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Monitoring Total Particulate Matter

We measure the total particulate mass concentration in the air on a routine basis as well as during incidents that may affect ambient air.

Raw 24-Hour Averages Data for Old White Rock Fire Station

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24-hour averages provide an indication of the current air concentrations.

They can be compared to the EPA standards of 35 µg/m3 (PM 2.5) and 150 µg/m3 (PM 10)

Select Start Date
OctoberNovember 2014December
SunMonTueWedThuFriSat
2627282930311
2345678
9101112131415
16171819202122
23242526272829
30123456
Select End Date
OctoberNovember 2014December
SunMonTueWedThuFriSat
2627282930311
2345678
9101112131415
16171819202122
23242526272829
30123456

PM 10 data are not currently available.

PM 2.5: 3.1 µg/m3 on Saturday, November 22, 2014 4:30 AM PM 2.5: 3.1 µg/m3 on Saturday, November 22, 2014 4:00 AM PM 2.5: 3.1 µg/m3 on Saturday, November 22, 2014 3:30 AM PM 2.5: 3.1 µg/m3 on Saturday, November 22, 2014 3:00 AM PM 2.5: 3.2 µg/m3 on Saturday, November 22, 2014 2:30 AM PM 2.5: 3.2 µg/m3 on Saturday, November 22, 2014 2:00 AM PM 2.5: 3.2 µg/m3 on Saturday, November 22, 2014 1:30 AM PM 2.5: 3.2 µg/m3 on Saturday, November 22, 2014 1:00 AM PM 2.5: 3.3 µg/m3 on Saturday, November 22, 2014 12:30 AM PM 2.5: 3.3 µg/m3 on Saturday, November 22, 2014 12:00 AM PM 2.5: 3.3 µg/m3 on Friday, November 21, 2014 11:30 PM PM 2.5: 3.3 µg/m3 on Friday, November 21, 2014 11:00 PM PM 2.5: 3.3 µg/m3 on Friday, November 21, 2014 10:30 PM PM 2.5: 3.3 µg/m3 on Friday, November 21, 2014 10:00 PM PM 2.5: 3.4 µg/m3 on Friday, November 21, 2014 9:30 PM PM 2.5: 3.4 µg/m3 on Friday, November 21, 2014 9:00 PM PM 2.5: 3.4 µg/m3 on Friday, November 21, 2014 8:30 PM PM 2.5: 3.4 µg/m3 on Friday, November 21, 2014 8:00 PM PM 2.5: 3.4 µg/m3 on Friday, November 21, 2014 7:30 PM PM 2.5: 3.4 µg/m3 on Friday, November 21, 2014 7:00 PM PM 2.5: 3.3 µg/m3 on Friday, November 21, 2014 6:30 PM PM 2.5: 3.3 µg/m3 on Friday, November 21, 2014 6:00 PM PM 2.5: 3.2 µg/m3 on Friday, November 21, 2014 5:30 PM PM 2.5: 3.2 µg/m3 on Friday, November 21, 2014 5:00 PM PM 2.5: 3 µg/m3 on Friday, November 21, 2014 4:30 PM PM 2.5: 3 µg/m3 on Friday, November 21, 2014 4:00 PM PM 2.5: 2.9 µg/m3 on Friday, November 21, 2014 3:30 PM PM 2.5: 2.9 µg/m3 on Friday, November 21, 2014 3:00 PM PM 2.5: 2.9 µg/m3 on Friday, November 21, 2014 2:30 PM PM 2.5: 2.9 µg/m3 on Friday, November 21, 2014 2:00 PM PM 2.5: 2.7 µg/m3 on Friday, November 21, 2014 1:30 PM PM 2.5: 2.7 µg/m3 on Friday, November 21, 2014 1:00 PM PM 2.5: 2.5 µg/m3 on Friday, November 21, 2014 12:30 PM PM 2.5: 2.5 µg/m3 on Friday, November 21, 2014 12:00 PM PM 2.5: 2.3 µg/m3 on Friday, November 21, 2014 11:30 AM PM 2.5: 2.3 µg/m3 on Friday, November 21, 2014 11:00 AM PM 2.5: 2.2 µg/m3 on Friday, November 21, 2014 10:30 AM PM 2.5: 2.2 µg/m3 on Friday, November 21, 2014 10:00 AM PM 2.5: 2.1 µg/m3 on Friday, November 21, 2014 9:30 AM PM 2.5: 2.1 µg/m3 on Friday, November 21, 2014 9:00 AM PM 2.5: 2 µg/m3 on Friday, November 21, 2014 8:30 AM PM 2.5: 2 µg/m3 on Friday, November 21, 2014 8:00 AM PM 2.5: 1.9 µg/m3 on Friday, November 21, 2014 7:30 AM PM 2.5: 1.9 µg/m3 on Friday, November 21, 2014 7:00 AM PM 2.5: 1.9 µg/m3 on Friday, November 21, 2014 6:30 AM PM 2.5: 1.9 µg/m3 on Friday, November 21, 2014 6:00 AM PM 2.5: 1.8 µg/m3 on Friday, November 21, 2014 5:30 AM PM 2.5: 1.8 µg/m3 on Friday, November 21, 2014 5:00 AM PM 2.5: 1.7 µg/m3 on Friday, November 21, 2014 4:30 AM PM 2.5: 1.7 µg/m3 on Friday, November 21, 2014 4:00 AM PM 2.5: 1.6 µg/m3 on Friday, November 21, 2014 3:30 AM PM 2.5: 1.6 µg/m3 on Friday, November 21, 2014 3:00 AM PM 2.5: 1.5 µg/m3 on Friday, November 21, 2014 2:30 AM PM 2.5: 1.5 µg/m3 on Friday, November 21, 2014 2:00 AM PM 2.5: 1.4 µg/m3 on Friday, November 21, 2014 1:30 AM PM 2.5: 1.4 µg/m3 on Friday, November 21, 2014 1:00 AM PM 2.5: 1.2 µg/m3 on Friday, November 21, 2014 12:30 AM PM 2.5: 1.2 µg/m3 on Friday, November 21, 2014 12:00 AM PM 2.5: 1.1 µg/m3 on Thursday, November 20, 2014 11:30 PM PM 2.5: 1.1 µg/m3 on Thursday, November 20, 2014 11:00 PM PM 2.5: 1 µg/m3 on Thursday, November 20, 2014 10:30 PM PM 2.5: 1 µg/m3 on Thursday, November 20, 2014 10:00 PM PM 2.5: 0.9 µg/m3 on Thursday, November 20, 2014 9:30 PM PM 2.5: 0.9 µg/m3 on Thursday, November 20, 2014 9:00 PM PM 2.5: 0.8 µg/m3 on Thursday, November 20, 2014 8:30 PM PM 2.5: 0.8 µg/m3 on Thursday, November 20, 2014 8:00 PM PM 2.5: 0.6 µg/m3 on Thursday, November 20, 2014 7:30 PM PM 2.5: 0.6 µg/m3 on Thursday, November 20, 2014 7:00 PM PM 2.5: 0.5 µg/m3 on Thursday, November 20, 2014 6:30 PM PM 2.5: 0.5 µg/m3 on Thursday, November 20, 2014 6:00 PM PM 2.5: 0.4 µg/m3 on Thursday, November 20, 2014 5:30 PM PM 2.5: 0.4 µg/m3 on Thursday, November 20, 2014 5:00 PM PM 2.5: 0.3 µg/m3 on Thursday, November 20, 2014 4:30 PM PM 2.5: 0.3 µg/m3 on Thursday, November 20, 2014 4:00 PM PM 2.5: 0.3 µg/m3 on Thursday, November 20, 2014 3:30 PM PM 2.5: 0.3 µg/m3 on Thursday, November 20, 2014 3:00 PM PM 2.5: 0.2 µg/m3 on Thursday, November 20, 2014 2:30 PM PM 2.5: 0.2 µg/m3 on Thursday, November 20, 2014 2:00 PM PM 2.5: 0.1 µg/m3 on Thursday, November 20, 2014 1:30 PM PM 2.5: 0.1 µg/m3 on Thursday, November 20, 2014 1:00 PM PM 2.5: 0.627291666666667 µg/m3 on Thursday, November 20, 2014 12:30 PM PM 2.5: 0.594166666666667 µg/m3 on Thursday, November 20, 2014 12:00 PM PM 2.5: 0.594166666666667 µg/m3 on Thursday, November 20, 2014 11:30 AM PM 2.5: 0.592083333333333 µg/m3 on Thursday, November 20, 2014 11:00 AM PM 2.5: 0.486041666666667 µg/m3 on Thursday, November 20, 2014 10:30 AM PM 2.5: 0.402916666666667 µg/m3 on Thursday, November 20, 2014 10:00 AM PM 2.5: 0.298958333333333 µg/m3 on Thursday, November 20, 2014 9:30 AM PM 2.5: 0.363541666666667 µg/m3 on Thursday, November 20, 2014 9:00 AM PM 2.5: 0.367708333333333 µg/m3 on Thursday, November 20, 2014 8:30 AM PM 2.5: 0.330416666666667 µg/m3 on Thursday, November 20, 2014 8:00 AM PM 2.5: 0.330416666666667 µg/m3 on Thursday, November 20, 2014 7:30 AM PM 2.5: 0.324375 µg/m3 on Thursday, November 20, 2014 7:00 AM PM 2.5: 0.324375 µg/m3 on Thursday, November 20, 2014 6:30 AM PM 2.5: 0.31625 µg/m3 on Thursday, November 20, 2014 6:00 AM PM 2.5: 0.31625 µg/m3 on Thursday, November 20, 2014 5:30 AM PM 2.5: 0.31625 µg/m3 on Thursday, November 20, 2014 5:00 AM PM 2.5: 0.31625 µg/m3 on Thursday, November 20, 2014 4:30 AM PM 2.5: 0.31625 µg/m3 on Thursday, November 20, 2014 4:00 AM PM 2.5: 0.31625 µg/m3 on Thursday, November 20, 2014 3:30 AM PM 2.5: 0.31625 µg/m3 on Thursday, November 20, 2014 3:00 AM PM 2.5: 0.287291666666667 µg/m3 on Thursday, November 20, 2014 2:30 AM PM 2.5: 0.287291666666667 µg/m3 on Thursday, November 20, 2014 2:00 AM PM 2.5: 0.287291666666667 µg/m3 on Thursday, November 20, 2014 1:30 AM PM 2.5: 0.287291666666667 µg/m3 on Thursday, November 20, 2014 1:00 AM PM 2.5: 0.281041666666667 µg/m3 on Thursday, November 20, 2014 12:30 AM PM 2.5: 0.281041666666667 µg/m3 on Thursday, November 20, 2014 12:00 AM PM 2.5: 0.266666666666667 µg/m3 on Wednesday, November 19, 2014 11:30 PM PM 2.5: 0.272708333333333 µg/m3 on Wednesday, November 19, 2014 11:00 PM PM 2.5: 0.27875 µg/m3 on Wednesday, November 19, 2014 10:30 PM PM 2.5: 0.27875 µg/m3 on Wednesday, November 19, 2014 10:00 PM PM 2.5: 0.284791666666667 µg/m3 on Wednesday, November 19, 2014 9:30 PM PM 2.5: 0.274583333333333 µg/m3 on Wednesday, November 19, 2014 9:00 PM PM 2.5: 0.274583333333333 µg/m3 on Wednesday, November 19, 2014 8:30 PM PM 2.5: 0.274583333333333 µg/m3 on Wednesday, November 19, 2014 8:00 PM PM 2.5: 0.258125 µg/m3 on Wednesday, November 19, 2014 7:30 PM PM 2.5: 0.241458333333333 µg/m3 on Wednesday, November 19, 2014 7:00 PM PM 2.5: 0.204166666666667 µg/m3 on Wednesday, November 19, 2014 6:30 PM PM 2.5: 0.204166666666667 µg/m3 on Wednesday, November 19, 2014 6:00 PM PM 2.5: 0.204166666666667 µg/m3 on Wednesday, November 19, 2014 5:30 PM PM 2.5: 0.204166666666667 µg/m3 on Wednesday, November 19, 2014 5:00 PM PM 2.5: 0.204166666666667 µg/m3 on Wednesday, November 19, 2014 4:30 PM PM 2.5: 0.224791666666667 µg/m3 on Wednesday, November 19, 2014 4:00 PM PM 2.5: 0.255833333333333 µg/m3 on Wednesday, November 19, 2014 3:30 PM PM 2.5: 0.255833333333333 µg/m3 on Wednesday, November 19, 2014 3:00 PM PM 2.5: 0.255833333333333 µg/m3 on Wednesday, November 19, 2014 2:30 PM PM 2.5: 0.257708333333333 µg/m3 on Wednesday, November 19, 2014 2:00 PM PM 2.5: 0.257708333333333 µg/m3 on Wednesday, November 19, 2014 1:30 PM PM 2.5: 0.284583333333333 µg/m3 on Wednesday, November 19, 2014 1:00 PM PM 2.5: 0.284583333333333 µg/m3 on Wednesday, November 19, 2014 12:30 PM PM 2.5: 0.309375 µg/m3 on Wednesday, November 19, 2014 12:00 PM PM 2.5: 0.3175 µg/m3 on Wednesday, November 19, 2014 11:30 AM PM 2.5: 0.325833333333333 µg/m3 on Wednesday, November 19, 2014 11:00 AM PM 2.5: 0.331875 µg/m3 on Wednesday, November 19, 2014 10:30 AM PM 2.5: 0.354583333333333 µg/m3 on Wednesday, November 19, 2014 10:00 AM PM 2.5: 0.412708333333333 µg/m3 on Wednesday, November 19, 2014 9:30 AM PM 2.5: 0.448125000000001 µg/m3 on Wednesday, November 19, 2014 9:00 AM PM 2.5: 0.491875000000001 µg/m3 on Wednesday, November 19, 2014 8:30 AM PM 2.5: 0.547916666666668 µg/m3 on Wednesday, November 19, 2014 8:00 AM PM 2.5: 0.587291666666668 µg/m3 on Wednesday, November 19, 2014 7:30 AM PM 2.5: 0.649583333333334 µg/m3 on Wednesday, November 19, 2014 7:00 AM PM 2.5: 0.693125 µg/m3 on Wednesday, November 19, 2014 6:30 AM PM 2.5: 0.705416666666666 µg/m3 on Wednesday, November 19, 2014 6:00 AM PM 2.5: 0.730208333333333 µg/m3 on Wednesday, November 19, 2014 5:30 AM PM 2.5: 0.798749999999999 µg/m3 on Wednesday, November 19, 2014 5:00 AM PM 2.5: 0.873541666666666 µg/m3 on Wednesday, November 19, 2014 4:30 AM PM 2.5: 0.900416666666666 µg/m3 on Wednesday, November 19, 2014 4:00 AM PM 2.5: 0.914791666666666 µg/m3 on Wednesday, November 19, 2014 3:30 AM PM 2.5: 0.939583333333332 µg/m3 on Wednesday, November 19, 2014 3:00 AM PM 2.5: 0.997708333333332 µg/m3 on Wednesday, November 19, 2014 2:30 AM PM 2.5: 1.05166666666667 µg/m3 on Wednesday, November 19, 2014 2:00 AM PM 2.5: 1.07854166666667 µg/m3 on Wednesday, November 19, 2014 1:30 AM PM 2.5: 1.11791666666667 µg/m3 on Wednesday, November 19, 2014 1:00 AM
Date & Time (MDT)PM 2.5 24-hour Average (µg/m3)PM 10 24-hour Average (µg/m3)
11/19/2014 1:00:05 AM 1.12
11/19/2014 1:30:05 AM 1.08
11/19/2014 2:00:05 AM 1.05
11/19/2014 2:30:05 AM 1
11/19/2014 3:00:05 AM 0.94
11/19/2014 3:30:05 AM 0.91
11/19/2014 4:00:05 AM 0.9
11/19/2014 4:30:05 AM 0.87
11/19/2014 5:00:05 AM 0.8
11/19/2014 5:30:05 AM 0.73
11/19/2014 6:00:05 AM 0.71
11/19/2014 6:30:05 AM 0.69
11/19/2014 7:00:05 AM 0.65
11/19/2014 7:30:05 AM 0.59
11/19/2014 8:00:05 AM 0.55
11/19/2014 8:30:05 AM 0.49
11/19/2014 9:00:05 AM 0.45
11/19/2014 9:30:05 AM 0.41
11/19/2014 10:00:05 AM 0.35
11/19/2014 10:30:05 AM 0.33
11/19/2014 11:00:05 AM 0.33
11/19/2014 11:30:05 AM 0.32
11/19/2014 12:00:05 PM 0.31
11/19/2014 12:30:05 PM 0.28
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This system operates on Daylight Saving Time (MDT) on a year-round basis.

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