Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1009 - Vsechlapy
Code:CZTPCMVSE
Institution:Czech Hydrometeorological Institute
Region:Severocesky
District:Teplice
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 21 32 35 45 50 138 41 34 19 16 27 27 51 26 23 43 43 102 61 99 97 70 69 79 59 27 64 37 21 21 31 48.60 137.82 31.00
2 70 45 36 22 7.80 8.59 16 26 76 91 57 34 29 36 71 30 11 20 61 39 24 16 14 17 21 99 72 39 ~ ~ ~ 38.92 98.52 28.00
3 20 52 31 44 49 24 33 35 71 47 16 38 50 52 21 21 37 48 27 12 21 24 21 46 57 54 20 17 23 39 38 35.15 71.00 31.00
4 30 31 25 21 21 27 15 15 26 23 15 18 19 24 20 25 9 19 28 34 49 33 33 26 24 25 23 20 24 26 ~ 24.27 48.91 30.00
5 24 18 26 13 10 17 19 29 25 25 20 22 17 16 7.35 15 15 12 15 25 30 16 ~ 33 22 21 22 25 19 22 16 19.83 32.69 30.00
6 21 30 19 16 15 16 32 20 19 15 ~ ~ ~ 14 15 15 13 12 11 13 6.34 7.12 13 24 16 16 17 16 18 21 ~ 16.70 32.19 27.00
7 13 15 23 15 14 13 13 18 15 9 9 15 20 13 12 12 17 18 19 23 15 12 10 10 17 15 13 11 12 13 12 14.25 22.56 31.00
8 13 17 19 16 29 16 20 18 22 20 13 15 17 20 11 17 19 20 17 12 7.15 8.90 22 23 20 20 25 ~ ~ 18 30 18.05 30.28 29.00
9 11 14 20 17 12 18 ~ ~ 28 20 14 18 23 29 36 32 26 18 12 13 28 33 ~ 23 35 18 23 25 19 17 ~ 21.56 35.82 27.00
10 14 14 15 20 24 13 ~ 28 12 11 13 18 36 15 30 24 24 33 28 20 18 22 25 30 50 23 17 30 28 38 21 23.14 50.18 30.00
11 60 68 30 45 68 29 29 57 42 26 25 38 29 23 55 35 50 32 38 47 39 45 63 93 174 104 105 90 63 83 ~ 56.16 174.36 30.00
12 28 16 24 ~ ~ ~ 20 19 39 31 33 9 14 24 14 18 24 14 13 11 29 64 69 21 28 24 26 24 23 18 49 25.95 69.23 28.00

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. 41 35 12 2 0 0 0 0 90 49 14 2 0 0 0 0 138
REL. 45.5 38.8 13.3 2.2 0.0 0.0 0.0 0.0 100.0 54.4 15.6 2.2 0.0 0.0 0.0 0.06.1
ID 45 38 13 4 0 0 0 0 102
ABS. 85 2 0 0 0 0 0 0 87 2 0 0 0 0 0 0 49
REL. 97.7 2.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 2.3 0.0 0.0 0.0 0.0 0.0 0.0 21.4
ID 97 2 0 0 0 0 0 0 100
ABS. 85 2 0 0 0 0 0 0 87 2 0 0 0 0 0 0 36
REL. 97.7 2.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 2.3 0.0 0.0 0.0 0.0 0.0 0.0 15.9
ID 97 2 0 0 0 0 0 0 100
ABS. 59 20 6 2 1 0 0 0 88 29 9 3 1 0 0 0 174
REL 67.0 22.7 6.8 2.2 1.1 0.0 0.0 0.0100.0 33.0 10.2 3.4 1.1 0.0 0.0 0.025.11
ID 67 22 6 4 5 0 0 0 106
Year
ABS. 270 59 18 4 1 0 0 0 352 82 23 5 1 0 0 0 174
REL. 76.7 16.7 5.1 1.1 0.2 0.0 0.0 0.0100.0 23.3 6.5 1.4 0.3 0.0 0.0 0.025.11
ID 76 16 5 2 1 0 0 0 102

Note:

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