Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NO-nitrogen monoxide
Station: 775 - Pha5-Mlynarka
Code:CZ05CMMLY
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 5
IHd: 150
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 67 26 4.40 3.51 6.11 8.11 19 6.54 9 105 109 46 35 72 145 36 9 90 28 21 31 30 33 20 36 221 159 35 57 20 37 49.19 220.65 31.00
2 40 44 19 177 220 124 39 25 38 103 43 10 15 7.28 7.88 8.81 35 82 66 125 89 43 65 25 71 53 18 5.34 ~ ~ ~ 57.04 219.50 28.00
3 8.27 10 7.87 7.31 6.82 7.55 4.35 6.80 20 53 42 28 14 12 17 31 29 19 18 17 13 18 25 25 76 88 23 55 58 78 107 29.80 106.62 31.00
4 64 25 34 12 31 35 20 28 62 29 23 7.90 38 16 ~ ~ ~ ~ ~ 64 47 54 42 21 26 16 13 18 19 14 ~ 30.35 64.30 25.00
5 13 6.57 17 21 21 10 38 20 12 28 41 39 22 20 20 10 17 33 34 30 38 21 18 14 23 28 36 25 15 10 24 22.60 41.22 31.00
6 26 29 29 22 19 11 8.71 38 35 14 23 22 17 31 20 9 22 18 16 15 23 18 12 22 31 16 10 5.68 19 12 ~ 19.70 38.00 30.00
7 17 30 18 8.25 5.77 6.60 23 19 17 15 5.39 7.53 8.64 16 17 16 9 4.21 31 35 13 24 15 ~ ~ 14 10 12 13 13 19 15.24 35.19 29.00
8 11 10 33 20 32 41 20 22 21 42 41 29 31 33 19 19 44 27 30 32 7.49 4.66 7.25 11 17 25 23 15 11 17 45 23.86 44.52 31.00
9 71 42 19 21 6.20 27 55 39 19 16 29 7.98 24 8.33 11 14 15 29 35 46 54 72 70 88 63 49 76 44 75 32 ~ 38.49 88.08 30.00
10 23 26 18 14 24 22 42 52 51 6.49 8.26 14 35 18 43 109 29 32 74 26 28 29 27 22 5.36 22 11 6.43 7.91 7.94 6.88 27.08 108.90 31.00
11 5.20 26 15 15 16 26 94 80 71 49 22 74 44 19 24 48 24 22 39 28 18 65 111 121 34 40 81 119 28 37 ~ 46.51 120.89 30.00
12 23 42 56 26 6.92 6.43 15 18 101 113 101 128 4.80 24 98 17 118 215 6.03 18 21 33 94 27 6.77 5.11 19 51 81 37 13 49.25 215.44 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- 50 51- 100 101- 150 151- 225 226- 300 301- 450 451- 600 over 600 50 100 150 225 300 450 600
ABS. 63 16 7 4 0 0 0 0 90 27 11 4 0 0 0 0 221
REL. 70.0 17.7 7.7 4.4 0.0 0.0 0.0 0.0 100.0 30.0 12.2 4.4 0.0 0.0 0.0 0.026.1
ID 70 17 7 8 0 0 0 0 104
ABS. 82 4 0 0 0 0 0 0 86 4 0 0 0 0 0 0 64
REL. 95.3 4.6 0.0 0.0 0.0 0.0 0.0 0.0 100.0 4.7 0.0 0.0 0.0 0.0 0.0 0.0 20.4
ID 95 4 0 0 0 0 0 0 100
ABS. 81 9 0 0 0 0 0 0 90 9 0 0 0 0 0 0 88
REL. 90.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 24.9
ID 90 10 0 0 0 0 0 0 100
ABS. 68 14 9 1 0 0 0 0 92 24 10 1 0 0 0 0 215
REL 73.9 15.2 9.7 1.0 0.0 0.0 0.0 0.0100.0 26.1 10.9 1.1 0.0 0.0 0.0 0.018.12
ID 73 15 9 2 0 0 0 0 101
Year
ABS. 294 43 16 5 0 0 0 0 358 64 21 5 0 0 0 0 221
REL. 82.1 12.0 4.4 1.3 0.0 0.0 0.0 0.0100.0 17.9 5.9 1.4 0.0 0.0 0.0 0.0 26.1
ID 82 12 4 2 0 0 0 0 101

Note:

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