Detailed overview of ambient air pollution valuis from individual stations


Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1437 - *
Code:CZMBCMMBO
Institution:CHMI
Region:Stredocesky
District:Mlada Boleslav
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
2 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
3 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
4 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 35 14 27 57 51 42 32 30 16 14 ~ ~ 21 21 ~ 30.09 57.36 12.00
5 9 15 15 14 26 23 43 17 13 34 26 26 24 16 17 16 13 23 33 26 20 12 16 24 20 38 19 17 16 13 17 20.67 42.70 31.00
6 21 ~ ~ ~ 25 20 22 33 31 18 19 17 12 22 19 19 21 24 18 16 26 19 17 24 25 18 15 19 23 20 ~ 20.81 33.19 27.00
7 22 27 18 12 11 13 19 14 17 25 12 15 14 21 27 16 16 11 19 20 16 25 17 19 12 15 16 18 17 16 20 17.38 27.06 31.00
8 11 12 25 19 20 36 37 26 26 40 36 26 26 32 22 20 33 24 31 30 18 14 16 16 24 32 22 21 14 24 48 25.20 48.19 31.00
9 39 ~ ~ ~ ~ ~ 23 30 23 ~ ~ ~ ~ 17 22 24 27 29 27 26 30 34 52 35 43 44 52 35 42 23 ~ 32.19 52.41 21.00
10 22 24 21 18 30 25 31 51 53 17 20 32 43 63 75 69 23 33 59 44 43 80 51 26 19 43 21 13 22 18 19 35.67 79.84 31.00
11 14 44 36 35 26 32 108 50 56 95 30 87 38 30 33 32 22 42 41 28 37 45 119 161 63 74 74 63 36 51 ~ 53.44 161.50 30.00
12 21 90 38 38 22 13 17 24 130 163 80 44 27 67 228 28 203 196 41 17 34 55 44 15 18 20 22 22 69 50 13 59.69 228.12 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. 0 0 0 0 0 0 0 0 02 0 0 0 0 0 0 0 0
ABS. 63 7 0 0 0 0 0 0 70 7 0 0 0 0 0 0 57
REL. 90.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 20.4
ID 90 10 0 0 0 0 0 0 100
ABS. 69 14 0 0 0 0 0 0 83 14 0 0 0 0 0 0 52
REL. 83.1 16.8 0.0 0.0 0.0 0.0 0.0 0.0100.0 16.9 0.0 0.0 0.0 0.0 0.0 0.0 23.9
ID 83 16 0 0 0 0 0 0 100
ABS. 42 31 11 3 3 2 0 0 92 50 19 8 5 2 0 0 228
REL 45.6 33.6 11.9 3.2 3.2 2.1 0.0 0.0100.0 54.3 20.7 8.7 5.4 2.2 0.0 0.015.12
ID 45 33 11 6 16 54 0 0 168
Year
ABS. 174 52 11 3 3 2 0 0 245 71 19 8 5 2 0 0 228
REL. 71.0 21.2 4.4 1.2 1.2 0.8 0.0 0.0100.0 29.0 7.8 3.3 2.0 0.8 0.0 0.015.12
ID 71 21 4 2 6 20 0 0 125

Note:

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