Detailed overview of ambient air pollution valuis from individual stations


Year: 2001
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 56 47 76 69 107 55 64 82 36 62 41 31 29 59 64 50 20 35 36 31 23 23 36 38 55 47 19 32 40 45 ~ 46.91 106.63 30.00
2 18 22 32 61 46 38 68 76 46 19 47 80 16 36 69 88 21 12 11 6.43 11 6.23 10 17 46 55 47 27 ~ ~ ~ 36.84 88.10 28.00
3 44 46 26 37 16 32 34 25 56 19 14 21 13 13 29 74 22 37 9 12 25 41 33 29 19 13 14 20 22 29 23 27.31 73.55 31.00
4 30 34 32 27 15 28 23 15 19 39 29 7.30 6.09 11 18 11 12 15 20 22 16 8.11 18 36 22 18 22 ~ ~ ~ ~ 20.53 38.88 27.00
5 ~ 14 17 21 ~ ~ ~ ~ ~ 15 20 15 17 20 28 14 23 13 12 17 16 14 16 23 14 20 11 18 12 12 15 16.68 28.12 25.00
6 10 12 6.47 7.05 14 34 15 18 14 9 10 16 22 20 27 15 18 8.43 8.76 10 19 7.55 6.57 9 14 15 24 15 11 13 ~ 14.35 34.36 30.00
7 7.24 12 11 13 11 8.74 12 ~ 10 16 17 13 20 27 10 10 10 18 23 19 8.16 19 16 28 12 14 19 16 22 13 14 14.94 28.00 30.00
8 13 16 32 17 12 17 16 22 19 15 10 15 42 29 16 22 16 11 23 15 19 17 15 33 21 29 12 4.19 11 14 51 19.52 50.57 31.00
9 15 8.66 19 15 10 10 11 5.50 9 13 14 14 18 17 21 11 18 16 16 16 16 20 16 18 13 26 33 19 26 18 ~ 16.06 32.88 30.00
10 21 23 23 19 38 34 26 62 27 22 16 33 51 55 40 113 53 37 37 24 19 19 34 45 61 36 27 19 16 25 30 34.99 113.07 31.00
11 6.28 13 26 31 18 37 18 15 6.91 29 47 65 33 50 49 32 51 31 22 28 38 18 7.53 18 57 82 82 43 37 29 ~ 33.98 82.25 30.00
12 25 46 37 59 105 56 24 16 49 65 49 18 23 60 52 8.23 11 23 27 ~ 28 19 17 19 13 12 13 16 17 11 7.74 30.77 104.79 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- 33 34- 67 68- 100 101- 150 151- 200 201- 300 301- 400 over 400 33 67 100 150 200 300 400
ABS. 45 34 9 1 0 0 0 0 89 44 10 1 0 0 0 0 107
REL. 50.5 38.2 10.1 1.1 0.0 0.0 0.0 0.0 100.0 49.4 11.2 1.1 0.0 0.0 0.0 0.05.1
ID 50 38 10 2 0 0 0 0 101
ABS. 78 4 0 0 0 0 0 0 82 4 0 0 0 0 0 0 39
REL. 95.1 4.8 0.0 0.0 0.0 0.0 0.0 0.0 100.0 4.9 0.0 0.0 0.0 0.0 0.0 0.0 10.4
ID 95 4 0 0 0 0 0 0 100
ABS. 89 2 0 0 0 0 0 0 91 2 0 0 0 0 0 0 51
REL. 97.8 2.1 0.0 0.0 0.0 0.0 0.0 0.0100.0 2.2 0.0 0.0 0.0 0.0 0.0 0.0 31.8
ID 97 2 0 0 0 0 0 0 100
ABS. 55 32 2 2 0 0 0 0 91 36 4 2 0 0 0 0 113
REL 60.4 35.1 2.1 2.1 0.0 0.0 0.0 0.0100.0 39.6 4.4 2.2 0.0 0.0 0.0 0.016.10
ID 60 35 2 4 0 0 0 0 102
Year
ABS. 267 72 11 3 0 0 0 0 353 86 14 3 0 0 0 0 113
REL. 75.6 20.3 3.1 0.8 0.0 0.0 0.0 0.0100.0 24.4 4.0 0.8 0.0 0.0 0.0 0.016.10
ID 75 20 3 1 0 0 0 0 100

Note:

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