Detailed overview of ambient air pollution valuis from individual stations

486 - Cheb-ESKA

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 486 - Cheb-ESKA
Code:CZCHHSCHS
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 53 42 31 31 36 ~ 76 52 30 67 77 54 116 173 295 248 55 33 ~ 297 84 62 127 200 89 55 76 79 77 69 51 94.31 297.00 29.00
2 98 30 59 48 34 43 72 90 96 62 42 43 30 48 41 41 44 33 48 44 32 57 60 43 30 40 68 77 ~ ~ ~ 51.89 98.00 28.00
3 57 59 67 6.00 55 11 201 22 207 144 147 157 96 68 37 50 70 48 49 86 76 68 51 70 91 77 47 30 10 73 55 73.71 207.00 31.00
4 105 131 87 63 30 41 65 91 134 124 56 49 46 43 55 70 105 70 77 45 74 77 98 88 78 44 35 39 33 66 ~ 70.63 134.00 30.00
5 74 99 64 38 28 49 34 36 24 14 80 60 79 99 96 84 81 47 67 63 35 51 79 63 41 54 60 75 65 58 16 58.48 99.00 31.00
6 87 64 78 95 53 60 49 42 68 78 67 75 60 69 48 57 51 67 42 72 57 93 47 42 42 51 51 53 50 39 ~ 60.23 95.00 30.00
7 45 51 66 70 63 64 50 64 76 79 52 53 61 53 52 72 77 73 61 43 19 48 64 46 29 33 55 16 23 28 4.00 51.29 79.00 31.00
8 33 21 103 74 91 ~ ~ 88 49 52 59 72 84 73 62 17 91 64 69 93 82 94 63 57 64 51 75 64 40 46 64 65.34 103.00 29.00
9 11 142 23 112 19 109 42 33 37 64 89 79 58 51 74 116 164 139 107 42 88 84 105 95 117 139 97 131 91 86 ~ 84.80 164.00 30.00
10 53 54 54 53 94 109 99 56 54 33 38 41 47 70 61 101 129 27 199 84 107 166 103 85 56 49 115 153 165 130 106 86.81 199.00 31.00
11 67 101 114 88 95 145 165 29 240 129 123 100 91 133 71 81 76 64 60 50 59 17 201 46 33 60 62 84 60 66 ~ 90.33 240.00 30.00
12 89 88 97 124 84 56 50 48 68 68 47 44 28 20 42 59 27 5.00 4.00 7.00 25 20 21 10 13 8.00 29 20 19 19 51 41.61 124.00 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. 14 36 26 4 3 5 0 0 88 74 38 12 8 5 0 0 297
REL. 15.9 40.9 29.5 4.5 3.4 5.6 0.0 0.0 100.0 84.1 43.2 13.6 9.1 5.7 0.0 0.020.1
ID 15 40 29 9 17 142 0 0 254
ABS. 6 48 32 5 0 0 0 0 91 85 37 5 0 0 0 0 134
REL. 6.5 52.7 35.1 5.4 0.0 0.0 0.0 0.0 100.0 93.4 40.7 5.5 0.0 0.0 0.0 0.0 9.4
ID 6 52 35 10 0 0 0 0 105
ABS. 14 37 27 11 1 0 0 0 90 76 39 12 1 0 0 0 164
REL. 15.5 41.1 30.0 12.2 1.1 0.0 0.0 0.0100.0 84.4 43.3 13.3 1.1 0.0 0.0 0.0 17.9
ID 15 41 30 24 5 0 0 0 116
ABS. 21 29 20 15 5 2 0 0 92 71 42 22 7 2 0 0 240
REL 22.8 31.5 21.7 16.3 5.4 2.1 0.0 0.0100.0 77.2 45.7 23.9 7.6 2.2 0.0 0.0 9.11
ID 22 31 21 32 27 54 0 0 190
Year
ABS. 55 150 105 35 9 7 0 0 361 306 156 51 16 7 0 0 297
REL. 15.2 41.5 29.0 9.6 2.4 1.9 0.0 0.0100.0 84.8 43.2 14.1 4.4 1.9 0.0 0.0 20.1
ID 15 41 29 19 12 48 0 0 166

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