Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1009 - Vsechlapy
Code:CZTPCMVSE
Institution:Czech Hydrometeorological Institute
Region:Ustecky
District:Teplice
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 11 14 27 96 117 70 36 60 92 115 124 99 59 61 34 47 51 66 60 13 22 28 32 26 21 9 9 14 14 23 30 47.80 123.68 31.00
2 35 39 59 61 85 60 25 17 13 12 13 7.67 15 13 34 18 40 41 17 18 12 26 10 11 66 22 16 17 ~ ~ ~ 28.65 84.88 28.00
3 17 16 12 40 58 41 9 20 37 16 46 64 65 15 24 31 26 61 22 15 15 8.06 7.67 15 16 15 26 29 45 35 30 28.26 65.11 31.00
4 26 24 15 18 17 11 18 20 21 15 15 14 16 15 ~ 26 33 45 26 18 20 28 19 19 24 19 14 19 19 19 ~ 20.31 44.66 29.00
5 21 15 18 15 17 22 12 12 12 16 16 14 18 15 11 18 17 12 7.79 14 12 11 13 13 14 ~ 15 13 7.58 11 14 14.28 22.37 30.00
6 7.15 12 11 16 8.36 10 15 8.57 10 13 10 13 11 10 20 ~ 18 ~ ~ ~ 16 12 8.96 14 11 17 14 7.06 5.98 12 ~ 11.99 20.37 26.00
7 16 15 14 11 12 14 11 18 14 11 13 15 10 14 ~ 15 19 12 15 11 14 10 13 11 11 22 21 13 17 18 19 14.31 21.58 30.00
8 29 11 19 14 14 21 10 16 17 13 14 12 5.88 10 15 16 ~ ~ 11 16 14 15 19 14 13 13 11 17 23 24 ~ 15.15 28.83 28.00
9 ~ ~ ~ 23 25 28 29 20 27 35 31 48 33 19 16 18 14 14 25 26 17 18 19 29 34 22 8.96 21 29 34 ~ 24.62 48.45 27.00
10 26 38 37 12 12 9 11 15 16 17 18 19 23 61 ~ 48 21 19 17 22 56 86 33 31 58 15 13 14 27 30 30 27.78 86.04 30.00
11 49 24 20 32 23 50 51 34 18 35 47 46 84 42 103 122 26 109 34 42 42 56 40 32 76 82 36 26 31 33 ~ 48.23 122.02 30.00
12 27 42 45 55 40 39 32 21 37 40 54 42 81 48 41 103 78 27 113 98 117 47 39 26 29 30 36 43 58 37 22 50.01 117.32 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- 33 34- 67 68- 100 101- 150 151- 200 201- 300 301- 400 over 400 33 67 100 150 200 300 400
ABS. 54 28 5 3 0 0 0 0 90 36 8 3 0 0 0 0 124
REL. 60.0 31.1 5.5 3.3 0.0 0.0 0.0 0.0 100.0 40.0 8.9 3.3 0.0 0.0 0.0 0.011.1
ID 60 31 5 6 0 0 0 0 103
ABS. 84 1 0 0 0 0 0 0 85 1 0 0 0 0 0 0 45
REL. 98.8 1.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 1.2 0.0 0.0 0.0 0.0 0.0 0.0 18.4
ID 98 1 0 0 0 0 0 0 100
ABS. 81 4 0 0 0 0 0 0 85 4 0 0 0 0 0 0 48
REL. 95.2 4.7 0.0 0.0 0.0 0.0 0.0 0.0100.0 4.7 0.0 0.0 0.0 0.0 0.0 0.0 12.9
ID 95 4 0 0 0 0 0 0 100
ABS. 40 38 7 6 0 0 0 0 91 51 13 6 0 0 0 0 122
REL 43.9 41.7 7.6 6.5 0.0 0.0 0.0 0.0100.0 56.0 14.3 6.6 0.0 0.0 0.0 0.016.11
ID 43 41 7 13 0 0 0 0 106
Year
ABS. 259 71 12 9 0 0 0 0 351 92 21 9 0 0 0 0 124
REL. 73.7 20.2 3.4 2.5 0.0 0.0 0.0 0.0100.0 26.2 6.0 2.6 0.0 0.0 0.0 0.0 11.1
ID 73 20 3 5 0 0 0 0 102

Note:

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