Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1437 - Mlada Boleslav
Code:CZMBCMMBO
Institution:Czech Hydrometeorological Institute
Region:Stredocesky
District:Mlada Boleslav
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 28 75 65 60 81 54 47 33 23 43 69 54 28 32 37 26 17 15 18 28 17 24 25 39 126 49 43 50 18 14 21 40.55 126.03 31.00
2 73 60 32 35 69 77 67 16 12 28 60 29 12 42 60 27 33 28 28 18 42 42 66 36 23 39 25 25 29 ~ ~ 39.13 77.35 29.00
3 23 19 24 8.85 11 26 21 15 10 26 18 18 43 29 13 18 20 24 16 23 31 61 94 64 46 25 62 56 23 56 41 31.04 93.71 31.00
4 53 42 34 43 56 25 17 25 22 23 29 26 21 32 17 13 21 32 34 54 70 36 27 20 39 60 43 43 36 39 ~ 34.44 70.30 30.00
5 34 38 36 ~ ~ 18 11 16 29 39 26 16 15 28 39 30 20 24 38 15 17 17 24 40 20 20 14 10 12 9 8.34 22.82 39.68 29.00
6 14 16 24 43 34 39 40 39 36 30 28 45 39 41 29 15 15 21 37 33 41 27 30 18 16 16 19 21 24 26 ~ 28.56 45.33 30.00
7 18 21 24 18 15 18 18 14 13 21 34 21 21 22 15 14 21 24 17 17 19 16 20 31 33 22 33 20 12 23 47 21.30 46.94 31.00
8 41 26 28 21 21 17 33 40 44 32 23 19 33 50 29 34 35 39 23 19 18 27 29 31 23 12 18 29 39 36 31 29.08 50.35 31.00
9 31 11 12 18 28 31 54 62 28 33 43 49 37 30 22 21 22 20 26 26 28 30 19 25 46 63 55 27 24 16 ~ 31.15 63.34 30.00
10 18 57 51 56 72 37 20 25 37 34 36 54 65 32 19 63 50 48 55 39 23 71 56 85 67 41 40 32 36 41 43 45.23 84.73 31.00
11 71 60 41 38 36 38 87 81 163 159 89 31 55 57 71 71 34 63 28 57 59 67 74 70 43 28 37 40 44 ~ ~ 61.83 163.35 29.00
12 ~ ~ ~ ~ 33 22 33 43 38 29 118 242 43 27 19 14 27 80 103 108 37 40 24 18 23 31 33 51 80 48 36 51.90 242.01 27.00

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. 52 30 8 1 0 0 0 0 91 39 9 1 0 0 0 0 126
REL. 57.1 32.9 8.7 1.0 0.0 0.0 0.0 0.0 100.0 42.9 9.9 1.1 0.0 0.0 0.0 0.025.1
ID 57 32 8 2 0 0 0 0 101
ABS. 56 32 1 0 0 0 0 0 89 33 1 0 0 0 0 0 70
REL. 62.9 35.9 1.1 0.0 0.0 0.0 0.0 0.0 100.0 37.1 1.1 0.0 0.0 0.0 0.0 0.0 21.4
ID 62 35 1 0 0 0 0 0 100
ABS. 73 19 0 0 0 0 0 0 92 19 0 0 0 0 0 0 63
REL. 79.3 20.6 0.0 0.0 0.0 0.0 0.0 0.0100.0 20.7 0.0 0.0 0.0 0.0 0.0 0.0 26.9
ID 79 20 0 0 0 0 0 0 100
ABS. 21 46 14 3 2 1 0 0 87 66 20 6 3 1 0 0 242
REL 24.1 52.8 16.0 3.4 2.2 1.1 0.0 0.0100.0 75.9 23.0 6.9 3.4 1.1 0.0 0.012.12
ID 24 52 16 6 11 28 0 0 140
Year
ABS. 202 127 23 4 2 1 0 0 359 157 30 7 3 1 0 0 242
REL. 56.2 35.3 6.4 1.1 0.5 0.2 0.0 0.0100.0 43.7 8.4 1.9 0.8 0.3 0.0 0.012.12
ID 56 35 6 2 2 6 0 0 110

Note:

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