Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NO-nitrogen monoxide
Station:1014 - Decin
Code:CZDCCMDEC
Institution:Czech Hydrometeorological Institute
Region:Ustecky
District:Decin
IHd: 150
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 6.10 5.70 9 26 69 47 49 36 39 32 22 23 23 15 11 10 17 18 50 34 32 36 29 25 31 15 18 30 38 39 61 28.96 68.66 31.00
2 55 58 31 47 95 17 39 24 19 11 16 8.88 24 12 27 19 26 27 16 12 11 15 9 7.17 48 29 31 24 ~ ~ ~ 27.04 94.93 28.00
3 26 9 12 25 30 27 6.43 19 27 17 31 35 32 4.72 8.34 8.13 4.07 35 17 19 29 11 5.74 2.50 5.78 7.34 13 17 21 19 11 17.22 35.16 31.00
4 10 12 13 8.93 5.88 4.98 6.51 13 12 10 5.83 3.77 10 10 24 18 27 26 18 10 6.94 10 15 15 21 16 12 15 19 21 ~ 13.36 26.98 30.00
5 15 11 11 7.55 12 11 6.89 4.52 6.34 7.27 8.81 8.12 11 13 10 10 7.77 2.82 4.83 4.63 5.36 3.58 3.38 12 4.73 6.24 4.37 10 6.37 7.30 8.45 7.91 14.56 31.00
6 9 7.80 8.97 11 4.98 4.12 9 5.52 9 9 11 8.37 9 12 11 5.60 8.73 10 7.08 6.31 5.98 5.72 4.39 5.18 6.53 7.00 7.31 8.59 7.69 6.61 ~ 7.79 11.63 30.00
7 10 12 4.69 13 6.60 5.47 2.80 11 6.64 7.47 9 5.78 2.88 1.36 2.23 2.51 7.95 6.81 4.44 4.98 3.42 10 11 11 14 16 6.57 5.23 4.44 4.70 3.96 7.03 15.97 31.00
8 5.29 4.68 3.48 3.02 4.79 6.20 4.85 5.35 5.63 4.89 1.94 6.23 7.04 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 7.73 7.99 5.59 4.35 2.78 5.10 7.99 18.00
9 5.45 8.42 6.68 7.48 8.52 10 8.26 6.60 10 13 10 7.49 10 8.06 16 18 22 19 11 17 8.01 6.38 3.53 1.83 8.41 16 6.61 8.45 14 20 ~ 10.50 21.73 30.00
10 19 25 46 23 7.16 6.73 7.86 12 4.82 5.48 2.47 2.90 4.29 62 26 72 21 29 12 18 35 89 21 37 18 5.90 9 5.16 23 44 22 23.21 89.11 31.00
11 31 18 3.13 13 6.54 21 ~ 61 10 26 43 75 68 53 86 102 30 102 23 17 12 89 46 7.75 48 115 53 10 29 30 ~ 42.35 115.09 29.00
12 14 19 31 22 9 6.18 8.71 12 ~ 47 65 13 13 20 7.13 29 34 30 47 34 61 25 10 2.16 2.63 3.09 6.55 13 68 71 3.74 24.25 70.67 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. 85 5 0 0 0 0 0 0 90 5 0 0 0 0 0 0 95
REL. 94.4 5.5 0.0 0.0 0.0 0.0 0.0 0.0 100.0 5.6 0.0 0.0 0.0 0.0 0.0 0.05.2
ID 94 5 0 0 0 0 0 0 100
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 27
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 17.4
ID 100 0 0 0 0 0 0 0 100
ABS. 79 0 0 0 0 0 0 0 79 0 0 0 0 0 0 0 22
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 17.9
ID 100 0 0 0 0 0 0 0 100
ABS. 73 14 3 0 0 0 0 0 90 17 3 0 0 0 0 0 115
REL 81.1 15.5 3.3 0.0 0.0 0.0 0.0 0.0100.0 18.9 3.3 0.0 0.0 0.0 0.0 0.026.11
ID 81 15 3 0 0 0 0 0 100
Year
ABS. 328 19 3 0 0 0 0 0 350 22 3 0 0 0 0 0 115
REL. 93.7 5.4 0.8 0.0 0.0 0.0 0.0 0.0100.0 6.3 0.9 0.0 0.0 0.0 0.0 0.026.11
ID 93 5 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