Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 396 - Hr.Kral.-Sukovy sady
Code:CZHKHSHKS
Institution:Public Health Service
Region:Kralovehradecky
District:Hradec Kralove
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 43 68 148 147 127 90 90 107 70 179 120 84 29 47 105 112 70 110 75 46 30 50 73 76 115 104 50 101 158 111 91 91.13 178.96 31.00
2 71 66 51 96 93 132 114 245 90 49 70 195 128 104 99 185 52 30 73 62 47 43 48 36 60 75 83 52 ~ ~ ~ 87.51 245.46 28.00
3 65 46 69 49 67 71 60 60 95 59 71 35 38 41 53 90 51 55 24 63 80 117 78 54 42 47 60 59 78 58 53 60.90 117.49 31.00
4 82 71 74 53 81 61 46 38 93 49 72 59 56 34 18 30 42 27 51 58 31 30 69 89 53 47 58 30 50 32 ~ 52.78 93.43 30.00
5 30 54 56 56 34 30 49 39 48 54 45 30 33 30 48 26 46 51 31 38 45 49 48 62 50 26 31 38 45 59 63 43.30 62.87 31.00
6 50 14 25 46 57 47 30 49 32 30 55 47 61 65 44 29 29 61 74 63 55 54 29 43 69 56 53 43 68 36 ~ 47.17 74.49 30.00
7 ~ 68 46 53 28 27 26 24 39 37 48 33 28 28 28 43 52 31 51 75 50 49 63 71 75 61 59 37 33 ~ 50 45.22 75.34 29.00
8 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
9 44 49 47 43 94 85 58 25 19 28 45 45 41 40 53 52 87 68 72 48 49 37 56 71 68 59 50 38 36 37 ~ 51.46 93.98 30.00
10 30 70 48 62 65 51 60 73 73 70 59 78 85 82 103 66 61 64 98 59 40 57 65 88 98 94 44 58 69 95 65 68.75 102.53 31.00
11 51 107 72 63 66 84 37 ~ ~ ~ ~ ~ ~ 134 72 122 63 48 102 72 68 33 59 55 129 110 123 117 80 104 ~ 82.11 134.11 24.00
12 52 41 68 106 140 130 91 56 90 91 140 80 63 137 106 86 142 73 52 87 64 62 73 70 18 35 29 28 28 26 ~ 75.51 142.05 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. 4 36 28 17 4 1 0 0 90 86 50 22 5 1 0 0 245
REL. 4.4 40.0 31.1 18.8 4.4 1.1 0.0 0.0 100.0 95.6 55.6 24.4 5.6 1.1 0.0 0.08.2
ID 4 40 31 37 22 27 0 0 163
ABS. 24 56 11 0 0 0 0 0 91 67 11 0 0 0 0 0 93
REL. 26.3 61.5 12.0 0.0 0.0 0.0 0.0 0.0 100.0 73.6 12.1 0.0 0.0 0.0 0.0 0.0 9.4
ID 26 61 12 0 0 0 0 0 100
ABS. 13 35 11 0 0 0 0 0 591 46 11 0 0 0 0 0 94
REL. 22.0 59.3 18.6 0.0 0.0 0.0 0.0 0.0100.0 78.0 18.6 0.0 0.0 0.0 0.0 0.0 5.9
ID 22 59 18 0 0 0 0 0 100
ABS. 6 33 29 17 0 0 0 0 85 79 46 17 0 0 0 0 142
REL 7.0 38.8 34.1 20.0 0.0 0.0 0.0 0.0100.0 92.9 54.1 20.0 0.0 0.0 0.0 0.017.12
ID 7 38 34 40 0 0 0 0 120
Year
ABS. 47 160 79 34 4 1 0 0 325 278 118 39 5 1 0 0 245
REL. 14.4 49.2 24.3 10.4 1.2 0.3 0.0 0.0100.0 85.5 36.3 12.0 1.5 0.3 0.0 0.0 8.2
ID 14 49 24 20 6 7 0 0 122

Note:

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