Detailed overview of ambient air pollution valuis from individual stations

262 - Kadan

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 262 - Kadan
Code:CZCVHSKAD
Institution:Public Health Service
Region:Severocesky
District:Chomutov
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 20 40 40 40 30 40 40 20 40 60 50 20 20 70 80 120 130 70 40 50 80 50 40 60 40 30 80 30 30 20 20 48.39 130.00 31.00
2 20 40 50 20 30 30 50 40 30 40 30 20 10 20 20 10 30 20 20 20 20 30 30 20 20 20 10 30 ~ ~ ~ 26.07 50.00 28.00
3 20 20 20 10 20 20 30 30 30 30 20 30 30 20 10 20 30 20 20 20 20 30 10 30 20 20 20 10 10 10 10 20.65 30.00 31.00
4 23 19 12 11 9.00 12 11 16 35 17 14 10 14 15 10 14 19 13 19 20 27 26 23 26 23 10 30 18 13 19 ~ 17.60 35.00 30.00
5 13 15 15 19 13 10 14 17 10 12 16 19 23 23 17 19 23 11 13 13 15 17 15 23 13 23 10 10 11 10 10 15.23 23.00 31.00
6 12 22 13 14 17 28 16 14 27 19 26 28 19 17 14 13 17 19 10 17 13 14 14 16 25 21 26 14 22 24 ~ 18.37 28.00 30.00
7 20 20 10 10 10 10 10 10 10 30 20 ~ ~ 20 30 10 20 30 10 10 20 10 20 20 10 10 10 20 10 30 10 15.86 30.00 29.00
8 30 20 20 20 30 30 30 20 10 20 20 40 20 20 20 10 20 80 20 10 30 30 30 20 40 20 30 30 20 20 20 25.16 80.00 31.00
9 30 30 30 40 20 20 10 20 10 10 30 20 20 20 30 30 30 20 40 30 30 40 30 30 30 20 20 20 20 20 ~ 25.00 40.00 30.00
10 19 12 6.00 18 18 38 22 32 20 10 18 15 12 13 6.00 20 16 17 36 23 28 31 30 17 5.00 11 23 16 36 49 21 20.58 49.00 31.00
11 38 26 24 26 37 25 45 32 9.00 42 38 10 5.00 6.00 33 31 36 10 21 20 36 38 22 8.00 34 24 23 29 30 20 ~ 25.93 45.00 30.00
12 18 29 23 ~ 18 33 31 26 32 30 21 15 16 11 15 27 11 23 36 23 10 27 41 25 25 17 13 6.00 16 23 20 22.03 41.00 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. 64 19 5 2 0 0 0 0 90 26 7 2 0 0 0 0 130
REL. 71.1 21.1 5.5 2.2 0.0 0.0 0.0 0.0 100.0 28.9 7.8 2.2 0.0 0.0 0.0 0.017.1
ID 71 21 5 4 0 0 0 0 102
ABS. 90 1 0 0 0 0 0 0 91 1 0 0 0 0 0 0 35
REL. 98.9 1.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 9.4
ID 98 1 0 0 0 0 0 0 100
ABS. 84 5 1 0 0 0 0 0 90 6 1 0 0 0 0 0 80
REL. 93.3 5.5 1.1 0.0 0.0 0.0 0.0 0.0100.0 6.7 1.1 0.0 0.0 0.0 0.0 0.0 18.8
ID 93 5 1 0 0 0 0 0 100
ABS. 76 15 0 0 0 0 0 0 91 15 0 0 0 0 0 0 49
REL 83.5 16.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 16.5 0.0 0.0 0.0 0.0 0.0 0.030.10
ID 83 16 0 0 0 0 0 0 100
Year
ABS. 314 40 6 2 0 0 0 0 362 48 8 2 0 0 0 0 130
REL. 86.7 11.0 1.6 0.5 0.0 0.0 0.0 0.0100.0 13.3 2.2 0.6 0.0 0.0 0.0 0.0 17.1
ID 86 11 1 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

Detailed overview of ambient air pollution valuis from individual stations - selection station