Detailed overview of ambient air pollution valuis from individual stations

488 - Cheb-zubni odd.

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 488 - Cheb-zubni odd.
Code:CZCHHSCHZ
Institution:Public Health Service
Region:Zapadocesky
District:Cheb
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 161 42 32 33 32 48 47 35 33 38 35 30 66 81 108 119 106 38 189 85 35 32 48 26 34 33 71 32 28 26 15 56.06 189.00 31.00
2 49 47 32 31 36 29 32 46 50 39 29 21 12 8.00 8.00 24 25 21 31 19 16 22 31 25 11 13 16 19 ~ ~ ~ 26.50 50.00 28.00
3 25 19 20 31 26 37 ~ 6.00 70 40 48 73 32 13 15 8.00 27 27 25 17 23 18 26 28 52 ~ ~ 30 17 28 14 28.39 73.00 28.00
4 32 32 21 11 12 9.00 12 31 36 4.00 20 13 19 14 13 19 21 20 12 38 21 23 23 25 25 21 20 19 7.00 21 ~ 19.80 38.00 30.00
5 22 34 27 35 17 5.00 4.00 8.00 4.00 7.00 15 8.00 12 12 34 44 34 22 10 9.00 8.00 9.00 12 13 19 26 16 16 20 5.00 18 16.94 44.00 31.00
6 37 23 22 27 26 20 18 20 27 25 25 13 19 9.00 15 5.00 19 29 24 10 24 39 15 10 14 4.00 15 11 15 7.00 ~ 18.90 39.00 30.00
7 9.00 15 8.00 11 9.00 8.00 7.00 8.00 5.00 15 9.00 10 15 18 12 16 17 16 12 8.00 8.00 19 23 35 18 17 11 48 19 110 21 17.97 110.00 31.00
8 4.00 4.00 64 38 29 27 26 21 20 6.00 45 13 8.00 70 7.00 46 40 37 4.00 42 65 41 40 39 31 35 32 39 37 4.00 24 30.26 70.00 31.00
9 41 32 31 18 4.00 4.00 52 20 12 12 28 29 17 20 23 39 34 44 30 39 34 19 7.00 14 31 10 35 37 38 28 ~ 26.07 52.00 30.00
10 30 21 18 25 37 51 44 37 34 17 14 9.00 26 6.00 23 4.00 22 7.00 22 35 39 44 37 16 50 ~ 38 41 68 58 58 31.03 68.00 30.00
11 46 46 18 13 53 69 19 79 35 60 51 48 41 46 28 36 29 33 31 35 6.00 51 50 35 35 32 37 42 41 42 ~ 39.57 79.00 30.00
12 38 48 ~ ~ 71 26 27 33 49 ~ 24 30 ~ ~ 39 86 ~ 23 8.00 60 ~ 61 56 39 45 5.00 22 29 ~ 31 ~ 38.64 86.00 22.00

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. 56 21 5 3 2 0 0 0 87 31 10 5 2 0 0 0 189
REL. 64.3 24.1 5.7 3.4 2.2 0.0 0.0 0.0 100.0 35.6 11.5 5.7 2.3 0.0 0.0 0.019.1
ID 64 24 5 6 11 0 0 0 112
ABS. 82 9 0 0 0 0 0 0 91 9 0 0 0 0 0 0 44
REL. 90.1 9.8 0.0 0.0 0.0 0.0 0.0 0.0 100.0 9.9 0.0 0.0 0.0 0.0 0.0 0.0 16.5
ID 90 9 0 0 0 0 0 0 100
ABS. 64 26 1 1 0 0 0 0 92 28 2 1 0 0 0 0 110
REL. 69.5 28.2 1.0 1.0 0.0 0.0 0.0 0.0100.0 30.4 2.2 1.1 0.0 0.0 0.0 0.0 30.7
ID 69 28 1 2 0 0 0 0 101
ABS. 35 42 5 0 0 0 0 0 82 47 5 0 0 0 0 0 86
REL 42.6 51.2 6.0 0.0 0.0 0.0 0.0 0.0100.0 57.3 6.1 0.0 0.0 0.0 0.0 0.016.12
ID 42 51 6 0 0 0 0 0 100
Year
ABS. 237 98 11 4 2 0 0 0 352 115 17 6 2 0 0 0 189
REL. 67.3 27.8 3.1 1.1 0.5 0.0 0.0 0.0100.0 32.7 4.8 1.7 0.6 0.0 0.0 0.0 19.1
ID 67 27 3 2 2 0 0 0 103

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