|
Summer (April to September)
|
Winter (October to March)
|
---|
|
Days*
|
25th P
|
75th P
|
Med
|
Days*
|
25th P
|
75th P
|
Med
|
---|
SO2 (ppb)
|
1830
|
1.0
|
3.0
|
2.0
|
1822
|
2.0
|
4.0
|
3.0
|
NO2 (ppb)
|
1830
|
14.0
|
22.0
|
17.5
|
1822
|
22.5
|
35.5
|
28.5
|
CO (ppm)
|
1830
|
0.5
|
0.7
|
0.6
|
1822
|
0.7
|
1.3
|
0.9
|
O3- daily max (ppb)
|
1830
|
29.5
|
46.0
|
38.0
|
1822
|
16.5
|
31.5
|
24.3
|
PM2.5: g/m3
|
715
|
4.5
|
11.0
|
7.0
|
729
|
5.0
|
11.0
|
7.3
|
PM10: g/m3
|
732
|
15.0
|
32.5
|
22.0
|
819
|
13.0
|
29.0
|
19.0
|
Temperature (°C)
|
1830
|
9.8
|
17.2
|
13.9
|
1822
|
-11.1
|
1.6
|
-3.8
|
Relative humidity (%)
|
1830
|
53.0
|
72.8
|
63.0
|
1822
|
60.9
|
78.0
|
68.8
|
Aeroallergens†
| | | | | | | | |
Grasses (spores/m3)
|
1098
|
0.0
|
5.7
|
1.0
|
1093
|
0.0
|
0.0
|
0.0
|
Trees (spores/m3)
|
1098
|
0.0
|
42.2
|
3.4
|
1093
|
0.0
|
0.0
|
0.0
|
Weeds (grains/m3)
|
1098
|
0.0
|
5.0
|
0.0
|
1093
|
0.0
|
0.0
|
0.0
|
Deuteromycetes (spores/m3)
|
1098
|
350.4
|
2303.7
|
1096.9
|
1093
|
0.0
|
0.0
|
0.0
|
Basidiomycetes(spores/m3)
|
1098
|
19.1
|
442.8
|
124.8
|
1093
|
0.0
|
0.0
|
0.0
|
Asomycetes (spores/m3)
|
1098
|
59.1
|
519.4
|
194.2
|
1093
|
0.0
|
0.0
|
0.0
|
- * Number of days with non-missing values;
- ≸Aeroallergen data available from 1996 to 2002