:Praha 10
IHd: 150
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 18 25 56 81 48 13 28 57 41 62 29 45 53 32 112 80 23 61 46 29 26 35 38 49 46 71 33 59 52 18 16 44.54 111.94 31.00
2 20 22 22 33 13 26 64 78 30 54 70 87 17 32 111 120 15 16 20 10 12 12 15 11 17 21 29 25 ~ ~ ~ 35.78 120.10 28.00
3 25 29 13 14 9 17 14 15 31 17 29 27 19 12 50 37 16 24 11 6.21 21 42 36 28 26 10 ~ 11 11 34 19 21.81 50.42 30.00
4 20 39 30 30 19 14 6.89 6.31 33 24 13 5.89 4.84 4.47 6.04 15 24 13 25 6.57 2.87 7.35 22 34 19 19 21 17 28 22 ~ 17.70 39.05 30.00
5 16 13 13 17 9 2.42 3.10 13 21 23 7.80 6.47 12 10 15 12 12 18 5.89 13 7.29 11 18 21 9 7.64 5.75 25 14 6.32 12 12.25 24.70 31.00
6 9 6.84 5.02 7.91 17 17 12 14 7.08 12 12 12 12 16 9 5.66 11 8.96 7.72 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 10.57 16.91 19.00
7 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 16 13 19 15 13 16 14 13 4.99 8.71 11 8.78 10 11 5.34 11.91 19.39 15.00
8 8.56 12 9 13 8.54 10 13 11 22 16 6.07 5.64 13 14 9 6.91 3.44 11 14 11 4.09 9 15 12 6.18 6.30 7.35 4.15 20 17 19 10.86 21.83 31.00
9 8.25 6.32 11 14 11 11 10 4.59 4.00 9 9 13 21 20 7.72 10 14 23 33 20 15 11 7.77 17 12 23 27 17 15 19 ~ 14.03 33.07 30.00
10 22 30 28 27 48 21 42 38 43 35 18 45 40 77 66 51 24 38 72 24 18 30 30 34 32 20 12 19 19 16 32 33.87 76.55 31.00
11 8.12 14 26 25 20 18 18 11 6.82 42 ~ 30 14 11 35 76 21 14 28 38 28 11 7.81 11 52 130 79 31 29 30 ~ 29.90 130.17 29.00
12 10 9 25 56 58 38 5.46 8.14 60 59 38 10 14 17 33 5.63 18 41 23 14 11 14 8.12 5.77 4.24 9 11 7.19 13 4.86 7.25 20.55 59.85 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. 70 16 3 0 0 0 0 0 89 19 3 0 0 0 0 0 120
REL. 78.6 17.9 3.3 0.0 0.0 0.0 0.0 0.0 100.0 21.3 3.4 0.0 0.0 0.0 0.0 0.016.2
ID 78 17 3 0 0 0 0 0 100
ABS. 80 0 0 0 0 0 0 0 80 0 0 0 0 0 0 0 39
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 2.4
ID 100 0 0 0 0 0 0 0 100
ABS. 76 0 0 0 0 0 0 0 76 0 0 0 0 0 0 0 33
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 19.9
ID 100 0 0 0 0 0 0 0 100
ABS. 79 11 1 0 0 0 0 0 91 12 1 0 0 0 0 0 130
REL 86.8 12.0 1.0 0.0 0.0 0.0 0.0 0.0100.0 13.2 1.1 0.0 0.0 0.0 0.0 0.026.11
ID 86 12 1 0 0 0 0 0 100
Year
ABS. 305 27 4 0 0 0 0 0 336 31 4 0 0 0 0 0 130
REL. 90.7 8.0 1.1 0.0 0.0 0.0 0.0 0.0100.0 9.2 1.2 0.0 0.0 0.0 0.0 0.026.11
ID 90 8 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