Detailed overview of ambient air pollution valuis from individual stations

537 - Most-OHS

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 537 - Most-OHS
Code:CZMOHSMOH
Institution:Public Health Service
Region:Severocesky
District:Most
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 74 101 46 52 43 46 63 55 52 69 88 40 68 92 117 154 97 131 111 87 91 37 38 83 89 23 46 42 24 16 14 67.39 154.00 31.00
2 15 30 60 45 18 8.00 27 57 44 29 21 32 15 14 17 17 32 67 14 14 19 13 40 92 15 12 16 24 ~ ~ ~ 28.82 92.00 28.00
3 28 23 14 24 63 45 36 36 38 61 60 69 33 31 23 15 31 29 33 24 47 15 19 29 43 31 25 15 10 11 15 31.48 69.00 31.00
4 31 45 43 15 16 12 15 40 46 47 16 13 17 14 13 17 25 22 16 14 36 34 20 25 23 28 21 22 16 20 ~ 24.07 47.00 30.00
5 23 19 22 25 22 14 17 24 12 11 21 23 25 33 27 27 19 16 14 30 13 16 18 13 19 28 17 13 20 15 13 19.65 33.00 31.00
6 19 25 27 28 40 21 23 15 15 24 27 39 21 18 10 18 24 19 20 18 19 ~ 14 11 21 29 31 24 ~ 15 ~ 21.96 40.00 28.00
7 17 17 20 23 17 10 12 15 15 27 38 21 19 26 20 17 24 17 14 9.00 13 11 28 24 16 7.00 8.00 9.00 21 15 20 17.74 38.00 31.00
8 8.00 9.00 23 36 21 16 19 18 18 16 20 18 36 21 12 12 14 34 27 25 23 29 31 19 30 23 23 28 8.00 8.00 15 20.65 36.00 31.00
9 40 29 38 49 31 16 10 8.00 9.00 9.00 23 26 10 9.00 28 40 32 48 28 24 18 58 45 23 46 55 13 31 49 24 ~ 28.97 58.00 30.00
10 22 13 10 13 15 50 67 27 16 15 12 13 11 17 22 27 63 53 82 68 36 44 37 19 13 13 26 40 69 97 49 34.16 97.00 31.00
11 32 49 26 27 49 74 64 69 45 42 65 47 31 29 44 37 31 32 24 48 71 70 57 75 47 68 61 58 68 50 ~ 49.67 75.00 30.00
12 39 40 50 30 21 26 31 44 61 37 23 22 23 22 27 40 27 27 39 43 40 46 54 30 22 22 22 24 30 35 51 33.81 61.00 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. 46 26 13 4 1 0 0 0 90 44 18 5 1 0 0 0 154
REL. 51.1 28.8 14.4 4.4 1.1 0.0 0.0 0.0 100.0 48.9 20.0 5.6 1.1 0.0 0.0 0.016.1
ID 51 28 14 8 5 0 0 0 108
ABS. 80 9 0 0 0 0 0 0 89 9 0 0 0 0 0 0 47
REL. 89.8 10.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 10.1 0.0 0.0 0.0 0.0 0.0 0.0 10.4
ID 89 10 0 0 0 0 0 0 100
ABS. 78 14 0 0 0 0 0 0 92 14 0 0 0 0 0 0 58
REL. 84.7 15.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 15.2 0.0 0.0 0.0 0.0 0.0 0.0 22.9
ID 84 15 0 0 0 0 0 0 100
ABS. 43 37 12 0 0 0 0 0 92 49 12 0 0 0 0 0 97
REL 46.7 40.2 13.0 0.0 0.0 0.0 0.0 0.0100.0 53.3 13.0 0.0 0.0 0.0 0.0 0.030.10
ID 46 40 13 0 0 0 0 0 100
Year
ABS. 247 86 25 4 1 0 0 0 363 116 30 5 1 0 0 0 154
REL. 68.0 23.6 6.8 1.1 0.2 0.0 0.0 0.0100.0 32.0 8.3 1.4 0.3 0.0 0.0 0.0 16.1
ID 68 23 6 2 1 0 0 0 102

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