Year
1st
Quarter
2nd
Quarter
3rd
Quarter
4th
Quarter
Annual
Mean
Spatial
Mean
1999
9.67
6.11
9.8
14.17
9.94
9.94
2000
7.47
5.45
7.81
14.73
8.87
8.87
2001
11.68
8.76
10.96
9.87
10.32
10.32
2002
10.36
6.69
9.14
10.46
9.16
9.16
2003
8.24
5.94
6.67
8.72
7.39
7.39
1999­
2001
Mean
9.71
9.71
2000­
2002
Mean
9.45
9.45
2001­
2003
Mean
8.96
8.96
Year
Rank
(
98th
Percentile)
Value
(
µ
g/
m3)

1999
115
32.76
2000
119
32.37
2001
119
41.84
2002
119
25.88
2003
119
19.46
Annual
PM2.5
Mean
Values
(
µ
g/
m3)

Reno
Site
(
AIRS
#
32­
031­
0016)

Ranked
24­
hour
Average
PM2.5
Monitoring
Data
for
1999
­
2003
