Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1002 - Tusimice
Code:CZCVCMTUS
Institution:CHMI
Region:Severocesky
District:Chomutov
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 53 38 10 11 12 16 19 13 15 40 45 135 118 86 63 68 13 24 22 18 15 23 24 24 40 79 85 59 43 42 19 41.00 135.38 31.00
2 36 49 30 52 61 75 44 19 44 54 37 21 17 18 17 17 15 32 38 42 67 54 24 30 25 23 18 8.90 ~ ~ ~ 34.57 74.51 28.00
3 11 15 14 11 9 16 10 8.26 17 21 31 25 15 15 14 17 21 15 19 15 12 12 21 21 36 31 27 26 28 40 48 20.07 48.48 31.00
4 30 20 21 11 14 20 19 23 24 19 13 13 13 24 27 26 21 16 18 26 24 25 24 19 18 14 18 20 14 14 ~ 19.60 29.67 30.00
5 13 13 15 18 17 19 18 18 20 23 28 28 30 20 19 14 16 17 13 18 17 16 13 14 17 24 22 23 15 14 18 18.36 29.87 31.00
6 15 18 18 22 21 18 20 21 18 19 24 16 15 16 15 13 16 14 13 17 15 17 17 18 17 19 16 12 15 18 ~ 16.98 23.76 30.00
7 17 17 18 9 8.47 11 14 9 14 13 8.69 12 12 13 17 15 13 11 16 22 15 25 17 26 18 20 ~ 15 13 15 14 14.98 26.25 30.00
8 15 13 19 15 19 15 19 14 20 24 22 18 24 21 18 20 18 20 27 22 15 10 12 12 14 22 13 12 11 15 20 17.48 27.49 31.00
9 30 21 17 18 15 17 20 24 24 20 17 11 12 13 15 16 18 17 24 25 31 35 46 38 37 49 40 28 41 34 ~ 25.10 49.17 30.00
10 26 43 24 20 33 34 37 29 36 12 13 14 17 22 30 27 19 24 42 25 36 32 30 14 10 14 15 10 13 11 15 23.50 42.67 31.00
11 14 27 20 15 20 19 27 45 49 45 21 36 42 30 22 26 25 28 34 16 28 47 73 102 59 72 90 79 31 58 ~ 40.08 102.50 30.00
12 30 50 34 39 13 8.15 16 25 63 112 47 58 14 32 31 19 54 70 17 14 12 34 30 30 12 9 16 26 41 25 13 32.07 111.82 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. 59 23 6 2 0 0 0 0 90 31 8 2 0 0 0 0 135
REL. 65.5 25.5 6.6 2.2 0.0 0.0 0.0 0.0 100.0 34.4 8.9 2.2 0.0 0.0 0.0 0.012.1
ID 65 25 6 4 0 0 0 0 102
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 30
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 13.5
ID 100 0 0 0 0 0 0 0 100
ABS. 83 8 0 0 0 0 0 0 91 8 0 0 0 0 0 0 49
REL. 91.2 8.7 0.0 0.0 0.0 0.0 0.0 0.0100.0 8.8 0.0 0.0 0.0 0.0 0.0 0.0 26.9
ID 91 8 0 0 0 0 0 0 100
ABS. 61 24 5 2 0 0 0 0 92 31 7 2 0 0 0 0 112
REL 66.3 26.0 5.4 2.1 0.0 0.0 0.0 0.0100.0 33.7 7.6 2.2 0.0 0.0 0.0 0.010.12
ID 66 26 5 4 0 0 0 0 102
Year
ABS. 294 55 11 4 0 0 0 0 364 70 15 4 0 0 0 0 135
REL. 80.7 15.1 3.0 1.0 0.0 0.0 0.0 0.0100.0 19.2 4.1 1.1 0.0 0.0 0.0 0.0 12.1
ID 80 15 3 2 0 0 0 0 101

Note:

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