Omineca Region EPD

Summary of Past Prince George Air Quality Advisories

PM10 Advisories Issued for Prince George (from 1995) (Based on Downtown Monitor)

Start Date
(PST)

End Date
(PST)

Duration
(hours)

Max. 24-hour Rolling
Average (µg/m3)

Duration
(days)

2006

 
Mar. 13
12:00
Mar. 14
09:30
21
63.6
1
Mar. 28
11:00
Mar. 30
09:30
46
75.3
2
Apr. 4
09:30
Apr. 9
10:30
121
87.4
5
Apr. 11
09:30
Apr. 12
08:30
23
70.1
1
May 4
11:00
May 5
09:30
22
64.4
1
May 16
09:00
May 17
08:30
24
71.8
1
Jul. 21
11:00
Jul. 23
09:30
47
55.6
2
Sep. 5
08:30
Sep. 9
09:30
97
52.0
4
Oct. 12
13:30
Oct. 15
11:00
70
77.0
3

Total:

 

20

2005

 
Jan. 25
14:00
Jan. 27
08:30
42
2
Feb. 15
10:00
Feb. 20
10:00
120
5
Feb. 21
08:30
Mar. 1
09:00
192
8
Dec. 16
14:00
Dec. 18
10:30
44
2

Total:

 

17

2004

 
Mar. 23
14:30
Mar. 24
12:00
20
76.6
1
Apr. 2
09:30
Apr. 3
16:30
31
71.3
1
Jun. 23
10:00
Jun. 26
11:00
73
73.1
3
Aug. 13
09:00
Aug. 15
11:00
50
67.2
2
Aug. 17
09:00
Aug. 19
10:00
49
51.9
2

Total:

 

9

2003

 
Jan. 9
09:00
Jan. 11
09:00
33
59.0
2
Feb. 24
15:30
Feb. 25
14:30
20
64.3
1
Mar. 27
14:00
Mar. 28
13:00
23
65.5
1
Jul. 30
10:00
Jul. 31
08:00
22
53.3
1
Oct. 1
14:00
Oct. 6
11:00
99
67.3
5
Nov. 5
11:00
Nov. 10
08:30
121
100.3
5

Total:

 

15

2002

 
Oct. 30
16:30
Nov. 6
09:00
159
81.1
7
Nov. 27
16:00
Dec. 1
16:30
100
69.5
4

Total:

 

11

2001

 
Jan. 26
16:00
Jan. 27
16:00
34
109.6
1
Feb. 6
15:00
Feb. 8
11:00
23
57.3
2
Feb. 21
18:30
Feb. 23
11:00
61
69.8
2
Aug. 10
14:00
Aug. 14
11:00
30
54.6
4
Aug. 16
13:30
Aug. 17
12:00
22
58.8
1

Total:

 

10

2000

 
Jan. 19
14:00
Jan. 21
10:00
24
63.9
2
Feb. 7
16:00
Feb. 8
10:00
18
60.3
1
Feb. 14
15:00
Feb. 15
14:00
16
55.1
1
Apr. 11
08:00
Apr. 12
14:00
46
70.5
1
Oct. 13
08:00
Oct. 14
10:00
28
61.4
1

Total:

 
6

1999

 
Mar. 10
08:00
Mar. 11
08:00
48
64.0
1
Mar. 19
15:00
Mar. 22
16:00
94
85.3
3
Mar. 23
09:00
Mar. 24
11:00
26
97.6
1
Apr. 15
16:00
Apr. 18
11:00
67
69.2
3
Sep. 15
15:00
Sep. 16
11:00
20
56.6
1

Total:

 
9

1998

 
Feb. 27
09:00
Feb. 28
20:00
36
72
1
Mar. 17
03:00
Mar. 21
04:00
94
114
4
Apr. 1
22:00
Apr. 3
07:00
34
70
1
May 1
08:00
May 3
01:00
42
80
1
Jul. 23
07:00
Jul. 23
19:00
13
55
1
Jul. 28
01:00
Jul. 29
18:00
37
69
1
Oct. 22
03:00
Oct. 25
16:00
86
81
3
Total:  
13
1997  
Mar. 14
08:00
Mar. 15
14:00
31
71
1
Apr. 11
03:00
Apr. 12
23:00
45
79
1
May 13
22:00
May 14
22:00
25
67
1
Oct. 20
07:00
Oct. 20
19:00
13
61
1
Nov. 15
21:00
Nov. 16
13:00
17
57
1
Dec. 5
07:00
Dec. 8
16:00
78
78
3
Total:  
8
1996  
Feb. 27
12:00
Mar. 3
19:00
104
108
4
Mar. 27
19:00
Apr. 1
07:00
109
121
5
Sep. 21
13:00
Sep. 24
04:00
64
90
3
Nov. 19
23:00
Nov. 22
14:00
64
86
3
Total:  
15
TOTAL:  
124