Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NO-nitrogen monoxide
Station: 576 - Decin-OHS
Code:CZDCHSDPS
Institution:Public Health Service
Region:Ustecky
District:Decin
IHd: 150
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 24 32 90 71 58 136 79 153 186 150 104 100 57 33 106 100 20 67 38 20 7.47 36 19 22 71 113 24 50 122 92 89 73.21 185.78 31.00
2 79 55 17 ~ ~ 169 ~ 140 104 102 103 255 154 152 200 255 80 59 118 74 43 44 100 64 85 195 57 25 ~ ~ ~ 109.11 254.90 25.00
3 140 189 119 91 133 77 ~ 30 128 54 99 ~ ~ 95 167 116 77 77 75 82 78 105 114 86 65 103 95 24 27 117 71 94.08 189.38 28.00
4 62 130 109 92 94 98 43 49 121 74 128 66 85 46 48 70 134 62 79 106 49 55 152 156 85 89 81 52 69 59 ~ 84.70 155.55 30.00
5 43 78 35 88 50 45 118 66 82 93 90 45 36 46 76 43 56 98 39 37 80 72 46 66 80 29 28 145 75 78 76 65.75 144.58 31.00
6 102 37 27 88 127 105 87 110 55 44 127 99 87 96 51 37 50 84 79 89 90 109 37 36 87 76 52 89 67 29 ~ 75.07 127.11 30.00
7 32 105 71 66 25 15 16 41 130 78 97 51 66 47 41 118 ~ 66 51 117 41 38 79 78 50 41 42 25 25 46 39 57.91 129.66 30.00
8 44 31 28 26 27 30 ~ 51 37 44 26 24 88 49 35 25 52 30 29 53 28 34 27 21 16 14 26 21 31 21 51 34.00 88.28 30.00
9 48 39 49 50 61 60 57 33 28 54 51 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 48.00 60.86 11.00

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- 50 51- 100 101- 150 151- 225 226- 300 301- 450 451- 600 over 600 50 100 150 225 300 450 600
ABS. 18 34 21 9 2 0 0 0 84 66 32 11 2 0 0 0 255
REL. 21.4 40.4 25.0 10.7 2.3 0.0 0.0 0.0 100.0 78.6 38.1 13.1 2.4 0.0 0.0 0.016.2
ID 21 40 25 21 11 0 0 0 120
ABS. 25 50 14 2 0 0 0 0 91 66 16 2 0 0 0 0 156
REL. 27.4 54.9 15.3 2.1 0.0 0.0 0.0 0.0 100.0 72.5 17.6 2.2 0.0 0.0 0.0 0.0 24.4
ID 27 54 15 4 0 0 0 0 102
ABS. 47 20 4 0 0 0 0 0 71 24 4 0 0 0 0 0 130
REL. 66.1 28.1 5.6 0.0 0.0 0.0 0.0 0.0100.0 33.8 5.6 0.0 0.0 0.0 0.0 0.0 9.7
ID 66 28 5 0 0 0 0 0 100
ABS. 0 0 0 0 0 0 0 0 02 0 0 0 0 0 0 0 0
Year
ABS. 90 104 39 11 2 0 0 0 246 156 52 13 2 0 0 0 255
REL. 36.5 42.2 15.8 4.4 0.8 0.0 0.0 0.0100.0 63.4 21.1 5.3 0.8 0.0 0.0 0.0 16.2
ID 36 42 15 8 4 0 0 0 107

Note:

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