Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:NO2-nitrogen dioxide
Station: 927 - Mezibori
Code:CZMOHSMEZ
Institution:Public Health Service
Region:Severocesky
District:Most
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 32 55 61 71 65 100 57 57 46 31 46 52 69 54 46 85 92 116 102 98 116 100 92 100 93 44 55 68 32 28 55 68.32 116.00 31.00
2 90 54 64 56 23 21 34 38 90 88 72 36 28 32 100 59 28 37 90 66 46 32 31 35 35 103 113 63 ~ ~ ~ 55.86 113.00 28.00
3 64 64 54 84 50 50 45 51 73 85 42 87 87 91 39 36 69 70 63 31 36 47 38 56 84 100 58 38 34 58 64 59.61 100.00 31.00
4 54 58 51 40 33 57 35 29 39 35 29 41 36 28 49 37 21 25 36 56 80 57 57 44 33 50 33 36 37 56 ~ 42.40 80.00 30.00
5 46 31 57 28 29 28 42 51 38 62 31 35 27 34 22 21 39 31 28 55 37 25 24 51 45 38 52 57 41 44 40 38.35 62.00 31.00
6 43 64 27 25 28 22 ~ ~ ~ ~ 29 29 28 29 31 32 36 24 24 30 25 22 33 54 41 47 36 38 45 46 ~ 34.15 64.00 26.00
7 33 38 42 44 39 30 28 34 25 22 26 36 53 32 28 30 37 52 58 58 39 34 29 24 36 37 30 28 28 35 32 35.39 58.00 31.00
8 31 42 50 54 73 39 55 38 47 48 39 35 36 46 25 30 31 49 34 34 25 22 60 58 64 71 69 34 27 49 49 44.00 73.00 31.00
9 26 28 51 50 30 49 51 44 64 68 58 58 79 95 102 77 78 62 38 35 51 63 61 65 77 46 54 64 51 44 ~ 57.30 102.00 30.00
10 36 52 62 50 39 38 40 60 30 21 36 47 58 43 50 40 34 57 52 47 42 41 31 36 50 31 23 36 32 19 3.00 39.87 62.00 31.00
11 2.00 ~ ~ ~ ~ ~ ~ ~ ~ 15 23 32 24 8.00 15 18 21 14 14 17 14 15 19 25 24 27 24 34 20 22 ~ 19.41 34.00 22.00
12 14 8.00 14 11 7.00 15 16 11 16 16 12 7.00 9.00 13 12 13 19 11 9.00 10 13 23 27 20 20 16 15 15 12 10 17 13.90 27.00 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. 12 46 27 5 0 0 0 0 90 78 32 5 0 0 0 0 116
REL. 13.3 51.1 30.0 5.5 0.0 0.0 0.0 0.0 100.0 86.7 35.6 5.6 0.0 0.0 0.0 0.018.1
ID 13 51 30 11 0 0 0 0 105
ABS. 36 50 1 0 0 0 0 0 87 51 1 0 0 0 0 0 80
REL. 41.3 57.4 1.1 0.0 0.0 0.0 0.0 0.0 100.0 58.6 1.1 0.0 0.0 0.0 0.0 0.0 21.4
ID 41 57 1 0 0 0 0 0 100
ABS. 25 57 9 1 0 0 0 0 92 67 10 1 0 0 0 0 102
REL. 27.1 61.9 9.7 1.0 0.0 0.0 0.0 0.0100.0 72.8 10.9 1.1 0.0 0.0 0.0 0.0 15.9
ID 27 61 9 2 0 0 0 0 101
ABS. 60 24 0 0 0 0 0 0 84 24 0 0 0 0 0 0 62
REL 71.4 28.5 0.0 0.0 0.0 0.0 0.0 0.0100.0 28.6 0.0 0.0 0.0 0.0 0.0 0.0 3.10
ID 71 28 0 0 0 0 0 0 100
Year
ABS. 133 177 37 6 0 0 0 0 353 220 43 6 0 0 0 0 116
REL. 37.6 50.1 10.4 1.6 0.0 0.0 0.0 0.0100.0 62.3 12.2 1.7 0.0 0.0 0.0 0.0 18.1
ID 37 50 10 3 0 0 0 0 101

Note:

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